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See detailPolyester layered silicate nanohybrids by controlled grafting polymerization
Lepoittevin, Bénédicte; Pantoustier, Nadège; Alexandre, Michaël ULg et al

in Journal of Materials Chemistry (2002), 12(12), 3528-3535

Poly( epsilon-caprolactone) (PCL) layered silicate nanohybrids were synthesized by ring opening polymerization of epsilon-caprolactone according to a well-controlled coordination-insertion mechanism ... [more ▼]

Poly( epsilon-caprolactone) (PCL) layered silicate nanohybrids were synthesized by ring opening polymerization of epsilon-caprolactone according to a well-controlled coordination-insertion mechanism. Montmorillonites were surface-modified by non functional (trimethylhexadecylammonium) and hydroxy functional alkylammonium cations, i.e., (2-hydroxyethyl) dimethylhexadecylammonium. The hydroxy functions available at the clay surface were activated into tin( II or IV) or Al(III) alkoxide initiators for lactone polymerization, thus yielding surface-grafted PCL chains. The surface-grafted PCL chains were recovered by an ionic exchange reaction with lithium chloride and they were analyzed by size exclusion chromatography. The PCL molar mass was measured as a function of the hydroxy content of the clay that was modulated by exchanging the Na cations with mixtures of non-functional and hydroxy functional ammonium cations of different compositions. Nanohybrids were also characterized by small-angle X-ray diffraction, transmission electron microscopy and thermogravimetry. The PCL molar mass and the nanocomposite morphology (i.e., exfoliation and/or intercalation) were readily tuned by the content of the hydroxy groups available at the clay surface. Surface-grafted aluminium trialkoxide species proved highly efficient in initiating polymerization that leads to PCL chains of controlled molar mass and narrow molecular weight distribution with polydispersity indices as low as 1.2. [less ▲]

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See detailThree years experiment with the same tin oxide sensor arrays for the identification of malodorous sources in the environment
Romain, Anne-Claude ULg; Nicolas, Jacques ULg; Andre, Philippe ULg

in Sensors and actuators. B, Chemical (2002), (84), 271-277

The paper discusses the ability of recognition models to classify malodours in the environment 3 years after their calibration, with the same sources releasing odours. Two methodologies applicable either ... [more ▼]

The paper discusses the ability of recognition models to classify malodours in the environment 3 years after their calibration, with the same sources releasing odours. Two methodologies applicable either in the lab or in the field are used. The effect of the long term drift of the sensors is highlighted on the results of principal component analysis (PCA) and of discriminant function analysis (DFA). The paper examines also the applicability of some drift counteraction methods proposed in the literature. Handled with some care, a correction based on the drift direction in the principal components subspace should be applicable to the classification of real odorous sources in the field. [less ▲]

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See detailAortofemorographie par resonance magnetique nucleaire versus arteriographie conventionnelle: evaluation prospective.
NCHIMI LONGANG, Alain ULg; Brisbois, D.; Donkers, E. et al

in JBR-BTR : organe de la Societe royale belge de radiologie (SRBR) = orgaan van de Koninklijke Belgische Vereniging voor Radiologie (KBVR) (2002), 85(5), 246-51

PURPOSE: To determine how far MRA of lower limbs obviates the need for pre-therapeutic DSA. MATERIALS AND METHOD: Three-step 3-D gadolinium enhanced aortofemorography with a moving bed was prospectively ... [more ▼]

PURPOSE: To determine how far MRA of lower limbs obviates the need for pre-therapeutic DSA. MATERIALS AND METHOD: Three-step 3-D gadolinium enhanced aortofemorography with a moving bed was prospectively compared to DSA in 49 consecutive patients (40 males, 9 females; age range 38-80 years; mean age 64 years). According to Leriche and Fontaine's clinical gradation of lower limb ischemia, 5 patients were graded I, 37 graded II, 4 graded III, and 3 graded IV. Two observers graded stenoses for DSA and three for MRA. Cohen's kappa statistics were used to evaluate interobserver variability using MRA, as well as to compare MRA to DSA. In addition, sensitivity, specificity, positive and negative predictive values of MRA for the assessment of stenosis superior to 80% were calculated by using DSA as a gold standard, respectively for arterial trunks above and below the level of the knees. RESULTS: Overall accuracy of MRA was 92%. Comparison of DSA and MRA yielded a kappa value of 0.87 (0.95 for arterial trunks located above the level of the knees and 0.75 below). Interobserver agreement was very good. Sensitivity, specificity, positive and negative predictive values of MRA for the diagnosis of > 80% stenosis were respectively 98, 98, 85 and 99% above the level of the knees and 87, 91, 77 and 96% below the knees. CONCLUSION: MRA can be considered as valuable technique for the evaluation of peripheral arterial obstructive disease, especially for stenosis located above the level of the knees. [less ▲]

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See detailRevue bibliographique: les methodes chimiques d'identification et de classification des champignons.
Verscheure, M.; Lognay, Georges ULg; Marlier, M.

