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See detailEffect of Beclomethasone Dipropionate and Dexamethasone Isonicotinate on Lung Function, Bronchoalveolar Lavage Fluid Cytology, and Transcription Factor Expression in Airways of Horses with Recurrent Airway Obstruction
Couetil, L.; Art, Tatiana ULg; de Moffarts, Brieuc et al

in Journal of Veterinary Internal Medicine (2006), 20

Glucocorticoid (GC) therapy is recognized to be effective for the treatment of recurrent airway obstruction (RAO) in horses. Anti-inflammatory properties of GC are thought to be mediated by suppression of ... [more ▼]

Glucocorticoid (GC) therapy is recognized to be effective for the treatment of recurrent airway obstruction (RAO) in horses. Anti-inflammatory properties of GC are thought to be mediated by suppression of inflammatory gene expression via inhibition of transcription factors such as nuclear factor-kB (NF-kB) and activator protein-1 (AP-1). The purpose of this study was to evaluate the effect of low-dose inhaled beclomethasone dipropionate and injectable dexamethasone 21- isonicotinate on clinical signs, pulmonary function, airway cytology, and activity of NF-kB and AP-1 in bronchial cells of RAO-affected horses. Seven horses with RAO were exposed to moldy hay until they developed airway obstruction on 3 separate occasions. In a crossover design, they were then treated with a placebo (injection on day 1), inhaled beclomethasone (500 mg q12h for 10 days), or dexamethasone (0.06 mg/kg, IM on day 1) and monitored for 10 days. Pulmonary function, bronchoalveolar lavage fluid cytology, and NF-kB and AP-1 activity in bronchial brushing cells were measured before (day 1) and after treatment (day 10). Treatment with beclomethasone resulted in significantly improved pulmonary function of RAOaffected horses compared with placebo and dexamethasone treatments. However, none of the treatments had an effect on bronchoalveolar lavage fluid cytology or NF-kB and AP-1 activity. These findings reveal that, in a model of severe RAO, the benefits of low-dose inhaled beclomethasone on pulmonary function are not accompanied by a decrease in airway inflammatory cells or a suppression of transcription factors NF-kB and AP-1 DNA-binding activity. [less ▲]

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See detailLe lipopolysaccharide d’Escherichia coli : structure, biosynthèse et rôles
Szalo, Ioan Mihai ULg; Taminiau, Bernard ULg; Mainil, Jacques ULg

in Annales de Médecine Vétérinaire (2006), 150(2), 108-124

The lipopolysaccharide (LPS) is a major component of the surface of the Gram negative bacteria. The LPS is composed of three separately synthesized entities: the lipid A, the core oligosaccharide and the ... [more ▼]

The lipopolysaccharide (LPS) is a major component of the surface of the Gram negative bacteria. The LPS is composed of three separately synthesized entities: the lipid A, the core oligosaccharide and the O antigen, that will be linked together after their respective synthesis. The lipid A, embedded inside the outer membrane, is the proximal part of the LPS and the core is the medial part, whereas the O antigen represents the distal part free in the external environment. Amongst the Enterobacteriaceae family, the lipid A is structurally highly conserved and the variation in the structure of the core oligosaccharide is limited whereas the O antigen is the hypervariable region. Diverse biological activities have been associated with LPS, amongst which the endotoxinic activity carried by the lipid A, and the strain immunogenic specificity carried by the O antigen. In this review manuscript we summarize the state of knowledge on the structures and biosynthesis of the different components of the LPS of Escherichia coli and on their respective roles in the virulence of pathogenic bacteria. [less ▲]

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See detailElectrochemical study of two tris-O-substituted calix[4]arenes: 25,27-dipropoxy-26-hydroxy-28-benzoyloxycalix[4]arene(partial cone) and 25,27-dibenzyl-26-hydroxy-28-benzoyloxy-calix[4]-arene (partial cone). Electro synthesis of the corresponding calix[4]arene-monoquinones
Louati, Alain; Spraula, Julien; Gabelica, Valérie ULg et al

in Electrochemistry Communications (2006), 8(5), 761-766

The anodic oxidation of 25,27-dipropoxy-26-hydroxy-28-benzoyloxycalix[4]arene 1 and 25,27-dibenzyl-26-hydroxy-28-benzoyloxycalix[4]arene 2 in dichloromethane was investigated by electrochemical and ... [more ▼]

