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See detailEuroEcho-Imaging 2013: highlights.
Lancellotti, Patrizio ULg; Magne, Julien ULg; Cosyns, Bernard et al

in European Heart Journal - Cardiovascular Imaging (2014), 15(5), 483-488

The annual meeting of the European Association of Echocardiography (EuroEcho-Imaging) was held in Istanbul, Turkey. In the present paper, we present a summary of the 'Highlights' session.

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See detailPrésentation
Caeymaex, Florence ULg; Cormann, Grégory ULg

in Etudes Sartriennes (2014), 17

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See detailA bittersweet symphony.
Daly, Adrian ULg; Beckers, Albert ULg

in Endocrine-related cancer (2014)

This issue sees the publication of work expanding the range of how genetic dysregulation of SDHx genes can cause cancer syndromes with a prominent endocrine component, in this case Carney triad, which is ... [more ▼]

This issue sees the publication of work expanding the range of how genetic dysregulation of SDHx genes can cause cancer syndromes with a prominent endocrine component, in this case Carney triad, which is characterized by gastrointestinal stromal tumors (GIST), paraganglioma and pulmonary chondromas. [less ▲]

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See detailQUELLE EST LA PLACE DE L’HUMAIN AU SEIN DES RECOMMANDATIONS, DES CONCERTATIONS ONCOLOGIQUES
BARTHELEMY, Nicole ULg; BOGA, Deniz ULg; PRINCEN, Fabienne ULg et al

in Revue Médicale de Liège (2014), 69(Supp 1), 9-12

Le patient atteint de cancer bénéficie à l’heure actuelle d’une médecine très technique, de plus en plus ciblée et individualisée. Et l’Homme dans tout cela ? Divers outils ont été développés afin d’aider ... [more ▼]

Le patient atteint de cancer bénéficie à l’heure actuelle d’une médecine très technique, de plus en plus ciblée et individualisée. Et l’Homme dans tout cela ? Divers outils ont été développés afin d’aider les médecins et l’ensemble des soignants à concilier la médecine contemporaine et les droits fondamentaux du patient. Parmi ceux-ci, on trouve les Concertations Oncologiques Multidisciplinaires (COM) ainsi que les recommandations de traitement publiées par les socié - tés scientifiques nationales ou internationales. La prise en charge des patients doit être interdisciplinaire et basée sur une médecine factuelle. Ce processus de prise de décisions parta - gée doit, au final, être en accord avec les souhaits du patient. Cette approche doit lui permettre de conserver son autonomie et d’être l’acteur principal dans les prises de décision. [less ▲]

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See detailEffects of two PBDE congeners on the moulting enzymes of the freshwater amphipod Gammarus pulex
Gismondi, Eric ULg; Thomé, Jean-Pierre ULg

in Environmental Pollution (2014), 191

Polybrominated diphenyl ethers (PBDEs) are abundant in aquatic environment. However, only few studies have investigated their impacts on freshwater invertebrates. This work aimed to study the effects of ... [more ▼]

Polybrominated diphenyl ethers (PBDEs) are abundant in aquatic environment. However, only few studies have investigated their impacts on freshwater invertebrates. This work aimed to study the effects of BDE-47 and BDE-99 congeners on the chitobiase and chitinolytic enzymes activities of the freshwater amphipod Gammarus pulex, according to gender, PBDE concentration and time of exposure. In addition, the bioaccumulation of BDE-47 and BDE-99 were measured. Results revealed that females have bioaccumulated more PBDE than males, and BDE-99 was more accumulated than BDE-47. PBDE exposures for 96hrs have caused chitobiase and chitinolytic enzymes inhibition. This study not only indicate the importance of taking into account various confounding factors (gender, congeners, concentration) to understand PBDE effects, but underline also disruptions of molting enzymes activities. These disturbances suggest effects on the gammarid development and reproduction, and consequently effects on the gammarid population, and on a larger scale, a dysfunction of the ecosystem. [less ▲]

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See detailLearning from our European imaging colleagues.
Weissman, Neil J.; Lancellotti, Patrizio ULg

in JACC. Cardiovascular imaging (2014), 7(6), 639-40

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See detailManaging understory light to maintain a mixture of species with different shade tolerance
Ligot, Gauthier ULg; Balandier, Philippe; Courbaud, Benoît et al

in Forest Ecology & Management (2014)

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See detailRecent advances in toxicological testing of the stratum corneum.
Pierard, Gérald ULg; Pierard-Franchimont, Claudine ULg; Hermanns-Le, T. et al

in The British journal of dermatology (2014), 171 Suppl 3

alpha-Hydroxy acid (AHA) formulations are commonly used for skin chemical peelings. The primary target is the stratum corneum (SC). The aim of this study was to assess the effects of various glycolic acid ... [more ▼]

alpha-Hydroxy acid (AHA) formulations are commonly used for skin chemical peelings. The primary target is the stratum corneum (SC). The aim of this study was to assess the effects of various glycolic acid concentrations and commercial phenolic acid formulations on the SC. Quantitative colorimetry of a corneoxenometry bioassay was used. The test procedure involved glycolic acid concentrations ranging from 3% to 70% in alcoholic solution. Exposure times were set for 1 min and 3 min. The bioassay showed consistent reactivity with a dose-effect relationship when using the selected low exposure times. In a similar procedure the aggressiveness of commercially available phenolic acid formulations was identified not using hazardous in vivo testing. Corneoxenometry appears useful for in vitro testing of AHA peeling agents during short exposure times. [less ▲]

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See detailEmission Tunable, Cytocompatible, Near-IR-Emitting Ag2S Quantum Dots by Aqueous Decomposition of DMSA
Hocaoglu, I.; Demir, F.; Birer, O. et al

in Nanoscale (2014)

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See detailContinuous stroke volume estimation from aortic pressure using zero dimensional cardiovascular model: proof of concept study from porcine experiments.
Kamoi, Shun; Pretty, Christopher; Docherty, Paul et al

in PloS one (2014), 9(7), 102476

INTRODUCTION: Accurate, continuous, left ventricular stroke volume (SV) measurements can convey large amounts of information about patient hemodynamic status and response to therapy. However, direct ... [more ▼]

INTRODUCTION: Accurate, continuous, left ventricular stroke volume (SV) measurements can convey large amounts of information about patient hemodynamic status and response to therapy. However, direct measurements are highly invasive in clinical practice, and current procedures for estimating SV require specialized devices and significant approximation. METHOD: This study investigates the accuracy of a three element Windkessel model combined with an aortic pressure waveform to estimate SV. Aortic pressure is separated into two components capturing; 1) resistance and compliance, 2) characteristic impedance. This separation provides model-element relationships enabling SV to be estimated while requiring only one of the three element values to be known or estimated. Beat-to-beat SV estimation was performed using population-representative optimal values for each model element. This method was validated using measured SV data from porcine experiments (N = 3 female Pietrain pigs, 29-37 kg) in which both ventricular volume and aortic pressure waveforms were measured simultaneously. RESULTS: The median difference between measured SV from left ventricle (LV) output and estimated SV was 0.6 ml with a 90% range (5th-95th percentile) -12.4 ml-14.3 ml. During periods when changes in SV were induced, cross correlations in between estimated and measured SV were above R = 0.65 for all cases. CONCLUSION: The method presented demonstrates that the magnitude and trends of SV can be accurately estimated from pressure waveforms alone, without the need for identification of complex physiological metrics where strength of correlations may vary significantly from patient to patient. [less ▲]

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See detailCompte rendu de "Les enfants de Don Quichotte", P. Bruneeaux, Presses Universitaires de Vincennes, 2013
Frère, Bruno ULg

in Revue Française de Science Politique (2014), 64/2

Les enfants de Don Quichotte est un ouvrage qui présente intérêt non négligeable. Il s’agit de l’une des rares études sociologiques (la seule ?) portant sur un mouvement qui pourtant fit grand bruit dans ... [more ▼]

Les enfants de Don Quichotte est un ouvrage qui présente intérêt non négligeable. Il s’agit de l’une des rares études sociologiques (la seule ?) portant sur un mouvement qui pourtant fit grand bruit dans le monde médiatique et politique il y a quelques années : l’occupation des abords du canal Saint Martin par des SDF regroupés sous tentes. C’est délibérément que les auteurs de ce collectif ont choisi l’optique de la sociologie critique bourdieusienne pour enquêter. À ce titre, le parti pris épistémologique est de dévoiler les stratégies souvent inconscientes des protagonistes d’une part et de révéler d’autre part la persistance dans ce mouvement citoyen d’une forme de domination économique, culturelle et sociale qui maintient les SDF sous la tutelle d’une terrible violence symbolique. Cette violence symbolique est celle-là même qui, dans la théorie de Pierre Bourdieu, conduit les dominés à voir leur parole systématiquement censurée par les dominants. Cela jusque dans les dispositifs que les seconds, bien intentionnés, mettent sur pieds pour secourir les premiers. [less ▲]

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See detailEcosystem services of mixed species forest stands and monocultures: comparing practitioners' and scientists' perceptions with formal scientific knowledge
Carnol, Monique ULg; Baeten, Lander; Branquart, Etienne et al

in Forestry (2014)

Mixed species stands might contribute to important goals of sustainable forest management, such as higher biological diversity, more resistance and resilience to disturbances and higher carbon storage ... [more ▼]

Mixed species stands might contribute to important goals of sustainable forest management, such as higher biological diversity, more resistance and resilience to disturbances and higher carbon storage. Knowledge of stakeholders' perceptions of such ecosystem services in mixed species stands is required for effective policy development. We showed that practitioners' and scientists' perceptions of ecosystem services in mixed species stands in Belgium differed from formal scientific knowledge derived from a synthesis of published studies. The positive perception of supporting, regulating and cultural services in mixed species stands contrasted with less conclusive results from the literature, where positive, negative and neutral effects were reported. Many respondents also signified a lack of information about regulating services. Furthermore, provisioning services were perceived as equal in mixed species stands and monocultures, in contrast to higher productivity demonstrated in mixed species stands in the literature. The regional (Flanders and Wallonia) ecological and socio-economic context influenced both the perception of ecosystem services and of the importance of management objectives. Our results highlighted the need to address the lack of scientific data, to adapt communication to the ecological and socio-economic context, as well as to improve information flow on regulating services and productivity. [less ▲]

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See detailBiological nitrate utilization in south Siberian lakes (Baikal and Hovsgol) during the last glacial period: the influence of climate changes on primary productivity
Watanabe Nara, F.; Watanabe, T.; Kakegawa, T. et al

in Quaternary Science Reviews (2014), 90

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See detailEffect of gamma-hydroxybutyrate on keratinocytes proliferation: a preliminary prospective controlled study in severe burn patients.
ROUSSEAU, Anne-Françoise ULg; BARGUES, Laurent; LE BEVER, Hervé et al

in International Journal of Critical Illness and Injury Science (2014), 4(2), 108-113