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2002), 6(3), 131-142

For few years, advancements of molecular methods and analytical techniques enabled scientists to realise a classification of microorganisms based on biochemical characteristics. This classification ... [more ▼]

For few years, advancements of molecular methods and analytical techniques enabled scientists to realise a classification of microorganisms based on biochemical characteristics. This classification, called chemotaxonomy, includes molecular methods and chemical methods which provide additional data and lead to a better identification and/or classification. [less ▲]

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See detailRandomized controlled study of the influence of two low estrogen dose oral contraceptives containing gestodene or desogestrel on carbohydrate metabolism.
Ludicke, Frank; Gaspard, Ulysse ULg; Demeyer, Fabienne ULg et al

in Contraception (2002), 66(6), 411-5

This study compared the impact on carbohydrate metabolism of two combinedoral contraceptives (COCs). This open-label, single-center trial enrolled participants for a total of 15 cycles. Thirty-six women ... [more ▼]

This study compared the impact on carbohydrate metabolism of two combinedoral contraceptives (COCs). This open-label, single-center trial enrolled participants for a total of 15 cycles. Thirty-six women were randomized to receive either 20 microg ethinyl estradiol (EE) and 75 microg gestodene (GSD) or 20 microg ethinyl estradiol and 150 microg desogestrel (DSG) daily for 21 days out of 28. A glucose tolerance test was performed at baseline and cycles 6 and 13. The area under the curve (AUC) for glucose increased in both study groups. The change was statistically significant (p = 0.036) for the 20 EE/75 GSD group at cycle 6 versus baseline. Fasting blood glucose at cycle 13 was significantly (p < 0.01) higher for both treatment groups compared to baseline. No changes were found for fasting insulin and fasting C-peptide levels or for the AUCs of insulin or C-peptide. Both regimens were well tolerated. Gestodene and desogestrel in combination with 20-microg ethinyl estradiol induce similar changes in carbohydrate metabolism which are smaller than those described earlier for COCs containing higher estrogen doses or more androgenic progestins such as levonorgestrel. [less ▲]

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See detailEvaluation of the Hycel Diagnostics Diana-5 Hematology Analyzer
Boemer, François ULg; Cielniaszek, Nadine; Paulus, Jean-Michel ULg et al

in Laboratory Hematology : Official Publication of the International Society for Laboratory Hematology (2002), 8

The Hycel Diagnostics Diana-5, a compact 5-part differential hematology analyzer, was evaluated in the hematology laboratory of Liège University Hospital, Belgium. Within-and between-batch precision ... [more ▼]

The Hycel Diagnostics Diana-5, a compact 5-part differential hematology analyzer, was evaluated in the hematology laboratory of Liège University Hospital, Belgium. Within-and between-batch precision, linearity, and absence of carryover were all excellent. All parameters were stable for 48 hours at 4 ° C and for 8 hours at room temperature. Comparability of complete blood counts to Bayer Technicon Advia 120 measurements was highly satisfactory, with the exception of the mean cell volume, which was slightly underestimated by the Diana-5 compared to the Advia 120. Comparisons of differential leukocyte counts to 400-cell microscopic differentials were excellent for neutrophils, lymphocytes, and eosinophils and were acceptable for monocytes. The efficiency of the flagging system was high for the detection of blasts and less satisfactory for the detection of immature granulocytes and atypical lymphocytes. The instrument was reliable and easy to use. [less ▲]

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See detailFactor XIII a-positive dermal dendrocytes and shear wave propagation in human skin.
Hermanns-Lê, Trinh ULg; Uhoda, I.; Pierard, Claudine ULg et al

in European Journal of Clinical Investigation (2002), 32(11), 847-51

BACKGROUND: The in vivo interdependence between the phenotypic characteristics of dermal cells and the strain imposed on the tissue has not been studied thoroughly in humans. In particular the mechanical ... [more ▼]

BACKGROUND: The in vivo interdependence between the phenotypic characteristics of dermal cells and the strain imposed on the tissue has not been studied thoroughly in humans. In particular the mechanical force modulation of Factor XIII a expression in dermal dendrocytes (DD) remains unknown. MATERIALS AND METHODS: The present study compares the numerical density of Factor XIII a-positive DD and the in vivo shear wave velocity in the skin. The investigation was performed in 20 men of normal weight and 20 obese men before and after entering a slimming process. RESULTS: Excess cutaneous fat places the skin under increased intrinsic tension. The resonance running time measurement (RRTM) and the DD density were significantly reduced in overweight individuals. After a short-term but intense slimming process, the same individuals showed a trend to normalization of these two parameters without, however, reaching significance. Pooling all data yielded a significant logarithmic correlation between RRTM values and densities in Factor XIII a-positive DD. CONCLUSION: Factor XIII a expression in human DD may be partially regulated by the intrinsic resting tensions in the skin. [less ▲]

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See detailContrôle de l'hypertension artérielle: peut-on faire mieux?
Krzesinski, Jean-Marie ULg

in Journal de Cardiologie = Tijdschrift voor Cardiologie (2002), 14(5), 180-181

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See detailConfirmation des effets délétères rénaux des AINS anti COX2 illustrée par trois cas cliniques
Piront, P.; Krzesinski, Jean-Marie ULg

in Acta Clinica Belgica (2002), 57(1), 35

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See detailEnergy Partitioning Between Latent And Sensible Heat Flux During The Warm Season At Fluxnet Sites
Wilson, Kell B.; Baldocchi, Dennis D.; Aubinet, Marc ULg et al

in Water Resources Research (2002), 38(12),

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See detailRecension de l'ouvrage collectif, "L'art et l'hybride"
Steinmetz, Rudy ULg

in Cahiers Internationaux de Symbolisme (2002)

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See detailDiagnostic et traitement du syndrome hépatorénal
Gielen, Sabine; Delwaide, Jean ULg; Detry, Olivier ULg et al

in Médecine et Hygiène (2002), 60

Le syndrome hépatorénal (SHR) est une insuffisance rénale propre au patient porteur d’une hépatopathie chronique à un stade avancé. Le mécanisme physiopathologique, encore imparfaitement connu, associe ... [more ▼]

