References of "2010"
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See detailFast production of highly concentrated reactive [18F] fluoride for aliphatic and aromatic nucleophilic radiolabelling
Aerts, Joël ULg; Voccia, Samuel; Lemaire, Christian ULg et al

in Tetrahedron Letters (2010), 51

The use of a polymeric solid support loaded with a long alkyl chain quaternary ammonium allows the rapid and efficient recovery of cyclotron produced [18F]F- from [18O]water to a low water content organic ... [more ▼]

The use of a polymeric solid support loaded with a long alkyl chain quaternary ammonium allows the rapid and efficient recovery of cyclotron produced [18F]F- from [18O]water to a low water content organic solution compatible with fast nucleophilic labelling of most precursors for PET radiopharmaceuticals in high yield. [less ▲]

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See detailEmploi et calcul des coffrages
Courard, Luc ULg

Learning material (2010)

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See detailHematopoietic stem cell transplantation in the treatment strategy of acute leukemia
Baron, Frédéric ULg; Beguin, Yves ULg

in Belgian Journal of Medical Oncology [=BJMO] (2010), 4

This review article discusses the current indications for allogeneic hematopoietic stem cell transplantation in adult patients with acute myeloid or lymphoblastic leukemia

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See detailL’apport d’une université au développement régional. Le cas de Liège
Merenne-Schoumaker, Bernadette ULg

in Mutations. Mémoires et perspectives du Bassin minier (2010), 2/2010

L’impact d’une université sur son territoire est étudié depuis près de 40 ans, les travaux se focalisant principalement sur les aspects économiques de cet impact et parfois sur la formation, la culture ... [more ▼]

L’impact d’une université sur son territoire est étudié depuis près de 40 ans, les travaux se focalisant principalement sur les aspects économiques de cet impact et parfois sur la formation, la culture, la santé ou encore l’image de marque. L'objectif de cet article est de mettre en évidence succinctement les problématiques et méthodologies de ces travaux, puis d'analyser le cas de l'Université de Liège [less ▲]

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See detailA new case of consensual decision: collective movement in earthworms
Zirbes, Lara ULg; Deneubourg, Jean-Louis; Brostaux, Yves ULg et al

in Ethology (2010), 115

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See detailLocal Cooperativity in an Amyloidogenic State of Human Lysozyme Observed at Atomic Resolution.
Dhulesia, A.; Cremades, N.; Kumita, J. R. et al

in Journal of the American Chemical Society (2010)

The partial unfolding of human lysozyme underlies its conversion from the soluble state into amyloid fibrils observed in a fatal hereditary form of systemic amyloidosis. To understand the molecular ... [more ▼]

The partial unfolding of human lysozyme underlies its conversion from the soluble state into amyloid fibrils observed in a fatal hereditary form of systemic amyloidosis. To understand the molecular origins of the disease, it is critical to characterize the structural and physicochemical properties of the amyloidogenic states of the protein. Here we provide a high-resolution view of the unfolding process at low pH for three different lysozyme variants, the wild-type protein and the mutants I56T and I59T, which show variable stabilities and propensities to aggregate in vitro. Using a range of biophysical techniques that includes differential scanning calorimetry and nuclear magnetic resonance spectroscopy, we demonstrate that thermal unfolding under amyloidogenic solution conditions involves a cooperative loss of native tertiary structure, followed by progressive unfolding of a compact, molten globule-like denatured state ensemble as the temperature is increased. The width of the temperature window over which the denatured ensemble progressively unfolds correlates with the relative amyloidogenicity and stability of these variants, and the region of lysozyme that unfolds first maps to that which forms the core of the amyloid fibrils formed under similar conditions. Together, these results present a coherent picture at atomic resolution of the initial events underlying amyloid formation by a globular protein. [less ▲]

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See detailFormulation des bétons
Courard, Luc ULg

Learning material (2010)

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See detailNew Method to Combine Pedigree and Molecular Relationships applied to Brandrood Cattle
Bömcke, Elisabeth ULg; Windig, J. J.; Gengler, Nicolas ULg

in 9th World Congress of Genetics Applied to Livestock Production: Leipzig, Germany (2010)

Relationship coefficients are traditionally based on pedigree data. Today, they are often replaced by coefficients calculated from molecular data, for example, microsatellites-based relationships for bio ... [more ▼]

Relationship coefficients are traditionally based on pedigree data. Today, they are often replaced by coefficients calculated from molecular data, for example, microsatellites-based relationships for bio-diversity studies or genomic relationships for prediction of breeding values. However, in many situations, optimal combination of both sources would be the best solutions; i.e. when population is incompletely genotyped or when pedigree information is sparse. Also even dense markers do not reflect the whole genome. The objective of this study was to applied a new method to calculate a relationship matrix by the combination of molecular and pedigree data on Brandrood cattle. The results showed that combining marker and pedigree information produced more accurate A-matrices what will be useful for future management of the breed genetic variability. [less ▲]