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See detailL’evidence-based practice à portée des orthophonistes : intérêt des recommandations pour la pratique clinique
Maillart, Christelle ULg; Durieux, Nancy ULg

in Rééducation Orthophonique (2014), 257

La démarche evidence-based practice (EBP) littéralement « pratique basée sur des preuves », a pour objectif d’aider le clinicien à optimiser ses choix thérapeutiques en s’appuyant sur des données ... [more ▼]

La démarche evidence-based practice (EBP) littéralement « pratique basée sur des preuves », a pour objectif d’aider le clinicien à optimiser ses choix thérapeutiques en s’appuyant sur des données objectives issues de la recherche tout en tenant compte de la situation clinique. Néanmoins, la méthodologie complète de récolte et d’analyse des données est complexe et chronophage, ce qui est un frein réel pour son application en clinique. Pour remédier à cela, des synthèses scientifiquement motivées, appelées des recommandations de pratique clinique (RPC) ou guidelines, se développent et jouent alors un rôle essentiel pour l’actualisation des connaissances des professionnels. Cet article s’intéresse particulièrement aux recommandations pour la pratique clinique et au rôle qu’elles peuvent jouer dans la sensibilisation des cliniciens au recours à une démarche EBP. [less ▲]

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See detailThe anagenetic world of spore-producing land plants.
Patino Llorente, Jairo; Carine, M.A.; Fernández-Palacios, J.M. et al

in New Phytologist (2014), 201

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See detailTravail sur Soi et justice réparatrice en prison: comptes rendus d'une mise en pratiques
Dubois, Christophe ULg; Vrancken, Didier ULg

in Sociologie et Sociétés (2014), 45(1), 249-273

Alors même que la prison se caractérise par des problèmes récurrents de surpopulation et d’indigence, une ambitieuse politique pénitentiaire, initiée en Belgique en l’an 2000, visait à orienter la culture ... [more ▼]

Alors même que la prison se caractérise par des problèmes récurrents de surpopulation et d’indigence, une ambitieuse politique pénitentiaire, initiée en Belgique en l’an 2000, visait à orienter la culture carcérale vers la « justice réparatrice ». Que dire, aujourd’hui, de cette tentative d’introduction en prison des notions de victime, de restauration de la relation perturbée, de responsabilisation et de sensibilisation ? La présente contribution propose d’abord un aperçu descriptif et illustratif de cette politique pénitentiaire, à travers deux comptes rendus de situations auxquelles elle a donné naissance. Ensuite, elle souligne le caractère innovant ainsi que les limites de cette politique de travail sur Soi qui, tissant autour du détenu un réseau d’intervenants multiples et de dispositifs participatifs, mobilise ses capacités réflexives et créatrices. [less ▲]

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See detailMyocardial dynamic contrast-enhanced MR: vascular diseases and beyond
NCHIMI LONGANG, Alain ULg; DJEKIC, Julien; RASKINET, Bruno et al

in JBR-BTR : Journal Belge de Radiologie - Belgisch Tijdschrift voor Radiologie (2014), 97

Contrast-enhanced cardiac magnetic resonance enables the evaluation of both myocardial perfusion and its composition. This paper reviews and discusses the conditions that cause abnormal findings on ... [more ▼]

Contrast-enhanced cardiac magnetic resonance enables the evaluation of both myocardial perfusion and its composition. This paper reviews and discusses the conditions that cause abnormal findings on contrast-enhanced myocardial magnetic resonance. Their knowledge helps in most cases to avoid inappropriate referrals to invasive imaging in patients suspected of myocardial vascular disease, undergoing contrast-enhanced cardiac magnetic resonance. [less ▲]

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See detailDiet analysis of Leopoldamys neilli, a cave-dwelling rodent in Southeast Asia, using Next-Generation Sequencing from feces
Latinne, Alice ULg; Galan, Maxime; Waengsothorn, Surachit et al

in Journal of Cave and Karst Studies (2014), 76(2), 139-145

Leopoldamys neilli is a Murinae rodent endemic to limestone karst of Thailand and the Lao PDR, but its ecology and the reasons of its endemism to karst are still totally unknown. The aim of this pilot ... [more ▼]

Leopoldamys neilli is a Murinae rodent endemic to limestone karst of Thailand and the Lao PDR, but its ecology and the reasons of its endemism to karst are still totally unknown. The aim of this pilot study was to examine the plant composition of the diet of L. neilli at the level of order and family using DNA for molecular identification and to compare it with two other forest-dwelling Leopoldamys species, L. herberti and L. sabanus. A 202bp fragment of the rbcL gene was amplified and sequenced for twenty-three fecal samples of the three species using 454 pyrosequencing. We successfully identified a total of seventeen orders and twenty-one plant families, corresponding to thirty-three putative species, in the feces of these three Leopoldamys species. Solanaceae were the most common plants in the diet of L.neilli regardless of the region and sampling season, and they were also present in feces of both L. herberti and L. sabanus. The Araceae, Fabaceae, and Apocynaceae families were also identified in feces of L. neilli collected in various regions of Thailand and at different seasons. Plants of the Oleaceae family are consumed by both L. herberti and L. sabanus but were not found in the diet of L. neilli. Further improvements of the study, such as the use of additional genes, the creation of a reference collection, the microhistological examination of plant fragments to determine which parts of the plant are consumed, and the analysis of the animal diet of Leopoldamys are suggested to enhance the quality and accuracy of the results obtained. [less ▲]

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See detailCardiac concerns associated with strontium ranelate.
Reginster, Jean-Yves ULg

in Expert opinion on drug safety (2014), 13(9), 1-5

Introduction: Strontium ranelate is proven to reduce vertebral and non-vertebral fracture risk in osteoporosis. Concerns about cardiac safety have led to a new contraindication to strontium ranelate in ... [more ▼]

Introduction: Strontium ranelate is proven to reduce vertebral and non-vertebral fracture risk in osteoporosis. Concerns about cardiac safety have led to a new contraindication to strontium ranelate in patients with uncontrolled hypertension and/or current or past history of ischaemic heart disease, peripheral arterial disease and/or cerebrovascular disease. Areas covered: A literature search was performed; data were also collected from the European Medicines Agency website. Randomised controlled trial (RCT) data indicate a higher incidence of non-adjudicated myocardial infarction (MI) with strontium ranelate versus placebo (1.7 vs 1.1%; odds ratio [OR]: 1.6; 95% CI: 1.07 - 2.38; p = 0.020) (Mantel-Haenzel estimate of the OR). There was no increase in cardiovascular mortality. MI risk was mitigated by excluding patients with cardiovascular contraindications (OR: 0.99; 95% CI: 0.48 - 2.04; p = 0.988). Three observational studies performed in the context of real-life medical practice in the UK and Denmark did not report a signal. Expert opinion: The increased risk for cardiac events with strontium ranelate has been detected in RCTs but not in real life. Excluding patients with cardiovascular contraindications appears to be an effective measure for controlling the risk of MI. Strontium ranelate remains a useful therapeutic alternative in patients with severe osteoporosis without cardiovascular contraindications who are unable to take another osteoporosis treatment. [less ▲]

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See detailLeptogenesis with a dynamical seesaw scale
Aristizabal Sierra, Diego ULg; Tortola, Maria; Valle, Jose et al

in Journal of Cosmology and Astroparticle Physics [= JCAP] (2014), 2014

In the simplest type-I seesaw leptogenesis scenario right-handed neutrino annihilation processes are absent. However, in the presence of new interactions these processes are possible and can affect the ... [more ▼]

In the simplest type-I seesaw leptogenesis scenario right-handed neutrino annihilation processes are absent. However, in the presence of new interactions these processes are possible and can affect the resulting B-L asymmetry in an important way. A prominent example is provided by models with spontaneous lepton number violation, where the existence of new dynamical degrees of freedom can play a crucial role. In this context, we provide a model-independent discussion of the effects of right-handed neutrino annihilations. We show that in the weak washout regime, as long as the scattering processes remain slow compared with the Hubble expansion rate throughout the relevant temperature range, the efficiency can be largely enhanced, reaching in some cases maximal values. Moreover, the B-L asymmetry yield turns out to be independent upon initial conditions, in contrast to the ''standard'' case. On the other hand, when the annihilation processes are fast, the right-handed neutrino distribution tends to a thermal one down to low temperatures, implying a drastic suppression of the efficiency which in some cases can render the B-L generation mechanism inoperative. [less ▲]

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See detailA 3-D Semi-Implicit Method for Computing the Current Density in Bulk Superconductors
Kameni, Abelin; Boubekeur, Mohamed; Alloui, Lotfi et al

in IEEE Transactions on Magnetics (2014), 50(2), 377--380

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See detailA superfast muscle in the complex sonic apparatus of Ophidion rochei (Ophidiiformes): histological and physiological approaches
Kever, Loïc ULg; Boyle, Kelly; Dragicevic, Branko et al

in Journal of Experimental Biology (2014), 214

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See detailThree species for the price of one within the moss Homalothecium sericeum s.l.
Hedenäs, Lars; Desamore, Aurélie ULg; Laenen, Benjamin ULg et al

in Taxon (2014), 63

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See detailFrom taboo to commodity: history and current situation of cavy culture in the Democratic Republic of the Congo
Maass; Metre, TK; Tsongo, F et al

in Livestock Research for Rural Development (2014), 26

For the first time, the status of cavy culture in the Democratic Republic of the Congo (DRC) is reviewed with emphasis on Sud-Kivu province. Cavy culture, as discussed in this paper, is the raising ... [more ▼]

For the first time, the status of cavy culture in the Democratic Republic of the Congo (DRC) is reviewed with emphasis on Sud-Kivu province. Cavy culture, as discussed in this paper, is the raising, production and utilization of the domestic cavy (i.e., Guinea pig, Cavia porcellus) for consumption. Many sources were used in the review, but published scientific research literature is extremely scarce. Nevertheless, it can be estimated that more than 2 million cavies are kept in DRC, contributing significantly to nutrition security, especially animal protein, and income generation of some hundreds of thousands of poor rural and urban households. The largest cavy populations are in the Kivu provinces, which is probably partly due to the inclusion of cavies in ‘rehabilitation kits’ of humanitarian NGOs and in the agricultural portfolio of development agencies who seek to address the challenges of widespread hunger and malnutrition in the area. The review covers the history of cavy culture in Sud-Kivu since colonial times based on oral tradition; it describes the current ‘cavy status’ in the country and identifies research and capacity building needs. We suggest that cavy culture in DRC is likely to become more widespread and important due to the activities of a new project on ‘Harnessing husbandry of domestic cavy for alternative and rapid access to food and income in Cameroon and the eastern Democratic Republic of the Congo’. Given the dimension, cavies should be included in livestock census as well as research and development agenda, honoring their role in the livelihoods of less endowed people, especially women. [less ▲]