Le syndrome hépatorénal (SHR) est une insuffisance rénale propre au patient porteur d’une hépatopathie chronique à un stade avancé. Le mécanisme physiopathologique, encore imparfaitement connu, associe une vasoconstriction rénale à une vasodilatation splanchnique. Aucun examen n’est spécifique au SHR qui reste ainsi un diagnostic d’exclusion. Le pronostic du SHR est très sombre, l’évolution spontanée étant presque toujours fatale en moyenne dans le mois du diagnostic. La transplantation hépatique représente le traitement idéal mais est d’application limitée étant donné la courte survie des patients. Depuis peu, un traitement médical combinant un vasoconstricteur splanchnique, la terlipressine, et un expanseur plasmatique, l’albumine, donne des résultats favorables, permettant au patient de survivre jusqu’à la transplantation hépatique. [less ▲]

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See detailOptimization and validation of arsenic determination in foods by hydride generation flame atomic absorption spectrometry
Kabengera, C.; Bodart, P.; Hubert, Philippe ULg et al

in Journal of AOAC International (2002), 85(1, Jan-Feb), 122-127

A hydride generation flame atomic absorption spectrometric method was developed and optimized to quantitate arsenic (As) in foods. A wet digestion of the samples with HNO3 + H2O2 was performed and excess ... [more ▼]

A hydride generation flame atomic absorption spectrometric method was developed and optimized to quantitate arsenic (As) in foods. A wet digestion of the samples with HNO3 + H2O2 was performed and excess oxidants were eliminated by addition of hydrochloric acid and urea. As5+ in As3+ was then reduced by potassium iodide. The As3+ solution was analyzed by generation of arsine with sodium tetrahydroborate. As determination ranged from 2.5 to 20 microg/L, with a determination coefficient of 0.997. The limits of detection (LOD) and quantitation (LOQ) were 0.6 and 2.1 microg/L, respectively. The method was validated and good results were obtained for recovery, precision, accuracy, LOD, and LOQ. This method is now used to analyze foods from Rwanda. [less ▲]

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See detailNormative and psychometric data from the Body Image Assessment - Revised in a population of french-speaking women
Bragard, Isabelle ULg; Mayers, I.; Demoulin, Catherine et al

in Psychologica Belgica (2002), 42(4), 227-249

This article concerns the creation of norms and the validation in French of the Body Image Assessment – Revised (BIA-R; Beebe, Holmbeck, & Grzeskiewicz, 1999). The sample comprised 100 normal female ... [more ▼]

This article concerns the creation of norms and the validation in French of the Body Image Assessment – Revised (BIA-R; Beebe, Holmbeck, & Grzeskiewicz, 1999). The sample comprised 100 normal female subjects. They completed questionnaires assessing body experience, eating pathology, psychological functioning, general perception and the BIA-R (Beebe et al., 1999). This test consists of nine silhouettes from which the subject has to choose the somatotype corresponding to her actual shape (cognitive response), the way she feels (affective response) and the way she would like to look (optative response). The results show a good concurrent validity for the cognitive and affective indices and the affective/ cognitive vs. optative divergences. On the other hand, we were not able to demonstrate such validity for the optative index and the affective vs. cognitive divergence index [less ▲]

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See detailEffects of peripartum dietary supplements on productive/reproductive parameters in plasma concentration of insulin-like growth factor (IGF)-I in camels.
Hammadi, M.; Khorchani, T.; Moslah, M. et al

in Advances in Reproduction (2002), 6

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See detailPour une sémiologie historique de l'acte photographique
Havelange, Carl ULg

in Revue de la Faculté des Lettres d'El Jadida (2002)

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See detailNew silica based polymeric systems designed for the solid-liquid extraction of uranyl ions
Caprasse, F.; Leroy, Delphine ULg; Martinot, Lucien et al

in Journal of Materials Chemistry (2002), 12(1), 137-142

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See detail'Pretty Happy!'
Delville, Michel ULg

in Literary Review (2002), 46(1), 196-199

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See detailPhytoremediation to increase the degradation of PCBS and PCDD/Fs
Campanella, Bruno ULg; Bock, Claudia; Schröder, Peter

in Environmental Science and Pollution Research (2002), 9

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See detailUntersuchung von Spaltungs- und Koaleszenzvorgängen in einer Messzelle mit pulsierten Füllkörpern
Klinger, S; Henschke, M; Pfennig, Andreas ULg

in Chemie Ingenieur Technik (2002), 74(3), 256-261

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See detailUtilisation du bootstrap pour les problèmes statistiques liés à l'estimation des paramètres.
Palm, Rodolphe ULg

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2002), 6(3),

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See detailObesity and liver disease.
Scheen, André ULg; Luyckx, Françoise ULg

in Best practice & research. Clinical endocrinology & metabolism (2002), 16(4), 703-16

Non-alcoholic steatohepatitis (NASH) is a disease of emerging identity and importance. It is frequently associated with obesity, especially visceral fat, and is intimately related to fatty liver and ... [more ▼]

Non-alcoholic steatohepatitis (NASH) is a disease of emerging identity and importance. It is frequently associated with obesity, especially visceral fat, and is intimately related to fatty liver and markers of the insulin resistance syndrome. Both the prevalence and the severity of liver steatosis are related to body mass index, waist circumference, hyperinsulinaemia, hypertriglyceridaemia and impaired glucose tolerance or type 2 diabetes. The identification of obese patients who may progress from steatosis to NASH and from NASH to fibrosis/cirrhosis is an important clinical challenge. Substantial weight loss is accompanied by a marked attenuation of insulin resistance and related metabolic syndrome and, concomitantly, by a remarkable regression of liver steatosis in most patients, although increased inflammation may be detected in some subjects. Thus, NASH may be considered as another disease of affluence, as is the insulin resistance syndrome, and perhaps being part of it, especially in obese patients. [less ▲]

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See detailLa guerre et la médecine d'une culture de paix. 5. Synopsis des armes non létales.
Pierard, Gérald ULg

in Revue Médicale de Liège (2002), 57(3), 176-8

Non lethal weapons may be harmful for people. The effects are accidental in some instances. For some weapons, they are clearly intentional. The eventuality of a fatal issue cannot be ruled out.