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See detailHeadache: spreading from molecules to patients
Schoenen, Jean ULg; Coppola, G.

in Lancet Neurology (2010), 9

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See detailVersican overexpression in human breast cancer lesions: Known and new isoforms for stromal tumor targeting.
Kischel, Philippe ULg; Waltregny, David ULg; Dumont, Bruno ULg et al

in International Journal of Cancer = Journal International du Cancer (2010), 126(3), 640-50

Proteoglycans play a key role in cancer development and progression by participating in the constitution of a specific fertile tumor microenvironment. As they are largely overexpressed in the malignant ... [more ▼]

Proteoglycans play a key role in cancer development and progression by participating in the constitution of a specific fertile tumor microenvironment. As they are largely overexpressed in the malignant stroma, proteoglycans provide a reservoir of potential new targets for anticancer therapies, because they can serve to convey toxic payloads in the close proximity of cancer cells and subsequently destroy them. In this context, versican, a proteoglycan largely overexpressed in several solid cancers, bears the potential to be such an ideal target. As 4 main versican isoforms have been characterized, we sought to determine which isoform could represent the best target in human breast cancer. We used a series of 10 primary breast cancer lesions that were characterized as overexpressing the versican protein, when compared with matched normal breast tissues, using shotgun mass spectrometry and immunohistochemistry experiments. Quantitative polymerase chain reaction and western-blotting experiments were used to evaluate versican isoform expression in breast cancer/normal tissue pairs for which ARN quality was excellent. All known isoforms were significantly overexpressed in the malignant lesions, both at the mRNA and at the protein levels. In the course of this study, we also identified and cloned a new alternatively spliced versican isoform, referred to as V4, which was also found to be upregulated in human breast cancer. This study provides for the first time a comprehensive mRNA and protein analysis of versican isoforms expression in human breast tissues, and offers insights into which therapeutic strategy would be best suited to target versican in human breast cancer lesions. [less ▲]

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See detailStructure and properties of a complex of alpha-synuclein and a single-domain camelid antibody.
De Genst, Erwin J; Guilliams, Tim; Wellens, Joke et al

in Journal of Molecular Biology (2010), 402(2), 326-43

The aggregation of the intrinsically disordered protein alpha-synuclein to form fibrillar amyloid structures is intimately associated with a variety of neurological disorders, most notably Parkinson's ... [more ▼]

The aggregation of the intrinsically disordered protein alpha-synuclein to form fibrillar amyloid structures is intimately associated with a variety of neurological disorders, most notably Parkinson's disease. The molecular mechanism of alpha-synuclein aggregation and toxicity is not yet understood in any detail, not least because of the paucity of structural probes through which to study the behavior of such a disordered system. Here, we describe an investigation involving a single-domain camelid antibody, NbSyn2, selected by phage display techniques to bind to alpha-synuclein, including the exploration of its effects on the in vitro aggregation of the protein under a variety of conditions. We show using isothermal calorimetric methods that NbSyn2 binds specifically to monomeric alpha-synuclein with nanomolar affinity and by means of NMR spectroscopy that it interacts with the four C-terminal residues of the protein. This latter finding is confirmed by the determination of a crystal structure of NbSyn2 bound to a peptide encompassing the nine C-terminal residues of alpha-synuclein. The NbSyn2:alpha-synuclein interaction is mediated mainly by side-chain interactions while water molecules cross-link the main-chain atoms of alpha-synuclein to atoms of NbSyn2, a feature we believe could be important in intrinsically disordered protein interactions more generally. The aggregation behavior of alpha-synuclein at physiological pH, including the morphology of the resulting fibrillar structures, is remarkably unaffected by the presence of NbSyn2 and indeed we show that NbSyn2 binds strongly to the aggregated as well as to the soluble forms of alpha-synuclein. These results give strong support to the conjecture that the C-terminal region of the protein is not directly involved in the mechanism of aggregation and suggest that binding of NbSyn2 could be a useful probe for the identification of alpha-synuclein aggregation in vitro and possibly in vivo. [less ▲]

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See detailNéerlandais / Presse radio
Yans, Baudoin ULg; Engelen, Nicole ULg; Nachtergaele, Lutgarde

Book published by De Boeck Université (2010)

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See detailCompte rendu de M.-F. Baslez, Les persécutions dans l'Antiquité. Victimes, héros, martyrs, Paris, 2007.
Delli Pizzi, Aurian ULg

in Kernos : Revue Internationale et Pluridisciplinaire de Religion Grecque (2010), 23