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See detailL’intérêt de la spectroscopie proche infrarouge en analyse de terre (synthèse bibliographique)
Genot, Valérie ULg; Bock, Laurent ULg; Dardenne, Pierre et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2014), 18(2),

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See detailUse of sapropterin dihydrochloride in maternal phenylketonuria. A European experience of eight cases.
Feillet, Francois; Muntau, Ania C.; DEBRAY, François-Guillaume ULg et al

in Journal of inherited metabolic disease (2014)

Sapropterin dihydrochloride (SD) is the first drug treatment for phenylketonuria (PKU), but due to the lack of data, its use in maternal PKU must be undertaken with caution as noted in the FDA and EMEA ... [more ▼]

Sapropterin dihydrochloride (SD) is the first drug treatment for phenylketonuria (PKU), but due to the lack of data, its use in maternal PKU must be undertaken with caution as noted in the FDA and EMEA labels. We collected data from eight pregnancies in PKU women treated with SD and we analysed the phenotypes of these patients, their tetrahydrobiopterin (BH4) responsiveness, the indications for SD treatment, the efficacy (metabolic control, phenylalanine (Phe) tolerance and offspring outcome) and the safety data. Results showed that in the seven patients known to be responsive to BH4, the use of SD during pregnancy was efficient in terms of metabolic control and Phe tolerance. The indications for giving SD included the failure of the low-Phe diet (n = 3), the fact that some of these women had never experienced the low Phe diet (n = 2), one unexpected pregnancy in a woman currently on SD and one pregnancy where the foetus was known to have PKU. The offspring of these seven pregnancies were all normal babies with normal birth measurements and outcomes. No side effect related to SD was observed in these seven cases. In the eighth case, SD was prescribed as a rescue treatment without previous knowledge of the BH4 responsiveness to a woman who was already 8 weeks pregnant without diet. The birth occurred at 33 weeks of gestational age with Potter syndrome (probably related to the absence of metabolic control during the first trimester) and the baby died in the first hours of life. In conclusion, the data presented here provides the first evidence that treatment with pharmacological doses of SD appears to be efficient and safe in women with PKU during pregnancy. Its use should, however, be restricted to those women previously identified to be clear responders to BH4. [less ▲]

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See detailSpatial patterns and morphology of termite ( Macrotermes falciger ) mounds in the Upper Katanga, D.R. Congo
Mujinjya, Baile Baziraké; Adam, Marielle; Mees, Florias et al

in Catena (2014), 114

This study examines the spatial distribution patterns and morphological characteristics of Macrotermes falciger mounds in the peri-urban zone of Lubumbashi, D.R. Congo. Spatial patterns of mounds were ... [more ▼]

This study examines the spatial distribution patterns and morphological characteristics of Macrotermes falciger mounds in the peri-urban zone of Lubumbashi, D.R. Congo. Spatial patterns of mounds were assessed using high-resolution satellite images for 24 plots of variable size (3 to 27 ha). Soil morphological features were described for five termite-mound profiles of 5 to 9 m depth/height. A mean areal number density of 2.9 ± 0.4 mounds ha−1 is estimated for the degraded miombo woodland of the study area. Spatial statistical analyses document that termite mounds are regularly distributed in all studied plots. The overall mean nearest-neighbour distance between termite mounds is 44.6 ± 0.6 m. The high relative number of inactive mounds in the region, with regular distribution patterns, suggests that current termite mound occurrences are largely relict features.There are no clear indications for an impact of the nature of the parent material on the spatial distribution of the mounds. One aspect of differences in morphology between the studied mounds is that the stone layer occurs at greater depth in topographic low areas than at crest and slope positions. This is interpreted as being mainlyconditionedbyerosion.Mn–Fe oxideconcentrationsoccurringinallstudiedtermite moundprofiles reflect a seasonally high perched water table beneath the mound, which is more pronounced at lower landscape positions. In summary, mound positions in the habitat are consistent with intraspecific competition rather than soil and substrate characteristics as controlling factor, whereas variation in morphological characteristics between termite-mound profiles appears to be a function of the parent material [less ▲]

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See detailMineralogical and Physical Changes during Sintering of Plastic Red Clays from Sanaga Swampy Valley, Cameroon.
Nzeukou, Aubin; Traina, K.; Mjedo, E.R. et al

in International ceramique review (2014), 63(4), 186-192

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See detailLe medicament du mois. Bydureon: premier agoniste des recepteurs du GLP-1 en une injection hebdomadaire (exenatide a liberation prolongee).
Scheen, André ULg

in Revue medicale de Liege (2014), 69(4), 214-9

Bydureon is a new galenic formulation (long-acting release) of exenatide, the first agonist of Glucagon-Like Peptide-1 (GLP-1) receptors having been commercialized for the management of type 2 diabetes ... [more ▼]

Bydureon is a new galenic formulation (long-acting release) of exenatide, the first agonist of Glucagon-Like Peptide-1 (GLP-1) receptors having been commercialized for the management of type 2 diabetes. The microsphere technology permits a prolonged absorption of exenatide from the subcutaneous depot, which allows one injection per week instead of two injections per day with the initial formulation of exenatide (Byetta). The clinical development programme DURATION showed that exenatide 2 mg once weekly more markedly reduces glycated haemoglobin (HbA(1c)), with a similar weight loss but a better digestive tolerance profile (less nausea and vomiting after treatment initiation), compared with the twice daily 10 microg exenatide. When compared to other glucose-lowering agents, once weekly exenatide is more efficacious than sitagliptin, pioglitazone or basal insulin (glargine or detemir), with the advantage of producing weight loss and lowering arterial blood pressure. It does not induce hypoglycaemia and does not necessarily require home blood glucose monitoring, two advantages compared with insulin therapy. Bydureon is currently only reimbursed in Belgium after failure of and in addition to metformin-sulfonylurea combination. [less ▲]

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See detailAccuracy of one-step integration schemes for damped/forced linear structural dynamics
Depouhon, Alexandre ULg; Detournay, Emmanuel; Denoël, Vincent ULg

in International Journal for Numerical Methods in Engineering (2014)

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See detailImpairment of symbiont photosynthesis increases host cell proliferation in the epidermis of the sea anemone Aiptasia pallida
Fransolet, David ULg; Roberty, Stéphane ULg; Plumier, Jean-Christophe ULg

in Marine Biology (2014)

Corals exposed to environmental stresses need to engage appropriate physiological strategies to survive. Here we examined tissue modifications following algal dysfunction. Aiptasia pallida was exposed ... [more ▼]

Corals exposed to environmental stresses need to engage appropriate physiological strategies to survive. Here we examined tissue modifications following algal dysfunction. Aiptasia pallida was exposed during one week to 3-(3,4-dichlorophenyl)-1,1-dimethylurea (DCMU), the herbicide called Diuron. DCMU treatment produced a drastic loss in photosynthetic efficiency and a subsequent diminution of algae density over the following days. Cell proliferation evaluated by measuring the number of cells labeled with a thymidine analogue (EdU) revealed a significant increase in EdU+ cells in the epidermis after one week of DCMU incubation and in the gastrodermis at four weeks. TUNEL histology showed that the extent of cell death was however similar in the epidermis of control and treated specimens. In addition we noticed a significant effect of DCMU treatment on the density of epidermal mucocytes after one, two and four weeks. These results show that inhibition of Symbiodinium photosynthesis in the absence of any known direct effect of DCMU on host cells can induce an increase of epidermal host cell proliferation in both the epidermis and the gastrodermis. While new host gastrodermal cells are likely to promote tissue regeneration in order to recruit new algae, the new host epidermal cells may contribute to tissue adaptation following a decrease in energy income. Some of these new epidermal cells, such as mucocytes, may contribute to an eventual increase of the host heterotrophic ability until restoration of algal autotrophic contribution. [less ▲]

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See detailCalcium, phosphorus, magnesium and vitamin D requirements of the preterm infants
Mimouni, F; Mandel, D; Lubetzky, R et al

in World Review of Nutrition and Dietetics (2014), 110

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See detailLa Cour d'appel de Paris saisit l'Autorité de la Concurrence d'une demande d'avis pour apprécier le caractère prédateur d'un prix nul.
Sibony, Anne-Lise ULg

in Concurrences : Revue des Droits de la Concurrence (2014), 1

GCUE, 16.10.13, Vivendi v. Commission, case T-432/10 The General Court of the European Union states that the Commission enjoys a wide margin of discretion when taking into account decisions and documents ... [more ▼]

GCUE, 16.10.13, Vivendi v. Commission, case T-432/10 The General Court of the European Union states that the Commission enjoys a wide margin of discretion when taking into account decisions and documents established by national regulators. [less ▲]

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See detailNeuroimaging, cognition, light and circadian rhythms
Gaggioni, Giulia ULg; Maquet, Pierre ULg; Schmidt, Christina et al

in Frontiers in Systems Neuroscience [=FNSYS] (2014)

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See detailThe Rank Minrelation Coefficient
Meyer, Patrick ULg

in Quality Technology & Quantitative Management (2014), 11

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See detailReview of: D. Zahavi (ed.), The Oxford Handbook of Contemporary Phenomenology (Oxford, 2012)
Seron, Denis ULg

in Husserl Studies (2014), 30(2), 277-281

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See detailBayesian methods for predicting LAI and soil water content
Mansouri, Majdi ULg; Dumont, Benjamin ULg; Leemans, Vincent ULg et al

in Precision Agriculture (2014), 15(2), 184-201

LAI of winter wheat (Triticum aestivum L.) and soil water content of the topsoil (200 mm) and of the subsoil (500 mm) were considered as state variables of a dynamic soil-crop system. This system was ... [more ▼]

LAI of winter wheat (Triticum aestivum L.) and soil water content of the topsoil (200 mm) and of the subsoil (500 mm) were considered as state variables of a dynamic soil-crop system. This system was assumed to progress according to a Bayesian probabilistic state space model, in which real values of LAI and soil water content were daily introduced in order to correct the model trajectory and reach better future evolution. The chosen crop model was mini STICS which can reduce the computing and execution times while ensuring the robustness of data processing and estimation. To predict simultaneously state variables and model parameters in this non-linear environment, three techniques were used: Extended Kalman Filtering (EKF), Particle Filtering (PF), and Variational Filtering (VF). The significantly improved performance of the VF method when compared to EKF and PF is demonstrated. The variational filter has a low computational complexity and the convergence speed of states and parameters estimation can be adjusted independently. Detailed case studies demonstrated that the root mean square error (RMSE) of the three estimated states (LAI and soil water content of two soil layers) was smaller and that the convergence of all considered parameters was ensured when using VF. Assimilating measurements in a crop model allows accurate prediction of LAI and soil water content at a local scale. As these biophysical properties are key parameters in the crop-plant system characterization, the system has the potential to be used in precision farming to aid farmers and decision makers in developing strategies for site-specific management of inputs, such as fertilizers and water irrigation. [less ▲]