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See detailModellierung von Faserbett-Koaleszenzabscheidern
Speth, H; Pfennig, Andreas ULg; Chatterjee, M et al

in Chemie Ingenieur Technik (2002), 74(3), 266-270

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See detailThe genetic absence epilepsy rat from Strasbourg (GAERS), a rat model of absence epilepsy: Computer modeling and differential gene expression
Lakaye, Bernard ULg; Thomas, E.; Minet, Arlette ULg et al

in Epilepsia (2002), 43(Suppl. 5), 123-129

Purpose: We present results obtained by computer modeling of the thalamic network and differential gene expression analysis in a rat strain with absence epilepsy, the genetic absence epilepsy rat from ... [more ▼]

Purpose: We present results obtained by computer modeling of the thalamic network and differential gene expression analysis in a rat strain with absence epilepsy, the genetic absence epilepsy rat from Strasbourg (GAERS). Methods: (a) Computer modeling used equations from the Hodgking-Huxley model with a circuit of 13 reticular thalamic (nRt) and 39 thalamocortical (TC) neurons; (b) gene-expression analysis using differential mRNA display (DD), in situ hybridization, Northern blotting, and competitive reverse transcriptase-polymerase chain reaction (RT-PCR). Results: (a) Computer modeling showed an increased network synchrony in the thalamic circuit as the value of conductance of low-voltage activated calcium channel (LVACC) is increased. (b) Using differential mRNA display, a 40% upregulation of the H-ferritin mRNA in the hippocampus was demonstrated. Looking for some candidate genes of the VACC family, no difference was found in the alpha1G mRNA expression between GAERS and control animals, whereas a decreased expression of the alpha1E subunit was observed in the cerebellum and the brainstem of the GAERS. This phenomenon was not observed in young animals when the epileptic phenotype is not expressed. Conclusions: The use of computer modeling appeared to be an efficient way to evaluate the impacts of electrophysiologic findings in vivo from single cells on an entire circuit. No clear single gene defect was revealed so far in GAERS. More information could arise from linkage analysis. However, some brain structures like hippocampus or cerebellum classically not known to be involved in the production of absence spike-and-wave discharges could in fact participate in the development of this phenotype. [less ▲]

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See detailLe traitement de la phraséologie dans DEFI
Michiels, Archibal ULg

in Linguistica Antverpiensia (2002)

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See detailPrimary Structure of Selected Archaeal Mesophilic and Extremely Thermophilic Outer Surface Layer Proteins
Claus, Harald; Akça, Erol; Debaerdemaeker, Tony et al

in Systematic & Applied Microbiology (2002), 25

The archaea are recognized as a separate third domain of life together with the bacteria and eucarya. The archaea include the methanogens, extreme halophiles, thermoplasmas, sulfate reducers and sulfur ... [more ▼]

The archaea are recognized as a separate third domain of life together with the bacteria and eucarya. The archaea include the methanogens, extreme halophiles, thermoplasmas, sulfate reducers and sulfur metabolizing thermophiles, which thrive in different habitats such as anaerobic niches, salt lakes, and marine hydrothermals systems and continental solfataras. Many of these habitats represent extreme environments in respect to temperature, osmotic pressure and pH-values and remind on the conditions of the early earth. The cell envelope structures were one of the first biochemical characteristics of archaea studied in detail. The most common archaeal cell envelope is composed of a single crystalline protein or glycoprotein surface layer (S-layer), which is associated with the outside of the cytoplasmic membrane. The S-layers are directly exposed to the extreme environment and can not be stabilized by cellular components. Therefore, from comparative studies of mesophilic and extremely thermophilic S-layer proteins hints can be obtained about the molecular mechanisms of protein stabilization at high temperatures. First crystallization experiments of surface layer proteins under microgravity conditions were successful. Here, we report on the biochemical features of selected mesophilic and extremely archaeal S-layer (glyco-) proteins. [less ▲]

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See detailEtalonnage de la figure complexe de Rey sur une population d’enfants de six à douze ans
Garcet, Serge ULg; Deltour, Jean-Jacques; Remacle, Michel

in Revue Scientifique de l'AIGS (2002), 1

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See detailChilocorine D, a novel heptacyclic alkaloid from a coccinellid beetle (Chilocorus renipustulatus)
Laurent, Pascal ULg; Braekman, Jean-Claude; Daloze, Désiré et al

in Tetrahedron Letters (2002), 43(42), 7465-7467

Chilocorine D, a new heptacyclic 'dimeric' alkaloid, has been isolated from the coccinellid beetle Chilocorus renipustulatus and its structure determined by 1D and 2D NMR analyses. It is constituted of a ... [more ▼]

Chilocorine D, a new heptacyclic 'dimeric' alkaloid, has been isolated from the coccinellid beetle Chilocorus renipustulatus and its structure determined by 1D and 2D NMR analyses. It is constituted of a hippodamine moiety linked to a modified octahydro-azaacenaphtylene skeleton encompassing a seven-membered ring. [less ▲]