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See detailMeasurement of liquid hold-up in catalytic structured packings: comparison of different experimental techniques
Viva, Aurora ULg; Aferka, Saïd ULg; Toye, Dominique ULg et al

in de Haan, A. B.; Kooijman, H.; Gorak, A. (Eds.) Proceedings of 9th Distillation and Absorption Conference (DA2010), Eindhoven, Pays-Bas, 12-15 septembre 2010 (2010)

This paper presents the results of an experimental study carried out to examine liquid hold-up in 100 mm diameter catalytic structured packing Katapak-SP. Two versions of the packing have been ... [more ▼]

This paper presents the results of an experimental study carried out to examine liquid hold-up in 100 mm diameter catalytic structured packing Katapak-SP. Two versions of the packing have been investigated. Both global and local measurements were carried out on the very same packings, using water at ambient conditions as working liquid. To this scope, traditional methods like draining techniques were used to obtain global hold-up values. A non-intrusive high energy X-ray tomography was used for gathering information on local scale and study axial distribution of the liquid hold-up over the packed column, inside and outside the catalyst containing baskets. The total liquid hold-up of the catalytic packed bed was evaluated by averaging hold-up values obtained at different cross sections over the corresponding volume. Very good agreement was found between global values estimated with the different techniques. The experimental results are useful for supporting theoretical developments in hydrodynamic and mass transfer modeling. [less ▲]

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See detailA cell based modelling framework for skeletal tissue engineering applications
Geris, Liesbet ULg; Van Liedekerke, Paul; Smeets, Bart et al

in Journal of Biomechanics (2010), 43(5), 887-892

In this study, a cell based lattice free modelling framework is proposed to study cell aggregate behaviour in bone tissue engineering applications. The model encompasses cell-to-cell and cell environment ... [more ▼]

In this study, a cell based lattice free modelling framework is proposed to study cell aggregate behaviour in bone tissue engineering applications. The model encompasses cell-to-cell and cell environment interactions such as adhesion, repulsion and drag forces. Oxygen, nutrients, waste products, growth factors and inhibitors are explicitly represented in the model influencing cellular behaviour. Furthermore, a model for cell metabolism is incorporated representing the basic enzymic reactions of glycolysis and the Krebs cycle. Various types of cell death such as necrosis, apoptosis and anoikis are implemented. Finally, an explicit model of the cell cycle controls the proliferation process, taking into account the presence or absence of various metabolites, sufficient space and mechanical stress. Several examples are presented demonstrating the potential of the modelling framework. The behaviour of a synchronised cell aggregate under ideal circumstances is simulated, clearly showing the different stages of the cell cycle and the resulting growth of the aggregate. Also the difference in aggregate development under ideal (normoxic) and hypoxic conditions is simulated, showing hypoxia induced necrosis mainly in the centre of the aggregate grown under hypoxic conditions. The next step in this research will be the application of this modelling framework to specific experimental set-ups for bone tissue engineering applications. (C) 2009 Elsevier Ltd. All rights reserved. [less ▲]

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See detailStrategies pour eviter l'inertie et la non-observance dans les essais cliniques.
Jandrain, Bernard ULg; Ernest, Philippe ULg; Radermecker, Régis ULg et al

in Revue Médicale de Liège (2010), 65(5-6), 246-9

Randomised controlled trials play a key role in evidence-based medicine as far as the assessment of both efficacy and safety of drugs is concerned. Various strategies are used to avoid physician's inertia ... [more ▼]

Randomised controlled trials play a key role in evidence-based medicine as far as the assessment of both efficacy and safety of drugs is concerned. Various strategies are used to avoid physician's inertia and to combat patient's non compliance, two pitfalls that may hinder the demonstration of the therapeutic efficacy of the drug. Clinical inertia may be limited by titration, forced or optional, driven by therapeutic targets, or by the use, if necessary, of rescue medications. Compliance may be verified by "pill count". This simple technique allows to exclude non compliant patients when they are detected during the placebo run-in period before randomisation or not to take into account patients with poor compliance in the final evaluation by using a statistical analysis restricted to individuals who have strictly adhered to the study protocol ("per protocol analysis"). Self-monitoring and patient's empowerment in the treatment also contribute to improve drug compliance. Clinicians may take advantage of these approaches derived from clinical trials to improve their daily practice. [less ▲]

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See detailMaqriziana XI. Al-Maqrīzī et al-Ṣafadī: analyse de la (re)construction d'un récit biographique
Bauden, Frédéric ULg

in Quaderni di Studi Arabi (2010), 4(2009), 99-136

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