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See detailRossiter-McLaughlin Observations of 55 Cnc e
Lopez-Morales, Mercedes; Triaud, Amaury H. M. J.; Rodler, Florian et al

in Astrophysical Journal Letters (2014), sous presse

We present Rossiter-McLaughlin observations of the transiting super-Earth 55 Cnc e collected during six transit events between January 2012 and November 2013 with HARPS and HARPS-N. We detect no radial ... [more ▼]

We present Rossiter-McLaughlin observations of the transiting super-Earth 55 Cnc e collected during six transit events between January 2012 and November 2013 with HARPS and HARPS-N. We detect no radial-velocity signal above 35 cm/s (3-sigma) and confine the stellar v sin i to 0.2 +/- 0.5 km/s. The star appears to be a very slow rotator, producing a very low amplitude Rossiter-McLaughlin effect. Given such a low amplitude, the Rossiter-McLaughlin effect of 55 Cnc e is undetected in our data, and any spin-orbit angle of the system remains possible. We also performed Doppler tomography and reach a similar conclusion. Our results offer a glimpse of the capacity of future instrumentation to study low amplitude Rossiter-McLaughlin effects produced by super-Earths. [less ▲]

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See detailAphid honeydew: An arrestant and a contact kairomone for Episyrphus balteatus (Diptera: Syrphidae) larvae and adults
Leroy, Pascal; Almohamad, Raki; Attia, Sabrine et al

in European Journal of Entomology (2014), 111(2), 237-242

Predator searching efficiency increases in response to a variety of environmental cues associated with its prey. The sugary excretion of aphids (honeydew) has been found to act as a prey-associated cue ... [more ▼]

Predator searching efficiency increases in response to a variety of environmental cues associated with its prey. The sugary excretion of aphids (honeydew) has been found to act as a prey-associated cue for many aphid natural enemies. In the present study, the honeydew excreted by Acyrthosiphon pisum (Harris) was identified as an arrestant and a contact kairomone for young larvae and adults of a common predatory hoverfly, Episyrphus balteatus (De Geer) (Diptera: Syrphidae). First and second instar larvae increased their foraging behaviour in the honeydew-treated area. When plants were sprayed with crude honeydew, the speed of movement of female E. balteatus was significantly higher than in controls, resulting in a longer period of time spent on treated plants and laying eggs. We conclude that the honeydew excreted by A. pisum induces searching behaviour and acts as and arrestant not only for adults but also for young E. balteatus larvae. [less ▲]

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See detailComment definir une circulation extracorporelle de qualite ?
Blaffart, F.; Defraigne, Jean-Olivier ULg

in Annales francaises d'anesthesie et de reanimation (2014)

Extracorporeal circulation (ECC) has to ensure homeostasis of the patient and to minimize pathophysiological disorders inherent in the technique. However, we cannot dissociate it from the surgery and ... [more ▼]

Extracorporeal circulation (ECC) has to ensure homeostasis of the patient and to minimize pathophysiological disorders inherent in the technique. However, we cannot dissociate it from the surgery and anesthesia knowing that the discipline involves a close partnership with these stakeholders. The purpose of this publication is to review the essential elements that at present can contribute to the quality of the CEC and suggest improvements and developments to be implemented in this area. [less ▲]

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See detailMechanism of the medium-duration afterhyperpolarization in rat serotonergic neurons
Alix, Philippe ULg; Venkatesan, Kumar; Scuvée-Moreau, Jacqueline et al

in European Journal of Neuroscience (2014), 39(2), 186-196

Most serotonergic neurons display a prominent medium-duration afterhyperpolarization (mAHP), which is mediated by small conductance Ca2+-activated K+ (SK) channels. Recent ex vivo and in vivo experiments ... [more ▼]

Most serotonergic neurons display a prominent medium-duration afterhyperpolarization (mAHP), which is mediated by small conductance Ca2+-activated K+ (SK) channels. Recent ex vivo and in vivo experiments have suggested that SK channel blockade increases the firing rate and/or bursting in these neurons. The purpose of this study was therefore to characterize the source of Ca2+ which activates the mAHP channels in serotonergic neurons. In voltage clamp experiments, an outward current was recorded at -60 mV after a depolarizing pulse to + 100 mV. A supra-maximal concentration of the SK channel blockers apamin or (-)- bicuculline methiodide blocked this outward current. This current was also sensitive to the broad Ca2+ channel blocker Co2+ and was partially blocked by both ω-conotoxin and mibefradil, which are blockers of N-type and T-type Ca2+ channels, respectively. Neither blockers of other voltage-gated Ca2+ channels nor DBHQ, an inhibitor of Ca2+-induced Ca2+ release, had any effect on the SK current. [less ▲]

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See detailD'un point de vue intentionnel. Aspects et enjeux de la philosophie de Roderick Chisholm
Boccaccini, Federico ULg

in Bulletin d'Analyse Phénoménologique (2014)

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See detailMesophilic biohydrogen production by Clostridium butyricum CWBI1009 in trickling biofilter reactor
Puhulwella, Rathnasiri G.; Beckers, Laurent; Delvigne, Frank ULg et al

in International Journal of Hydrogen Energy (2014), (0),

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See detailIndian Institutions in the Early 1980s: The Pre-history of the Great Transformation
Maiorano, Diego ULg

in Modern Asian Studies (2014)

In 1989 India’s political system underwent a process of profound change which affected the entire institutional setup of the country. Power was radically redistributed, as it began to flow from the ... [more ▼]

In 1989 India’s political system underwent a process of profound change which affected the entire institutional setup of the country. Power was radically redistributed, as it began to flow from the central government to the states, and from the Prime Minister Office to the other institutions of the state. The paper seeks to show how things worked on the eve of such a redrawing of India’s institutional setup, by analysing the sever institutional crisis which occurred during Mrs Gandhi’s final term in office as India’s Prime Minister. In addition, an effort is made to link the working of India’s institutions to the configuration of the party system, thus stressing the importance of political dynamics in the functioning of parliamentary democracies. [less ▲]

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See detailThe self-report Version of the LSAS-CA: Psychometric Properties of the French Version in a non-clinical adolescent sample
Schmits, Emilie ULg; Heeren, Alexandre; Quertemont, Etienne ULg

in Psychologica Belgica (2014), 54(2), 181-198

The Liebowitz Social Anxiety Scale (LSAS) is one of the most popular measures of social anxiety in adults. The LSAS has been adapted for clinical assessment of children and adolescents (LSAS-CA). The ... [more ▼]

The Liebowitz Social Anxiety Scale (LSAS) is one of the most popular measures of social anxiety in adults. The LSAS has been adapted for clinical assessment of children and adolescents (LSAS-CA). The psychometric properties of the self-report version of the LSAS-CA (LSAS-CA-SR) have been investigated in a Spanish population. However, no study to date has adapted and validated this scale in French. The purpose of this study was to develop a French version of the LSAS-CA-SR and to assess its score reliability and structural validity in a French-speaking community sample. The sample was made up of 1,343 teenagers from secondary schools, aged between 14 and 18 years. Confirmatory factor analyses established the structural validity of the French version of the LSAS-CA-SR and good psychometric properties, including reliable internal consistency, were observed. [less ▲]

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See detailMultifactorial Relationship Between 18F-Fluoro-Deoxy-Glucose Positron Emission Tomography Signaling and Biomechanical Properties in Unruptured Aortic Aneurysms
NCHIMI LONGANG, Alain ULg; CHERAMY-BIEN, Jean-Paul ULg; Gasser, T. Christian et al

in Circulation. Cardiovascular imaging (2014), 7

BACKGROUND: -The relationship between biomechanical properties and biological activities in aortic aneurysms was investigated with finite element simulations (FES) and 18F-fluoro-deoxyglucose (18F-FDG ... [more ▼]

BACKGROUND: -The relationship between biomechanical properties and biological activities in aortic aneurysms was investigated with finite element simulations (FES) and 18F-fluoro-deoxyglucose (18F-FDG) positron emission tomography (PET). METHODS AND RESULTS: -The study included 53 patients (45 males) with aortic aneurysms, 47 infrarenal (AAA) and 6 thoracic (TAA), who had at least one 18F-FDG PET/computed tomography. Over a 30-month period, more clinical events occurred in patients with increased 18F-FDG uptake on their last examination than in those without (5/18 (28%) vs. 2/35 (6%); P=0.03). Wall stress and stress/strength index computed by FES and 18F-FDG uptake were evaluating a total of 68 examinations. 25 (38%) examinations demonstrated at least one aneurysm wall area of increased 18F-FDG uptake. The mean number of these areas per examination was 1.6 (18/11) in TAAs vs. 0.25 (14/57) in AAAs, while the mean number of increased uptake areas co-localizing with highest wall stress and stress/strength index areas was 0.55 (6/11) and 0.02 (1/57), respectively. Quantitatively, 18F-FDG PET uptake correlated positively with both wall stress and stress/strength index (P<0.05). 18F-FDG uptake was particularly high in subjects with personal history of angina pectoris and familial aneurysm. CONCLUSIONS: -Increased 18F-FDG PET uptake in aortic aneurysms is strongly related to aneurysm location, wall stress as derived by FES and patient's risk factors such as acquired and inherited susceptibilities. [less ▲]

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See detailPrimary production in a tropical large lake: The role of phytoplankton composition
Darchambeau, François ULg; Sarmento, Hugo; Descy, Jean-Pierre

in Science of the Total Environment (2014), 473-474

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See detailThe impact of lexical frequency on sentence comprehension in children with specific language impairment
Leclercq, Anne-Lise ULg; Majerus, Steve ULg; Jacob, Laura et al

in Research in Developmental Disabilities (2014), 35

Children with SLI generally exhibit poor sentence comprehension skills. We examined the specific impact of grammatical complexity and lexical frequency on comprehension performance, yielding contrasting ... [more ▼]

Children with SLI generally exhibit poor sentence comprehension skills. We examined the specific impact of grammatical complexity and lexical frequency on comprehension performance, yielding contrasting results. The present study sheds new light on sentence comprehension in children with SLI by investigating a linguistic factor which has attracted little research interest: the impact of the lexical frequency of known words on sentence comprehension. We also examined the impact of grammatical complexity and sentence length by independently varying these two factors. Fifteen children with SLI, 15 age- and IQ-matched controls, and 15 controls matched on lexical and grammatical skills, performed sentence comprehension tasks in which three linguistic factors were manipulated: lexical frequency (sentences containing words of either low or high lexical frequency), grammatical complexity (sentence containing either a subject relative clause or an object relative clause) and sentence length (either short or long sentences). Results indicated that children with SLI performed more poorly overall compared to age- and IQmatched children and to lexical and morphosyntactic age-matched children. However, their performance was not more affected by either sentence length or clause type than that of control children. Only lexical frequency affected sentence comprehension to a greater extent in children with SLI relative to the control groups, revealing that SLI children’s sentence comprehension abilities are particularly affected by the presence of lowfrequency but familiar words. [less ▲]