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See detailDes "dermatomycoses banales" qui ne pardonnent pas.
Braham, C.; Fraiture, A. L.; Quatresooz, Pascale ULg et al

in Revue Médicale de Liège (2002), 57(5), 317-9

Two young adults presented an interdigital intertrigo and a dyschromic nail alteration, respectively. They were adept of intense sport swimming in pools. Lesions had been misdiagnosed as athlete's foot ... [more ▼]

Two young adults presented an interdigital intertrigo and a dyschromic nail alteration, respectively. They were adept of intense sport swimming in pools. Lesions had been misdiagnosed as athlete's foot and onychomycosis, respectively. Several antifungal treatments had been tried without success. After many months of inadequate management, the dermatological examination revealed the presence of two malignant melanomas corresponding to the eroded acrolentiginous and nodular subungueal types, respectively. [less ▲]

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See detailRole of acetaldehyde in the discriminative stimulus effects of ethanol
Quertemont, Etienne ULg; Grant, Kathleen A

in Alcoholism, Clinical & Experimental Research (2002), 26(6), 812-817

Background: Acetaldehyde has been suggested to mediate some of the effects of ethanol. Acetaldehyde can be produced by the enzyme catalase within the brain after ethanol administration. The catalase ... [more ▼]

Background: Acetaldehyde has been suggested to mediate some of the effects of ethanol. Acetaldehyde can be produced by the enzyme catalase within the brain after ethanol administration. The catalase inhibitor 3-amino-1,2,4-triazole (AT) reduces the production of acetaldehyde, and AT administration can reduce a number of ethanol-induced behavioral effects; this suggests the involvement of acetaldehyde in these behaviors. However, a role for acetaldehyde in mediating the discriminative stimulus effects of ethanol remains unclear. Methods: The contribution of acetaldehyde to the discriminative stimulus effects of ethanol was investigated by use of a two-lever drug discrimination paradigm with food reinforcement. Male Long-Evans rats were trained to discriminate water from either 1.0 or 2.0 g/kg ethanol. Stimulus substitution tests were conducted with ethanol (0 –2.5 g/kg by gavage) and acetaldehyde (0–300 mg/kg intraperitoneally). A cumulative dose-response procedure was then used to investigate the effects of pretreatments with AT (0.5 and 1.0 g/kg intraperitoneally) on ethanol discrimination. Results: Acetaldehyde up to doses that decreased response rates (300 mg/kg) did not substitute for the discriminative stimulus effects of 1.0 or 2.0 g/kg ethanol. In addition, AT pretreatment did not affect the dose-response curves for ethanol discrimination. Conclusions: These results show that exogenous acetaldehyde administration does not produce discriminative stimulus effects that are similar to those of ethanol. Also, pretreatment with the catalase inhibitor did not affect the dose-response curve for ethanol discrimination, and this suggests that endogenously produced acetaldehyde does not contribute to the discriminative stimulus effects of ethanol. Together these results suggest that acetaldehyde does not mediate the discriminative stimulus effects of 1.0 to 2.0 g/kg ethanol. [less ▲]

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See detailEvolution des donnees maternelles et perinatales recueillies en routine entre 1980 et 1998 a la maternite de reference de Rutshuru en Republique democratique du congo. Deces maternels et interventions obstetricales.
Mugisho, Etienne; Dramaix, Michele; Porignon, Denis ULg et al

in Sante (Montrouge, France) (2002), 12(2), 247-51

This report is the first of 2 papers that analyse data routinely collected in the maternity ward of Rutshuru (democratic Republic of Congo). The present work describes the evolution of caesarean section ... [more ▼]

This report is the first of 2 papers that analyse data routinely collected in the maternity ward of Rutshuru (democratic Republic of Congo). The present work describes the evolution of caesarean section, maternal deaths and the associated risk factors. MATERIAL AND METHODOLOGY: Between 1980 and 1998, data on 13,042 deliveries were collected. Characteristics, mortality, morbidity of mothers and new-borns and obstetrical interventions were recorded. The statistical analyses applied included khi2, t-test, simple linear and multiple logistic regression. RESULTS: Fifteen percent had a caesarean section and 1.9% of women died. When referred to the expected births during the period, these numbers led to a ratio of 150 maternal deaths for 100,000 expected births and a ratio of caesarean section of 1.2%. At admission, 35% of the women presented at least one of the four risk factors used for reference. The proportion of women with at least one of the 4 risk factors went up from 26.1% to 39.5%. The proportion of caesarean sections went up from 1.9% to 34.1%. The proportion of maternal deaths remained constant except in 1988, 1994, 1995 and 1997. Three of the four reference factors, the Baudeloque diameter, parity and height were associated with caesarean section. Age only was associated with maternal death. Education and marital status were both associated with caesarean section and maternal death. CONCLUSION: This analysis shows high levels of maternal mortality and caesarean section. The authors recommend to analyse on a larger scale the value of the reference factors used in antenatal services and to standardise indications for the different obstetrical interventions. [less ▲]

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See detailMutations des localisations des services et mutations urbaines. Questionnements et perspectives
Merenne-Schoumaker, Bernadette ULg

in Revista de Geografia, Universidade Federal de Pernambuco (2002), 17(2), 41-56

The aim of this paper is to analyse the relationships between urban mutations and service locations. Work is developed in four times: facts, causes, consequences and prospects. Without doubt, the spatial ... [more ▼]