The anodic oxidation of 25,27-dipropoxy-26-hydroxy-28-benzoyloxycalix[4]arene 1 and 25,27-dibenzyl-26-hydroxy-28-benzoyloxycalix[4]arene 2 in dichloromethane was investigated by electrochemical and spectroclectrochemical techniques. For both, the overall reaction is a two-electron oxidation of the phenolic group according to an ECE mechanism resulting in the ultimate formation of an observable phenoxylium cation. After reaction of the latter with traces of water and subsequent internal electron transfer, the corresponding calix[4]-monoquinones are formed. (c) 2006 Elsevier B.V. All rights reserved. [less ▲]

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See detailMise à forme des matériaux - Première partie
Debongnie, Jean-François ULg

Learning material (2006)

Introduction. Irons metallurgy and alloys classifications (DIN, AFNOR, SAE). Casting practice. Forging. Sheet-metal working. Welding, soldering and oxygen cutting. Polder metallurgy. Unconventional ... [more ▼]

Introduction. Irons metallurgy and alloys classifications (DIN, AFNOR, SAE). Casting practice. Forging. Sheet-metal working. Welding, soldering and oxygen cutting. Polder metallurgy. Unconventional machining processes. [less ▲]

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See detailA Fourier-Based Solver for 3-D High-Frequency Surface Scattering Problems
Geuzaine, Christophe ULg

in Proceedings of the 12th IEEE Conference on Electromagnetic Field Computation, CEFC 2006 (2006)

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See detailThe prefix be-/bi- as a marker of verbs of deception in late Old and early Middle English
Petré, Peter ULg

in BELL. Belgian Journal of English Language and Literatures (2006), 4

This article brings to light a productive inseparable prefix construction marked by be-/biin late Old English and early Middle English, which forms complex verbs of DECEPTION, such as betray, beguile ... [more ▼]

This article brings to light a productive inseparable prefix construction marked by be-/biin late Old English and early Middle English, which forms complex verbs of DECEPTION, such as betray, beguile, bewray. The expression of such a specific psychological sense through a verbal prefix is highly exceptional for Germanic languages, and a complex four stage development has to be assumed, starting from other concrete constructions marked by be-/bi- such as the PRIVATIVE construction (cf. bereave, behead). By emphasizing the relevance of the notion of construction in this development, the article also contributes to the insights in the relationship between constructions and language change. [less ▲]

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See detailChapter 2. European guidelines for prevention in low back pain : November 2004.
Burton, A. K.; Balague, F.; Cardon, G. et al

in European Spine Journal (2006), 15 Suppl 2

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See detailChristine de Pizan, de la transsexualité au travestissement
Dor, Juliette ULg

in Leduc, Guyonne (Ed.) Travestissement féminin et libertés (2006)

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See detailEffect of the exotic invasive plant Solidago gigantea on soil phosphorus status
Chapuis-Lardy, L.; Vanderhoeven, SONIA ULg; Dassonville, N. et al

in Biology & Fertility of Soils (2006), 42(6), 481-489

Invasions by exotic plant species can modify biogeochemical cycles and soil properties. We tested whether invasion by early goldenrod (Solidago gigantea, Asteraceae) modifies soil phosphorus pools at ... [more ▼]