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See detailEvidence-based practice: fondements et réflexions sur l’apport en clinique.
Maillart, Christelle ULg; Durieux, Nancy ULg

in Langage et Pratiques (2014), 53

L’evidence-based practice ou pratique basée sur les preuves est une approche de plus en plus encouragée en logopédie au niveau international. Cet article présente les principaux composants en détaillant ... [more ▼]

L’evidence-based practice ou pratique basée sur les preuves est une approche de plus en plus encouragée en logopédie au niveau international. Cet article présente les principaux composants en détaillant la nature des preuves liées aux trois piliers de l’EBP (preuves externes, preuves internes ou préférences du patient). La démarche de l’EBP est brièvement discutée ainsi que les freins et les bénéfices attendus en clinique. [less ▲]

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See detailThe premature ejaculation ‘disorder ’: Questioning the criterion of one minute of penetration
Kempeneers, Philippe ULg; Desseilles, Martin ULg

in Sexologies : Revue Européenne de Santé Sexuelle = European Journal of Sexual Health (2014), 23

The current trend is to reserve the diagnosis of premature ejaculation (PE) for cases where penetration lasts for about one minute or less. The rationale is that the aetiology is primarily bio ... [more ▼]

The current trend is to reserve the diagnosis of premature ejaculation (PE) for cases where penetration lasts for about one minute or less. The rationale is that the aetiology is primarily bio-constitutional, and that long-term pharmacological treatment is the only viable option. However, the literature contains little scientific evidence to support this argument. In fact, a good number of individuals who suffer from overly rapid ejaculation present with penetration duration exceeding one minute, and even severe forms of PE have responded favourably to psycho-sexological treatment. Moreover, although certain biological variables are known to influence ejaculation latency time, nothing indicates that they play an exclusive role of psychosocial etiological factors in severe PE. Therefore, it would be ‘premature’ to base a PE diagnosis on a maximum penetration duration of one minute, which should instead be considered a severity gradient. Given that desired criteria for penetration duration often exceed biological norms, it would be inappropriate to propose that only the most severe forms of PE have constitutional origins. In any case, the constitution is relatively flexible, and can respond to adaptive learning. An adaptive learning approach would undoubtedly be more difficult to apply in severe cases, but not impossible. The issue of whether to use pharmacological versus psycho-sexological treatment could be side-stepped by moving beyond the single criterion of ejaculation latency. [less ▲]

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See detailThe promise of wearable activity sensors to define patient recovery.
Appelboom, Geoff; Yang, Annie H.; Christophe, Brandon R. et al

in Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia (2014), 21

The recent emergence of mobile health - the use of mobile telecommunication and wireless devices to improve health outcomes, services, and research - has inspired a patient-centric approach to monitor ... [more ▼]

The recent emergence of mobile health - the use of mobile telecommunication and wireless devices to improve health outcomes, services, and research - has inspired a patient-centric approach to monitor health metrics. Sensors embedded in wearable devices are utilized to acquire greater self-knowledge by tracking basic parameters such as blood pressure, heart rate, and body temperature as well as data related to exercise, diet, and psychological state. To that end, recent studies on utilizing wireless fitness activity trackers to monitor and promote functional recovery in patients suggest that collecting up-to-date performance data could help patients regain functional independence and help hospitals determine the appropriate length of stay for a patient. This manuscript examines existing functional assessment scales, discusses the use of activity tracking sensors in evaluating functional independence, and explores the growing application of wireless technology in measuring and promoting functional recovery. [less ▲]

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See detailWhat is a Postcolonial Comic?
Dony, Christophe ULg

in Mixed Zone: Chronique de Littérature Internationale (2014), 7

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See detailContrasting patterns of phytoplankton communities in two coastal ecosystems in relation to environmental factors (Corsica, NW Mediterranean Sea)
Garrido, Marie; Koeck, Barbara; Goffart, Anne ULg et al

in Diversity (2014), 6

Corsica Island is a sub-basin of the Northwestern Mediterranean Sea, with hydrological features typical of both oligotrophic systems and eutrophic coastal zones. Phytoplankton assemblages in two coastal ... [more ▼]

Corsica Island is a sub-basin of the Northwestern Mediterranean Sea, with hydrological features typical of both oligotrophic systems and eutrophic coastal zones. Phytoplankton assemblages in two coastal ecosystems of Corsica (the deep Bay of Calvi and the shallow littoral of Bastia) show contrasting patterns over a one-year cycle. In order to determine what drives these variations, seasonal changes in littoral phytoplankton are considered together with environmental parameters. Our methodology combined a survey of the physico-chemical structure of the subsurface water with a characterization of the phytoplankton community structure. Sampling provided a detailed record of the seasonal changes and successions that occur in these two areas. Results showed that the two sampled stations presented different phytoplankton abundance and distribution patterns, notably during the winter–spring bloom period. Successions in pico-, nano-, and microphytoplankton communities appeared mainly driven by differences in the ability to acquire nutrients, and in community-specific growth rates. Phytoplankton structure and dynamics are discussed in relation to available data on the Northwestern Mediterranean Sea. These results confirm that integrated monitoring of coastal areas is a requisite for gaining a proper understanding of marine ecosystems. [less ▲]

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See detailAtlantic-Pacific seesaw and its role in outgassing CO2 during Heinrich events
Menviel, L.; England, M.H.; Meissner, K.J. et al

in Paleoceanography (2014), 29

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See detailThe appropriate and justified use of medical radiation in cardiovascular imaging: a position document of the ESC Associations of Cardiovascular Imaging, Percutaneous Cardiovascular Interventions and Electrophysiology.
Picano, Eugenio; Vano, Eliseo; Rehani, Madan M. et al

in European heart journal (2014), 35(10), 665-72

The benefits of cardiac imaging are immense, and modern medicine requires the extensive and versatile use of a variety of cardiac imaging techniques. Cardiologists are responsible for a large part of the ... [more ▼]

The benefits of cardiac imaging are immense, and modern medicine requires the extensive and versatile use of a variety of cardiac imaging techniques. Cardiologists are responsible for a large part of the radiation exposures every person gets per year from all medical sources. Therefore, they have a particular responsibility to avoid unjustified and non-optimized use of radiation, but sometimes are imperfectly aware of the radiological dose of the examination they prescribe or practice. This position paper aims to summarize the current knowledge on radiation effective doses (and risks) related to cardiac imaging procedures. We have reviewed the literature on radiation doses, which can range from the equivalent of 1-60 milliSievert (mSv) around a reference dose average of 15 mSv (corresponding to 750 chest X-rays) for a percutaneous coronary intervention, a cardiac radiofrequency ablation, a multidetector coronary angiography, or a myocardial perfusion imaging scintigraphy. We provide a European perspective on the best way to play an active role in implementing into clinical practice the key principle of radiation protection that: 'each patient should get the right imaging exam, at the right time, with the right radiation dose'. [less ▲]

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See detailA propos de l'hémoglobine glycquée: les limites de son interprétation
Sepulchre, E; LUTTERI, Laurence ULg; CAVALIER, Etienne ULg et al

in Revue Médicale de Liège (2014), 69(9), 497-503

Determining the level of glycated haemoglobin, in particular its major fraction called HbA1c, is an attractive tool in the management of diabetic patients. In fact, it provides a global evaluation of the ... [more ▼]

Determining the level of glycated haemoglobin, in particular its major fraction called HbA1c, is an attractive tool in the management of diabetic patients. In fact, it provides a global evaluation of the glycemic control’s level through the past 8-12 weeks. However, this tool must be used with caution. First of all, it does not allow to examine the glycemic kinetics since it represents a glycemic average. Secondly, it does not allow to appreciate the glycemic evolution through the full day. This dosage needs then sometimes to be complemented by fingersticks blood glucose testing. Last but not least, caution is advised in interpreting the results because a number of physiological, pathological and technical factors might interfere with HbA1c measurement. It is therefore important that physicians keep a critical view of the values obtained. The paper reviews the different methods used to determine the level of glycated haemoglobin and their limitations. It also emphasizes the medical situations in which over- and under-estimation of the real HbA1c value could occur. It does not address the specific issue of the new expression values of HbA1c in mmol/mol instead of %. Moreover, the medical situations in which over- and under estimation of the real HbA1c value could occur will be described. [less ▲]

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See detailCharacterization of dry and wet sawdust porous beds
Parmentier, Nicolas; Plougonven, Erwan ULg; Léonard, Angélique ULg et al

in Powder Technology (2014), 264

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See detailCR de Anna Drzewicka, "Volez oïr…". Études sur la littérature française du Moyen Âge, Articles des années 1974-2008
Henrard, Nadine ULg

in Bulletin Bibliographique de la Société Rencesvals (2014), 2013-2014(45), 208-212

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See detailAnalyse des caractéristiques biopsychosociales observées chez 1 832 patients consultant pour des douleurs chroniques dans le service d'algologie du CHU de Liège
Faymonville, Marie-Elisabeth ULg; Blavier, Adelaïde ULg; PALMARICCIOTTI, Valérie ULg et al

in Douleur et Analgésie (2014)

This article aims to establish a "profile" of patients presenting with chronic pain in the algology service of CHU of Liège to identify possible relationships between diagnoses, psychological states and ... [more ▼]

This article aims to establish a "profile" of patients presenting with chronic pain in the algology service of CHU of Liège to identify possible relationships between diagnoses, psychological states and modes of pain management. Between 2005 and 2010 we monitored 1832 individual chronic pain patients who attended our pain clinic at the University Hospital of Liège. This paper presents the characteristics of these patients and their test scores before the treatment to assess their health status in a biopsychosocial perspective. Demographic and lifestyle as well as occupational factors, pain disability index, pain belief assessment, hospital anxiety and depression scale, SF-36 (Short Form Health Survey) and pain visual analogue scale are presented. The results have clinical implication; they suggest an adaptation of our therapeutic interventions based on these observations. © 2014 Springer-Verlag France. [less ▲]

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See detailMarcos, la botarga. ¿Avatar o despedida del Subcomandante?
Vanden Berghe, Kristine ULg

in Asociación para el Fomento de los Estudios Históricos en Centroamérica (2014), 60

Se evalúa hasta qué punto la despedida del Sucomandante Marcos en mayo de 2014 se inscribe en la continuación de un discurso anterior o se desvía de él.