The aim of this paper is to analyse the relationships between urban mutations and service locations. Work is developed in four times: facts, causes, consequences and prospects. Without doubt, the spatial transfers of service activities can be considered as both, a cause and a consequence of urban sprawl. It is related to the release of mobility constraints, to the specific changes that affected many economic activities, and also to the new behaviours of many actors (customers/ visitors, property developers and public authorities). As this evolution is incompatible with the objectives of sustainable urban development, several action possibilities can be proposed: new management of the daily mobilities, reduction in space consumption and new governance. [less ▲]

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See detailAssessment of topical hypopigmenting agents on solar lentigines of Asian women.
Hermanns, Jean-François ULg; Petit, Ludivine; Pierard, Claudine ULg et al

in Dermatology : International Journal for Clinical & Investigative Dermatology (2002), 204(4), 281-6

BACKGROUND: So-called darkened age spots encompass distinct pathological processes. The efficacy of topical depigmenting agents is difficult to objectivate. OBJECTIVE: To assess the hypopigmenting effect ... [more ▼]

BACKGROUND: So-called darkened age spots encompass distinct pathological processes. The efficacy of topical depigmenting agents is difficult to objectivate. OBJECTIVE: To assess the hypopigmenting effect of three cosmetic formulations using objective biometrological methods. METHODS: 50 women of South-East Asian ancestry were enrolled in this pilot study. They had solar lentigines according to dermoscopic criteria. The lesions were treated by topical hypopigmenting formulations. Products were applied twice daily for 2 or 3 months. Assessments at 1-month intervals were made using narrow-band reflectance spectrophotometry, image analysis of video-recorded ultraviolet light reflection and photodensitometry- and image-analysis-assisted corneomelametry. RESULTS: A 20% azelaic acid formulation and another one containing 5% ascorbyl glucosamine, 1% kojic acid and alpha-hydroxyacid esters appeared inefficacious on solar lentigines. A stabilized soy extract showed a better although modest lightening effect when assessed by corneomelametry. The subclinical or faint mottled skin revealed by ultraviolet light examination better responded (p < 0.05) to treatments. CONCLUSION: Focal epidermal hyperpigmentation is better controlled by topical whitening agents when the increase in melanin content reflects a modest functional hyperactivity of melanocytes. [less ▲]

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See detailIn vitro production of adaline and coccinelline, two defensive alkaloids from ladybird beetles (Coleoptera : Coccinellidae)
Laurent, Pascal ULg; Braekman, Jean-Claude; Daloze, Désiré et al

in Insect Biochemistry and Molecular Biology (2002), 32(9), 1017-1023

In vitro experiments using [1-C-14] and [2-C-14] acetate were devised to study the biosynthesis of the defensive coccinellid alkaloids adaline and coccinelline in Adalia 2-punctata and Coccinella 7 ... [more ▼]

In vitro experiments using [1-C-14] and [2-C-14] acetate were devised to study the biosynthesis of the defensive coccinellid alkaloids adaline and coccinelline in Adalia 2-punctata and Coccinella 7-punctata, respectively. The labelled alkaloids obtained in these experiments had a specific activity about ten times higher than that of the samples obtained in feeding experiments. This in vitro assay has enabled us to demonstrate that these two alkaloids are most likely biosynthesised through a fatty acid rather than a polyketide pathway, that glutamine is the preferred source of the nitrogen atom and that alkaloid biosynthesis takes place in the insect fat body. [less ▲]

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See detailSynthesis of peptide-modified pyoverdins by a fluorescent Pseudomonas strain grown in isoleucine-supplemented medium
Ongena, MARC ULg; Jacques, Philippe ULg; De Pauw, Edwin ULg et al

in Letters in Peptide Science (2002), 8(1), 21-27

The pattern of pyoverdin-type siderophores produced by Pseudomonas putida BTP16 in iron-limited succinate medium supplemented or not with isoleucine was characterized by electrospray ionization mass ... [more ▼]

The pattern of pyoverdin-type siderophores produced by Pseudomonas putida BTP16 in iron-limited succinate medium supplemented or not with isoleucine was characterized by electrospray ionization mass spectrometry. Two new compounds were observed in culture supernatants from BTP16 grown in the presence of isoleucine. For both molecules, mass differences with pyoverdins originally synthesized by the strain were only interpreted considering the incorporation of Ile into the peptide chain. Further evidence supporting this phenomenon was provided by radioactivity incorporation in pyoverdins produced in the presence of C-14-labeled Ile. Our results are discussed in relation to the non-ribosomal mechanism supposed to be involved in the synthesis of these molecules. [less ▲]

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See detailIR-visible sum-frequency vibrational spectroscopy of Biphenyl-3 methylene thiol monolayer on gold and silver: effect of the visible wavelength on the SFG spectrum
Humbert, Christophe; Dreesen, Laurent ULg; Mani, A. A. et al

in Surface Science (2002), 502-503

We measured IR-visible sum-frequency generation spectra of CH3-(C6H4)2-(CH2)3-S-H (Biphenyl-3) self-assembled monolayers on a silver and a gold substrate. For the latter substrate, we observed different ... [more ▼]

We measured IR-visible sum-frequency generation spectra of CH3-(C6H4)2-(CH2)3-S-H (Biphenyl-3) self-assembled monolayers on a silver and a gold substrate. For the latter substrate, we observed different interference patterns between the resonant signal of the CH vibration and the non-resonant contribution of the substrate as a function of the visible beam wavelength. The non-linear response of the gold substrate is enhanced around 480 nm corresponding to the s-d interband transition. Such effect is not observed for the silver substrate the interband transition of which is located out of the investigated visible spectral range of 450-700 nm. [less ▲]