Invasions by exotic plant species can modify biogeochemical cycles and soil properties. We tested whether invasion by early goldenrod (Solidago gigantea, Asteraceae) modifies soil phosphorus pools at three sites in Belgium. Aboveground phytomass and soil samples (0-10 cm) were collected in early goldenrod patches and in adjacent, uninvaded, grassland vegetation. Soil P fractions varied between the three sites in line with corresponding differences in organic matter, carbonate and clay contents. In addition to site-specific impacts, plots invaded by goldenrods generally had higher concentrations of labile P [i.e. resin-extractable inorganic P (Pi) and bicarbonate-extractable Pi and organic P]. Soil CO2 release and alkaline and acid phosphomonoesterase activities were also higher in invaded plots, suggesting that the increase in labile Pi was due to enhanced mineralization. Phosphorus uptake by vegetation was 1.7-2.1 times higher in invaded plots, mostly due to the higher annual yield of S. gigantea. Altogether, the results indicate that S. gigantea enhances P turnover rates in invaded ecosystems. [less ▲]

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See detailStudy of the role of histone deacetylases in myofibroblastic differenciation
Glénisson, Wendy; Waltregny, David ULg; Castronovo, Vincenzo ULg

Scientific conference (2006)

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See detailLa entrega de nacionales del Estado miembro de ejecución de la orden de detención
Flore, Daniel ULg

in La Orden de detención y entrega europea (2006)

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See detailProgression micrograduée dans l'entraînement à la vision dans l'espace et à la description anatomique
Bonnet, Pierre ULg; Reggers, Thérèse ULg

in Revue Internationale des Technologies en Pédagogie Universitaire (2006), 3(1-2),

Anatomy teaching for first year medical sciences students in Liege Medical School, Belgium, s based on both lectures and e-learning. An introductive lesson on anatomical description has been developed on ... [more ▼]

Anatomy teaching for first year medical sciences students in Liege Medical School, Belgium, s based on both lectures and e-learning. An introductive lesson on anatomical description has been developed on e-learning as a tool for description and spatial view training. That first on-line lesson has been constructed by identifying the conceptual requisite to understand anatomy and its specific descriptive language, by dissection and finally by organisation of those requisites to allow generalisation and transfer. The lesson conception gives the students the opportunity to practice the exercise at their own rhythm trough all the steps of the reflective process. That e-learning lesson has been regulated by a follow-up of two years practice in real conditions. This article emphasizes the methodological principles which are the base of the micro graduated structure of the distance course. [less ▲]

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See detailExpertise des manuels Tweetalig Graag (1 et 2) et Spoed
Simons, Germain ULg

Report (2006)

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See detailOn a "Mathematical Neo-Aristotelism" in Leibniz
Bouquiaux, Laurence ULg

in Self-Organisation and Emergence in Life Sciences, Springer, Dordrecht (2006)

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See detailPoro Hypo Plastic analysis of the progressive excavation of the Mol URL connecting Gallery
Desrues, Jacques; Bésuelle, Pierre; Coll, Cécile et al

in Van Cotthem, Alain; Charlier, Robert; Thimus, Jean-Francois (Eds.) EUROCK 2006 - Multiphysics Coupling and Long Term Behaviour in Rock Mechanics (2006)

In the framework of a Euratom research program devoted to Nuclear Waste deposition security assessment, a numerical simulation of the excavation of a gallery in the Boom Clay layer at Mol (Belgium) has ... [more ▼]

In the framework of a Euratom research program devoted to Nuclear Waste deposition security assessment, a numerical simulation of the excavation of a gallery in the Boom Clay layer at Mol (Belgium) has been performed In order to model the progressive excavation and lining installation process, a special sequence of desactivation/activation of sets of elements was elaborated. In particular, this numerical strategy allowed to take into account the fact that, due to the deformation of the massif as the excavation progresses, the material to be excavated once the front has reached a given position into the rock mass cannot be defined a priori, but is resulting of the modelling of the previous phases up to the present one. [less ▲]

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See detailDie Keure van Zeeland
Adam, Renaud ULg

in Bousmanne, Bernard; Thieffry, Sandrine; Wijsman, Hanno (Eds.) Philippe le Beau (1478-1506) : les trésors du dernier duc de Bourgogne : exposition : Bruxelles, Bibliothèque royale de Belqique, Chapelle de Nassau, du 3 novembre 2006 au 27 janvier 2007 : catalogue (2006)

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