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See detailSpray-drying synthesis of Na2FePO4F/carbon powders for lithium-ion batteries
Brisbois, Magali ULg; Krins, Natacha ULg; Hermann, Raphael et al

in Materials Letters (2014), 130

Sodium iron fluorophosphate Na2FePO4F is a candidate positive electrode material for both lithium-ion batteries and sodium-ion batteries. We report the synthesis of Na2FePO4F/carbon powders by the simple ... [more ▼]

Sodium iron fluorophosphate Na2FePO4F is a candidate positive electrode material for both lithium-ion batteries and sodium-ion batteries. We report the synthesis of Na2FePO4F/carbon powders by the simple and easily up-scalable technique of spray-drying. An aqueous solution containing citric acid as a carbon source was sprayed in a pilot-scale spray-dryer. Heat treatment at 600°C in argon for 12 hours was found appropriate to obtain single-phase Na2FePO4F; only 1.8% of Fe (III) were detected by iron-57 Mössbauer spectroscopy. When cycled against lithium, the discharge capacity reached 110 mAh g-1 at C/15 rate. (C) 2014 Elsevier B.V. All rights reserved. [less ▲]

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See detailCan new information and communication technologies help in the management of osteoporosis ?
Slomian, Justine ULg; Appelboom, G; Ethgen, Olivier ULg et al

in Women's Health (2014), 10(3), 229-232

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See detailL’« originalité » perceptive d’un sujet pervers au test de Rorschach
Englebert, Jérôme ULg

in Evolution Psychiatrique (2014), 79(3), 429-441

The author starts with a discussion about two notions appearing into the Rorschach test: the perception and the apperception. By this way, it is suggest ways for a phenomenological study of the Rorschach ... [more ▼]

The author starts with a discussion about two notions appearing into the Rorschach test: the perception and the apperception. By this way, it is suggest ways for a phenomenological study of the Rorschach test. These proposals are consistent with those of the Comprehensive System (Proposed by John E. Exner). Then the author proposes a protocol analyzing of a patient with a perverse psychological functioning. In one hand, the result obtained by the Form Quality (FQ) is detailed in particular regarding to the status of unusual perceptions. According to the Comprehensive System proposed by J.E. Exner, a significant proportion of responses "u" (46% for this protocol) indicates that the person is not influenced by any social request or any expectation and some of his behaviors could ignore or avoid any question about social convention. From an other point of view, when analyzing these data, an adaptive dimension for these unusual perceptions is identified. The pervert perceives the stimuli that "really exists" according to him not everyone can perceive it. This advantage allows a better adaptation to the environment and the ability to change this environment. The manipulation (a particular skill that is most of the time attributed to the perverse person) is probably a consequence of having an original perception of reality. It is also discussed the interpretation of the "anatomical content" in connection with this adaptive hypothesis. In addition, the author also discusses a particular answer of the protocol: the answer "shoes" that presents a specific perceptual characteristic. [less ▲]

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See detailTwo novel mutations of the CLDN16 gene cause familial hypomagnesaemia with hypercalciuria and nephrocalcinosis
Hanssen, Oriane ULg; CASTERMANS, Emilie ULg; BOVY, Christophe ULg et al

in Clinical Kidney Journal (2014), 7

Familial hypomagnesaemia with hypercalciuria and nephrocalcinosis is an autosomal-recessive disease caused by mutations in the CLDN16 or CLDN19 genes, which encode tight junction-associated proteins ... [more ▼]

Familial hypomagnesaemia with hypercalciuria and nephrocalcinosis is an autosomal-recessive disease caused by mutations in the CLDN16 or CLDN19 genes, which encode tight junction-associated proteins, claudin-16 and -19. The resultant tubulopathy leads to urinary loss of Mg2+ and Ca2+, with subsequent nephrocalcinosis and end-stage renal disease (ESRD). An 18-year-old boy presented with chronic kidney disease and proteinuria, as well as hypomagnesaemia, hypercalciuria and nephrocalcinosis. A kidney biopsy revealed tubular atrophy, interstitial fibrosis and segmental sclerosis of some glomeruli. Two novel mutations in the CLDN16 gene were identified: c.340C>T (nonsense) and c.427+5G>A (splice site). The patient reached ESRD at 23 and benefited from kidney transplantation. [less ▲]

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See detailCrédits aux PME et clause de résiliation unilatérale au profit de la banque
Biquet, Christine ULg

in Revue de Jurisprudence de Liège, Mons et Bruxelles (2014), (5), 219-220

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See detailLearning in, through, and about participatory technology assessment: The case of nanotechnologies for tomorrow's society (NanoSoc)
Van Oudheusden, Michiel ULg

in Technology Analysis & Strategic Management (2014)

In participatory technology assessment (pTA), technical and nontechnical communities convene to share their views on a sociotechnical challenge, in an attempt to render technology research and development ... [more ▼]

In participatory technology assessment (pTA), technical and nontechnical communities convene to share their views on a sociotechnical challenge, in an attempt to render technology research and development more socially robust. Taking these commitments to transdisciplinary collaboration and co-construction of technology as entry points, this article describes key tensions that emerged in a Flemish pTA project on nanotechnologies, entitled ‘Nanotechnologies for Tomorrow’s Society’ (NanoSoc). The tensions pertain to how the terms of participation were enacted, the potentially conflicting aims embedded in the project’s mission and methods, the various roles initiating pTA researchers (social scientists) assumed throughout the project’s duration, and the deliberative-democratic rationale that sustains pTA frameworks at large. The article is a response to a pressing question posed to the author by pTA professionals, project participants, and policymakers who ask publics to partake in science and technology decision making: Now that NanoSoc is terminated, what can we learn from it? [less ▲]

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See detailPsychrotrophic lactic acid bacteria associated with production batch recalls and sporadic cases of early spoilage in Belgium between 2010 and 2014
Pothakos, Vasileios; Taminiau, Bernard ULg; Huys, Geert et al

in International Journal of Food Microbiology (2014), 191

Between 2010 and 2014 several spoilage cases in Belgium occurring in retail foodstuffs prior to the end of shelf-life have been reported to our laboratory. Overall, seven cases involved strictly ... [more ▼]

Between 2010 and 2014 several spoilage cases in Belgium occurring in retail foodstuffs prior to the end of shelf-life have been reported to our laboratory. Overall, seven cases involved strictly psychrotrophic lactic acid bacteria (LAB) contamination in packaged and chilled-stored food products. The products derived either fromrecalls of entire production batches or as specimens of sporadic spoilage manifestations. Some of these samples were returned to the manufacturing companies by consumers who observed the alterations after purchasing the products. The products covered a wide range of foodstuffs (i.e. meat, dairy, vegetable, egg products and composite food) and denoted different spoilage defects. However, the microbiota determined by means of 16S rRNA gene high throughput sequencing analysis underpin few LAB genera (i.e. Leuconostoc, Lactobacillus, Weissella and Lactococcus), which are frequently encountered nowadays as specific spoilage organisms (SSO) albeit overlooked by mesophilic enumeration methods due to their strictly psychrotrophic character. The present study confirms the spreading of psychrotrophic LAB in Belgian food processing environments leading to unexpected spoilage, corroborating their spoilage dynamics and prevalence in all kinds of packaged and refrigerated foodstuffs in Northern Europe. [less ▲]

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See detailIdentification of a microRNA landscape targeting the PI3K/Akt signaling pathway in inflammation-induced colorectal carcinogenesis
JOSSE, Claire ULg; Bouznad, Nassim ULg; Geurts, Pierre ULg et al

in American Journal of Physiology - Gastrointestinal and Liver Physiology (2014), 306

Inflammation can contribute to tumor formation; however, markers that predict progression are still lacking. In the present study, the well-established azoxymethane (AOM)/dextran sulfate sodium (DSS ... [more ▼]

Inflammation can contribute to tumor formation; however, markers that predict progression are still lacking. In the present study, the well-established azoxymethane (AOM)/dextran sulfate sodium (DSS)-induced mouse model of colitis-associated cancer was used to analyze microRNA (miRNA) modulation accompanying inflammation-induced tumor development and to determine whether inflammation-triggered miRNA alterations affect the expression of genes or pathways involved in cancer. A miRNA microarray experiment was performed to establish miRNA expression profiles in mouse colon at early and late time points during inflammation and/or tumor growth. Chronic inflammation and carcinogenesis were associated with distinct changes in miRNA expression. Nevertheless, prediction algorithms of miRNA-mRNA interactions and computational analyses based on ranked miRNA lists consistently identified putative target genes that play essential roles in tumor growth or that belong to key carcinogenesis-related signaling pathways. We identified PI3K/Akt and the insulin growth factor-1 (IGF-1) as major pathways being affected in the AOM/DSS model. DSS-induced chronic inflammation downregulates miR-133a and miR-143/145, which is reportedly associated with human colorectal cancer and PI3K/Akt activation. Accordingly, conditioned medium from inflammatory cells decreases the expression of these miRNA in colorectal adenocarcinoma Caco-2 cells. Overexpression of miR-223, one of the main miRNA showing strong upregulation during AOM/DSS tumor growth, inhibited Akt phosphorylation and IGF-1R expression in these cells. Cell sorting from mouse colons delineated distinct miRNA expression patterns in epithelial and myeloid cells during the periods preceding and spanning tumor growth. Hence, cell-type-specific miRNA dysregulation and subsequent PI3K/Akt activation may be involved in the transition from intestinal inflammation to cancer. [less ▲]

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See detailPEGylation of antibody fragments greatly increases their local residence time following delivery to the respiratory tract.
Koussoroplis, Salome Juliette; Paulissen, Geneviève ULg; Tyteca, Donatienne et al

in Journal of Controlled Release (2014), sous presse

Inhalation aerosols offer a targeted therapy for respiratory diseases. However, the therapeutic efficacy of inhaled biopharmaceuticals is limited by the rapid clearance of macromolecules in the lungs. The ... [more ▼]

Inhalation aerosols offer a targeted therapy for respiratory diseases. However, the therapeutic efficacy of inhaled biopharmaceuticals is limited by the rapid clearance of macromolecules in the lungs. The aim of this research was to study the effects of the PEGylation of antibody fragments on their local residence time after administration to the respiratory tract. We demonstrate that the conjugation of a two-armed 40-kDa polyethylene glycol (PEG) chain to anti-interleukin-17A (IL-17A) F(ab')2 and anti-IL-13 Fab' greatly prolonged the presence of these fragments within the lungs of mice. The content of PEGylated antibody fragments within the lungs plateaued up to 4hours post-delivery, whereas clearance of unconjugated proteins started immediately after administration. Forty-eight hours post-delivery, F(ab')2 and Fab' content in the lungs had decreased to 10 and 14 % of the dose initially deposited, respectively. However, this value was 40 % for both PEG40-F(ab')2 and PEG40-Fab'. The prolonged pulmonary residency of the anti-IL-17A PEG40-F(ab')2 translated into an improved efficacy in reducing lung inflammation in a murine model of house dust mite-induced lung inflammation. We demonstrate that PEGylated proteins were principally retained within the lung lumen rather than the nasal cavities or lung parenchyma. In addition, we report that PEG increased pulmonary retention of antibody fragments through mucoadhesion and escape from alveolar macrophages rather than increased hydrodynamic size or improved enzymatic stability. The PEGylation of proteins might find broad application in the local delivery of therapeutic proteins to diseased airways. [less ▲]