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See detailLe miracle 'flamand' n'est pas prêt-à-porter…
Lafontaine, Dominique ULg

in Cahiers du Service de Pédagogie Expérimentale (SPE) (2002), 9-10

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See detailMicro-organismes pathogènes et viande : la traçabilité alliée de la sécurité.
Daube, Georges ULg

in Extrait du Bulletin de la Société Royale des Sciences de Liège (2002), 1

Meat microbial contamination is frequent in relation to the multiple sources of contamination farm the farm to the fork. These potential hazards must be considered in term of real risk for the consumer ... [more ▼]

Meat microbial contamination is frequent in relation to the multiple sources of contamination farm the farm to the fork. These potential hazards must be considered in term of real risk for the consumer. Thus, each microbiological hazard must be c1assified by scientists by on going probability and by disease gravity. Belgium has developed a high quality surveillance system for the zoonotic agents along the meat production chain. Today, the authorities must make the adequate choices for prevention and communication about these risks. [less ▲]

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See detailMagnetic and transport measurements on melt-textured DyBCO single domains
Vanderbemden, Philippe ULg; Misson, Vincent; Ausloos, Marcel ULg et al

in Physica C: Superconductivity (2002), 372(Part 2), 1225-1228

In this communication we report critical current measurements of melt processed DyBa2Cu3O7-x samples determined by several measuring techniques. First the material was characterized by AC susceptibility ... [more ▼]

In this communication we report critical current measurements of melt processed DyBa2Cu3O7-x samples determined by several measuring techniques. First the material was characterized by AC susceptibility and DC magnetization. The results are characteristic of good quality melt-processed (RE)BCO material with T-c = 89 K and Jc(77 K, 1 T) = 10^4 A/cm^2. Next, pulsed currents were used in order to determine both I-V curves and transport critical currents. The origin of the discrepancy between transport and magnetic data has been discussed. The results point out significant local variations of the critical current density throughout the single domain. (C) 2002 Elsevier Science B.V. All rights reserved. [less ▲]

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See detailHu, Luojia , Estimation of a censored dynamic panel data model,Econometrica. Journal of the Econometric Society
Rochus, Pierre ULg

in Mathematical Reviews [=MR] (2002), 70(6), 2499--2517

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See detailLe mélange épicéa-douglas, une association intéressante pour le sylviculteur ? 1ère partie
Colson, Vincent ULg; Claessens, Hugues ULg; Pauwels, D. et al

in Silva Belgica (2002), 109(3), 34-38

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See detailStunting may determine the severity of malaria-associated anemia in African children.
Verhoef, Hans; West, Clive E; Veenemans, Jacobien et al

in Pediatrics (2002), 110(4), 48

OBJECTIVE: Evidence from previous studies that malnourished children are protected against malaria is controversial. In individuals repeatedly exposed to malaria, immunity may develop first against severe ... [more ▼]

OBJECTIVE: Evidence from previous studies that malnourished children are protected against malaria is controversial. In individuals repeatedly exposed to malaria, immunity may develop first against severe disease, then against pyrogens, and last, against parasites. If this is true, this would suggest that reduced immune function that may exist in stunted children exacerbates the severity of malarial signs and symptoms, rather than the occurrence of parasitemia. On the other hand, several studies have suggested that malnourished children are protected to some degree against malaria. Our aim was to evaluate whether observational data support the hypothesis that nutritional inadequacies that cause stunting modify the associations between malaria and hematologic indicators such as hemoglobin concentration and serum concentrations of C-reactive protein and soluble transferrin receptor (sTfR). We showed earlier that increased serum concentrations of these receptors in asymptomatic malaria may be explained, at least in part, by increased erythropoiesis to compensate for malaria-induced hemolysis. METHODOLOGY: Community-based cluster survey among Kenyan children aged 2 to 36 months asymptomatic for malaria or anemia (n = 318). RESULTS: When adjusted for age and wasting, the malaria-associated decrease in mean hemoglobin concentration was 8.5 g/L and 15.8 g/L in nonstunted and stunted children, respectively. The malaria-associated increase in geometric mean serum concentrations of sTfR was 1.1-fold and 1.8-fold in nonstunted and stunted children, respectively. The malaria-associated increase in geometric mean serum concentrations of C-reactive protein was 1.4-fold and 2.3-fold in nonstunted and stunted children, respectively. Thus, children with malaria and those who were stunted suffered from more severe anemia and had higher serum concentrations of C-reactive protein and sTfR than would be expected from the combined effect of the 2 working independently. CONCLUSIONS: Our results are consistent with the notion that the nutritional inadequacies causing stunting also impair host immunity, thus increasing the degree to which malaria is associated with decreased concentrations of hemoglobin, with increased inflammation, and with increased iron demand in developing erythroblasts. Increased intake of micronutrients may not only reduce stunting and nutritional anemia, but also reduce malaria-associated anemia. [less ▲]

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See detailDe la pluridisciplinarité à l'interdisciplinarité. Réflexions critiques sur la formation des enseignants en sciences sociales
Guillaume, Jean-François ULg; Barras, Dominique; Xhonneux, Michel ULg

in Puzzle (2002), 11

Réflexion sur le dispositif de formation des enseignants en sciences sociales, à l'Université de Liège, et sur les conditions requises pour une approche "interdisciplinaire".