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See detailEffect of N-acetylcysteine combined with infliximab on toxic epidermal necrolysis. A proof-of-concept study.
PAQUET, Philippe ULg; JENNES, Serge; ROUSSEAU, Anne-Françoise ULg et al

in Burns : Journal of the International Society for Burn Injuries (2014)

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See detailNeonatal progeroid variant of Marfan syndrome with congenital lipodystrophy results from mutations at the 3' end of FBN1 gene.
Jacquinet, Adeline ULg; Verloes, Alain; Callewaert, Bert et al

in European journal of medical genetics (2014), 57(5), 230-4

We report a 16-year-old girl with neonatal progeroid features and congenital lipodystrophy who was considered at birth as a possible variant of Wiedemann-Rautenstrauch syndrome. The emergence of ... [more ▼]

We report a 16-year-old girl with neonatal progeroid features and congenital lipodystrophy who was considered at birth as a possible variant of Wiedemann-Rautenstrauch syndrome. The emergence of additional clinical signs (marfanoid habitus, severe myopia and dilatation of the aortic bulb) lead to consider the diagnosis of the progeroid variant of Marfan syndrome. A de novo donor splice-site mutation (c.8226+1G>A) was identified in FBN1. We show that this mutation leads to exon 64 skipping and to the production of a stable mRNA that should allow synthesis of a truncated profibrillin-1, in which the C-terminal furin cleavage site is altered. FBN1 mutations associated with a similar phenotype have only been reported in four other patients. We confirm the correlation between marfanoid phenotype with congenital lipodystrophy and neonatal progeroid features (marfanoid-progeroid-lipodystrophy syndrome) and frameshift mutations at the 3' end of FBN1. This syndrome should be considered in differential diagnosis of neonatal progeroid syndromes. [less ▲]

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See detailAttaques massives de simulies et mort brutale
Caron, Yannick ULg; Losson, Bertrand ULg

in Veterinaria (Bruxelles) : Bulletin d’Information de l’Union Syndicale Vétérinaire Belge (2014)

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See detailMechanical properties of alloy Ti-6Al-4V and of stainless steel 316L processed by Selective Laser Melting: Influence of out-of-equilibrium microstructures
Mertens, Anne ULg; Reginster, Sylvie ULg; Paydas, Hakan ULg et al

in Powder Metallurgy (2014), 57(3), 184-189

Ti-6Al-4V and stainless steel 316L have been processed by selective laser melting under similar conditions, and their microstructures and mechanical behaviours have been compared in details. Under the ... [more ▼]

Ti-6Al-4V and stainless steel 316L have been processed by selective laser melting under similar conditions, and their microstructures and mechanical behaviours have been compared in details. Under the investigated conditions, Ti-6Al-4V exhibits a more complex behaviour than stainless steel 316L with respect to the occurrence of microstructural and mechanical anisotropy. Moreover, Ti-6Al-4V appears more sensitive to the build-up of internal stresses when compared with stainless steel 316L, whereas stainless steel 316L appears more prone to the formation of “lack of melting” defects. This correlates nicely with the difference in thermal conductivity between the two materials. Thermal conductivity was shown to increase strongly with increasing temperature and the thermophysical properties appeared to be influenced by variations in the initial metallurgical state. [less ▲]

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See detailThe influence of particle size distribution on sunflower tahini rheology and structure
Mureşan, Vlad; Danthine, Sabine ULg; Racolţa, Emil et al

in Journal of Food Process Engineering (2014)

Different particle size sunflower tahini prototypes were obtained by controlling the milling process of roasted sunflower kernels. Not only the physicochemical properties of these samples but also of an ... [more ▼]

Different particle size sunflower tahini prototypes were obtained by controlling the milling process of roasted sunflower kernels. Not only the physicochemical properties of these samples but also of an industrial reference were compared and discussed in order to understand tahini behavior and structure. Granulometry was determined by a laser-scattering analyzer and revealed for all studied samples, trimodal particle size distributions. Histogram modes, as well as cumulative volume percentages (CVPs) of smal l- and middle-class populations, increased with the number of passes through colloidal mill, while for large particle size population, both the modes and CVPs decreased. Pseudoplastic behavior was observed for all sunflower tahini prototypes and reference, irrespective of studied temperature and particle size. However, the value of consistency coefficient ranged from 3,049 to 6.6 Pa·s n being strong dependent on particle size and temperature while flow behavior indexes between 0.53 and 0.87. Time-dependent rheological analysis revealed higher thixotropic degree of coarser sunflower tahini samples. Studied samples had rheological properties characteristic for a viscoelastic mate- rial, the response in the dynamic frequency sweep being typical for weak gels. The finest sunflower tahini prototype showed the lowest Krieger–Dougherty estimated volume fraction (0.48), while the coarsest sample the highest (0.69), sunflower tahini reference being placed in a median position with a volume fraction of 0.56. By combining all those data, a schematic structure of sunflower tahini was pro- posed for the first time [less ▲]

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See detailMarcos, la botarga. ¿Avatar o despedida del Subcomandante?
Vanden Berghe, Kristine ULg

in Asociación para el Fomento de los Estudios Históricos en Centroamérica (2014), 60

Se evalúa hasta qué punto la despedida del Sucomandante Marcos en mayo de 2014 se inscribe en la continuación de un discurso anterior o se desvía de él.

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See detailDUSP3/VHR is a pro-angiogenic atypical dual-specificity phosphatase
Amand, Mathieu ULg; Erpicum, Charlotte ULg; BAJOU, Khalid ULg et al

in Molecular Cancer (2014)

Background DUSP3 phosphatase, also known as Vaccinia-H1 Related (VHR) phosphatase, encoded by DUSP3/Dusp3 gene, is a relatively small member of the dual-specificity protein phosphatases. In vitro studies ... [more ▼]

Background DUSP3 phosphatase, also known as Vaccinia-H1 Related (VHR) phosphatase, encoded by DUSP3/Dusp3 gene, is a relatively small member of the dual-specificity protein phosphatases. In vitro studies showed that DUSP3 is a negative regulator of ERK and JNK pathways in several cell lines. On the other hand, DUSP3 is implicated in human cancer. It has been alternatively described as having tumor suppressive and oncogenic properties. Thus, the available data suggest that DUSP3 plays complex and contradictory roles in tumorigenesis that could be cell type-dependent. Since most of these studies were performed using recombinant proteins or in cell-transfection based assays, the physiological function of DUSP3 has remained elusive. Results Using immunohistochemistry on human cervical sections, we observed a strong expression of DUSP3 in endothelial cells (EC) suggesting a contribution for this phosphatase to EC functions. DUSP3 downregulation, using RNA interference, in human EC reduced significantly in vitro tube formation on Matrigel and spheroid angiogenic sprouting. However, this defect was not associated with an altered phosphorylation of the documented in vitro DUSP3 substrates, ERK1/2, JNK1/2 and EGFR but was associated with an increased PKC phosphorylation. To investigate the physiological function of DUSP3, we generated Dusp3-deficient mice by homologous recombination. The obtained DUSP3-/- mice were healthy, fertile, with no spontaneous phenotype and no vascular defect. However, DUSP3 deficiency prevented neo-vascularization of transplanted b-FGF containing Matrigel and LLC xenograft tumors as evidenced by hemoglobin (Hb) and FITC-dextran quantifications. Furthermore, we found that DUSP3 is required for b-FGF-induced microvessel outgrowth in the aortic ring assay. Conclusions All together, our data identify DUSP3 as a new important player in angiogenesis. [less ▲]

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See detailClosure to “Parapet Wall Effect on Piano Key Weir Efficiency”
Erpicum, Sébastien ULg; Machiels, Olivier; Pirotton, Michel ULg et al

in Journal of Irrigation & Drainage Engineering (2014)

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See detailUnderstanding the performance of the FLake model over two African Great Lakes
Thiery, Wim; Martynov, Andrey; Darchambeau, François ULg et al

in Geoscientific Model Development [=GMD] (2014), 7

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See detailHead Trauma and Distal Anterior Cerebral Artery Aneurysm: Potential Role of an Adhesion to the Falx
Scholtes, Félix ULg; HENROTEAUX, Adrienne ULg; OTTO, Bernard ULg et al

in Journal of Neurological Surgery. Part A, Central European Neurosurgery (2014), [Epub ahead of print]

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See detailFunctional adaptations of the bacterial chaperone trigger factor to extreme environmental temperatures
Godin-Roulling, Amandine ULg; Schmidpeter, P.A.M.; Schmid, F.X. et al

in Environmental Microbiology (2014)

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See detailA propos de l'encéphalopathie du nouveau-né
Battisti, Oreste ULg; Beguin, Yves ULg

in Percentile (2014), 19

Editorial sur l'hypoxie périnatale et les cellules souches.

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See detailSmart wearable body sensors for patient self-assessment and monitoring
Appelboom, G; Camacho, E; Abraham, M et al

in Archives of Public Health (2014), 72

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See detailAdolescentes victimes d'abus sexuel et trajectoire délinquante : quels facteurs de résilience ?
Glowacz, Fabienne ULg; Buzitu, Rachel

in Neuropsychiatrie de l'enfance et de l'adolescence (2014), 62(6), 349-357

Introduction: This study concerns resilience related to juvenile delinquency among victims of sexual abuse: sexual abuse has been recognized as a powerful risk factor for the emergence of deviant and ... [more ▼]

Introduction: This study concerns resilience related to juvenile delinquency among victims of sexual abuse: sexual abuse has been recognized as a powerful risk factor for the emergence of deviant and criminal behavior. Objective: Our study aims to explore and highlight the protective factors that prevent victims of sexual abuse from engaging in a delinquent trajectory. Method: The sample consists of teenage girls who have revealed at minimum last year, their intergenerational abuse. These girls, all between 12 and 18 years old, are divided into sub-groups: the non-offender victims and the victims who are also offenders. Each teenage victim is compared to a normative population on different psychological functioning dimensions : self-esteem (Harter's self-perception profile for adolescents), aggressiveness (the Buss-Perry Aggression questionnaire) and Post-Traumatic Stress, with the Impact of Event scale-Revised, (IES-R)-Horowitz. We analyze family characteristics such as familial attachment and family climate, social characteristics such as associations with peers, and environmental factors such as reactions to revelations of sexual abuse, the presence of family and extra-familial resources, psychological care. Results and conclusion: The results show that teenage victims of sexual assault present lower self-esteem and a negative self-perception in all fields, except for the perception of their attractiveness. Over-investment of this single dimension of self-perception can lead to a sexualization of their relationships with others and expose them to the risk of sexual revictimisation. The comparative analyses between the adolescent delinquent and non-delinquent victims highlight risk factors in connection with setting them off on a delinquent trajectory and protective factors supporting their resilience. The results highlight specific characteristics to the offender juvenile victims supporting a delinquent trajectory : aggressiveness, PTSD, defensive strategy of avoidance and characteristics of abuse (chronicity of abuse). The victim committed in delinquent trajectories presented more aggressiveness, consumeristic behaviour, post-traumatic stress and defensive strategy of avoidance than non-offender victims. Delinquent behaviour, just like substance abuse, could be a strategy of risk avoidance in connection with reliving sexual trauma, which hinders the process of resilience. Compared to the process of resilience, immediate and differed paternal support (during and after the revelations) seems the most important factor of protection. Being able to benefit from psychological councelling and having an extra-familial resource (a significant relationship with someone in the social environment) also constitute factors that support the resilience of these teenagers and prevent them from going down the path of delinquency. The interventions should aim at establishing a therapeutic alliance with these young girls during the early process of revealing the sexual abuse and mobilize and activate the support of the father (when he is not the abuser) or of a meaningful paternal figure as early as possible during the revealing phase and to accompany him in this restructuring function. [less ▲]

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See detailLarge-scale structure and dynamics of the magnetotails of Mercury, Earth, Jupiter and Saturn.
Jackman; Arridge; Andre et al

in Space Science Reviews (2014)

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See detailEffects of adenosine on lymphangiogenesis.
Lenoir, Bénédicte ULg; Wagner, Daniel R.; Blacher, Silvia ULg et al

in PloS one (2014), 9(3), 92715

BACKGROUND: The lymphatic system controls tissue homeostasis by draining protein-rich lymph to the vascular system. Lymphangiogenesis, the formation of lymphatic vessels, is a normal event in childhood ... [more ▼]

BACKGROUND: The lymphatic system controls tissue homeostasis by draining protein-rich lymph to the vascular system. Lymphangiogenesis, the formation of lymphatic vessels, is a normal event in childhood but promotes tumor spread and metastasis during adulthood. Blocking lymphangiogenesis may therefore be of therapeutic interest. Production of adenosine is enhanced in the tumor environment and contributes to tumor progression through stimulation of angiogenesis. In this study, we determined whether adenosine affects lymphangiogenesis. METHODS: Lymphatic endothelial cells (HMVEC-dLy) were cultured in presence of adenosine and their proliferation, migration and tube formation was assessed. Gelatin sponges embedded with the stable analogue of adenosine 2-chloro adenosine were implanted in mice ear and lymphangiogenesis was quantified. Mice were intravenously injected with adenoviruses containing expression vector for 5'-endonucleotidase, which plays a major role in the formation of adenosine. RESULTS: In vitro, we observed that adenosine decreased the proliferation of lymphatic endothelial cells, their migration and tube formation. However, in vivo, gelatin sponges containing 2-chloro adenosine and implanted in mice ear displayed an elevated level of lymphangiogenesis (2.5-fold, p<0.001). Adenovirus-mediated over-expression of cytosolic 5'-nucleotidase IA stimulated lymphangiogenesis and the recruitment of macrophages in mouse liver. Proliferation of lymphatic endothelial cells was enhanced (2-fold, p<0.001) when incubated in the presence of conditioned medium from murine macrophages. CONCLUSION: We have shown that adenosine stimulates lymphangiogenesis in vivo, presumably through a macrophage-mediated mechanism. This observation suggests that blockade of adenosine receptors may help in anti-cancer therapies. [less ▲]

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See detailHost-induced bacterial cell wall decomposition mediates pattern-triggered immunity in Arabidopsis
Liu, X.; Grabherr, H.; Willmann, R. et al

in eLife (2014)

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See detailLa lumière comme stimulant de l’activité cognitive cérébrale
Vandewalle, Gilles ULg

in Medecine Sciences : M/S (2014), In press

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See detailINDICATIONS D’UN TRAITEMENT DE RADIOTHERAPIE LOCALE APRES PROSTATECTOMIE RADICALE
HERMESSE, Johanne ULg; WERENNE, Xavier ULg; PHILIPPI, Sven ULg et al

in Revue Médicale de Liège (2014), 69(Supp 1), 29-31

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See detailL’éjaculation précoce : une revue de questions
Kempeneers, Philippe ULg; ANDRIANNE, Robert ULg; Lequeux, Armand et al

in Revue Francophone de Clinique Comportementale et Cognitive (2014), 19(2), 35-60

Premature ejaculation (PE) is a disorder characterized by three components: (1) a rapid ejaculation, (2), a feeling of lack of control upon ejaculation, (3) and a distress related to this condition. The ... [more ▼]

Premature ejaculation (PE) is a disorder characterized by three components: (1) a rapid ejaculation, (2), a feeling of lack of control upon ejaculation, (3) and a distress related to this condition. The criterion of rapidity appears to be most controversial: some authors refer only to subjects’ judgment, while other ones set a maximum ejaculatory latency. Although it focused some criticisms related to a lack of objective latency criteria, the definition of PE propounded by the DSM-IV(-TR) remains most currently used. PE affects about 15 to 30% of the male population. However, the estimations can vary widely depending on populations and methodologies. Several factors contribute to the occurrence of the disorder: one may very probably charge bio-constitutional risks, learning factors, cultural and cognitive influences and the role of anxiety. No robust data allow to implicate personality factors other than anxiety. The influence of the age remains a controversial topic. Cognitive-behavioral techniques appear to be quite efficient in the treatment of PE. However the success rates are variable, and the precise nature of the therapeutic active process remains unclear. Serotonergic drugs and local anesthetics are also efficient, but their action remains strictly symptomatic. The usefulness of phosphodiesterase-5 inhibitors is disputed. Combining psychological and pharmacological approaches might be promising. Unfortunately, there is a lack of clinical trials in this field. Although effective treatments do exist, only a few affected people appear to use them satisfactorily. Efforts have still to be made in order to train adequately heath practitioners and to make the treatments more accessible to the public. [less ▲]

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See detailPotentiality of clay raw materials from northern Morocco in ceramic industry: Tetouan and Meknes areas
El Ouahabi, Meriam ULg; Daoudi, Lahcen; De Vleeschouwer, François et al

in Journal of Minerals and Materials Characterization and Engineering (2014)

This study aims at evaluating the potential suitability of Tetouan and Meknes (central Morocco) clay material as raw materials in various ceramic applications by investigating their textural, chemical ... [more ▼]

This study aims at evaluating the potential suitability of Tetouan and Meknes (central Morocco) clay material as raw materials in various ceramic applications by investigating their textural, chemical, thermal and firing characteristics. Textural properties were identified by specific surface area, cation exchange capacity (CEC) and bulk density (ρs). Chemical and thermal properties were assessed using XRF and TG/DTA techniques, respectively. Firing characteristics at temperatures from 800°C to 1100°C were determined by linear firing shrinkage, loss on weight and water absorption capacity. The Meknes clays are characterised by medium cation exchange capacity (CEC) and specific surface area (SSA) values due to their moderate smectite content. The Tetouan clays have medium to low CEC and medium SSA values. The main oxides in the clayey samples are SiO2 (35 – 54.3 wt.%), Al2O3 (20.6 – 43.9 wt.%), and Fe2O3 (9.7 – 22.4 wt.%). The amount of CaO in Meknes clays ranges from 8 to 12 wt.%, whereas CaO is only present in some Tetouan clay (TE4, TE7, TN4 and TN5). A significant densification of ceramic behaviour could be noticed for most of Tetouan clays at firing temperatures above 1000°C. Meknes clays show earlier densification from 800 °C. The chemical, textural and ceramic properties of Tetouan and Meknes clays indicate their suitability as raw materials for the production of structural ceramics. The high amount of Fe2O3 in all clays makes them inappropriate in fine ceramics. [less ▲]

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See detailDo global warming-induced circulation pattern changes affect temperature and precipitation over Europe during summer?
Belleflamme, Alexandre ULg; Fettweis, Xavier ULg; Erpicum, Michel ULg

in International Journal of Climatology (2014)

Future climate change projections are not limited to a simple warming, but changes in precipitation and sea level pressure (SLP) are also projected. The SLP changes and the associated atmospheric ... [more ▼]

Future climate change projections are not limited to a simple warming, but changes in precipitation and sea level pressure (SLP) are also projected. The SLP changes and the associated atmospheric circulation changes could directly mitigate or enhance potential projected changes in temperature and precipitation associated with rising temperatures. With the aim of analysing the projected circulation changes and their possible impacts on temperature and precipitation over Europe in summer [June–July–August (JJA)], we apply an automatic circulation type classification method, based on daily SLP, on general circulation model (GCM) outputs from the Coupled Model Intercomparison Project phase 5 (CMIP5) database over the historical period (1951–2005) and for climate under two future scenarios (2006–2100). We focus on summer as it is the season when changes in temperature and precipitation have the highest impact on human health and agriculture. Over the historical observed reference period (1960–1999), our results show that most of the GCMs have significant biases over Europe when compared to reanalysis data sets, both for simulating the observed circulation types and their frequencies, as well as for reproducing the intraclass means of the studied variables. The future projections suggest a decrease of circulation types favouring a low centred over the British Isles for the benefit of more anticyclonic conditions. These circulation changes mitigate the projected precipitation increase over north-western Europe in summer, but they do not significantly affect the projected temperature increase and the precipitation decrease over the Mediterranean region and eastern Europe. However, the circulation changes and the associated precipitation changes are tarnished by a high uncertainty among the GCM projections. [less ▲]

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See detailWhole-genome sequence of Serratia symbiotica strain CWBI-2.3T, a free-living symbiont of the Black Bean Aphid Aphis fabae
Foray, Vincent; Grigorescu, Alina ULg; Sabri, Ahmed et al

in Genome Announcements (2014), 2(4),

The gammaproteobacterium Serratia symbiotica is one of the major secondary symbionts found in aphids. Here, we report the draft genome sequence of S. symbiotica strain CWBI-2.3T, previously isolated from ... [more ▼]

The gammaproteobacterium Serratia symbiotica is one of the major secondary symbionts found in aphids. Here, we report the draft genome sequence of S. symbiotica strain CWBI-2.3T, previously isolated from the black bean aphid Aphis fabae. The 3.58-Mb genome sequence might provide new insights to understand the evolution of insect-microbe symbiosis. [less ▲]

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See detailcompte rendu de : Pascale PARÉ-REY, Flores et acumina. Les sententiae dans les tragédies de Sénèque
Rochette, Bruno ULg

in Latomus : Revue d'Etudes Latines (2014)

Detailed reference viewed: 19 (1 ULg)