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See detailIncreased Cell Proliferation, But Not Reduced Cell Death, Induces Lymphocytosis In Bovine Leukemia Virus-Infected Sheep
Debacq, C.; Asquith, B.; Kerkhofs, P. et al

in Proceedings of the National Academy of Sciences of the United States of America (2002), 99(15),

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See detailPrognosis of hematologic malignancies does not predict intensive care unit mortality.
MASSION, Paul ULg; Dive, Alain M; Doyen, Chantal et al

in Critical Care Medicine (2002), 30(10), 2260-70

OBJECTIVE: To evaluate the correlation between specific prognosis of hematologic malignancies on the one hand and intensive care unit and hospital mortality in critically ill patients with hematologic ... [more ▼]

OBJECTIVE: To evaluate the correlation between specific prognosis of hematologic malignancies on the one hand and intensive care unit and hospital mortality in critically ill patients with hematologic malignancies on the other hand. DESIGN: Observational study during a 10-yr period. SETTING: A 22-bed medical-surgical intensive care unit. PATIENTS: A total of 84 consecutive patients with nonterminal hematologic malignancies with medical complications requiring intensive care. INTERVENTIONS: None. MEASUREMENTS: Demographic factors, acute physiology and organ dysfunction scores, microbiology, therapeutic support, and hematologic factors data on admission and during the intensive care unit stay were collected, together with mortality follow-up. Based on specific-disease prognostic factors and related published survival curves, the prognosis of hematologic malignancies was assessed and defined as good, intermediate, or poor according to a 3-yr survival probability of >50%, 20-50%, or <20%, respectively. MAIN RESULTS: Prognosis of hematologic malignancies does not predict intensive care unit or hospital mortality and almost reaches significance for 6-mo mortality (53%, 71%, and 84% rate for patients with good, intermediate, and poor prognosis, respectively, p =.058), but it determines long-term survival (p =.008). Intensive care unit, hospital, and 6-mo overall mortality rates were 38%, 61%, and 75%, respectively. Using multivariate analysis, intensive care unit mortality was best predicted on admission by respiratory failure and fungal infection, whereas hospital mortality was predicted by the number of organ failures, the bone marrow transplant status, and the presence of fungal infection. The Acute Physiology and Chronic Health Evaluation II and the Simplified Acute Physiology Score II had no prognostic value, whereas the difference of the Multiple Organ Dysfunction Score between at the time of admission and at day 5 allowed quick prediction of hospital mortality. Diseases with the poorest 6-mo prognosis were acute myeloid leukemia and non-Hodgkin lymphoma. CONCLUSION The severity of the underlying hematologic malignancies does not influence intensive care unit or hospital mortality. Short-term prognosis is exclusively predicted by acute organ dysfunctions and by a pathogen's aggressiveness. Therefore, reluctance to admit patients with nonterminal hematologic malignancies to the intensive care unit based only on the prognosis of their underlying hematologic malignancy does not seem justified. [less ▲]

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See detailLe contrat de travail et la signature électronique
Kefer, Fabienne ULg; Barth, H.

in Orientations : la Revue du Droit Social et de la Gestion du Personnel (2002)

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See detailVers de nouveaux modes de communication sur les risques
Brunet, Sébastien ULg; hupet, Pierre

in Sécurité au travail (2002), n°100(1), 566-573

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See detailComment gérer la police dans une période de changement?
Schoenaers, Frédéric ULg

in Revue Française de Gestion (2002), 3-4(139),

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See detailRésumé C.E. n°97.612, du 10 juillet 2001, SA ITM Belgium
Delnoy, Michel ULg

in Aménagement - Environnement (2002), 1

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See detailCarbon cycling and burial in the glacially influenced polar North Atlantic
Taylor, Justin; Tranter, Martyn; Munhoven, Guy ULg

in Paleoceanography (2002), 17(1), 1001

We have collated published records of carbon storage (wt% calcium carbonate and organic carbon) in polar North Atlantic sediments in order to assess the role that the glacial history of Greenland and ... [more ▼]

We have collated published records of carbon storage (wt% calcium carbonate and organic carbon) in polar North Atlantic sediments in order to assess the role that the glacial history of Greenland and Fennoscandia may have had on carbon cycling in this oceanographically important region. The proportion of carbonate in sediment varies between 0 and similar to 50%, while that of organic carbon varies between 0 and similar to 2.0%. The spatial variation of the concentration and accumulation of both constituents is markedly different. Bulk accumulation shows a strong relationship with depth, distance offshore, and the location of major glacial outlets on neighboring landmasses. Therefore, ice sheet dynamics and erosion influence carbon (especially organic carbon) storage strongly during the late Weichselian (27-12 C-14 ka) via their impact on sedimentation rates and constituents. In contrast, water mass characteristics are important in determining the pattern of carbon storage during the Holocene. Carbonate fluxes to the polar North Atlantic sediment Column fall by similar to50% during glacials to similar to 1.1 x 10(13) kg kyr(-1), but organic carbon storage is maintained at or greater than interglacial levels (similar to 4.6 x 10(11) kg kyr(-1)). This represents a 100% change in the ratio of preserved inorganic to organic carbon. When combined with reduced deep water ventilation, respiration of this relatively greater organic carbon flux in both the water and sediment columns provides a good explanation for the observed periodic enhanced dissolution of carbonate in polar North Atlantic late Weichselian sections. perhaps enhancing CO2 storage in deep waters. [less ▲]

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See detailAmélioration des ovins dans l'Ouémé et le Plateau en République du Bénin. Enjeux des croisements des ovins Djallonké avec les moutons du Sahel
Gbangboche, A. B.; Abiola, F. A.; Laporte, J.-P. et al

in Tropicultura (2002), 20(2), 70-75

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See detail'Love Poems for the Millennium'
Delville, Michel ULg

in Literary Review (2002), 46(1), 196-199

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See detailQuelques tournures péjoratives dans le débat philosophiques en sanskrit
Verpoorten, Jean-Marie ULg

in Indologica Taurinensia (2002)

Répertoire de 48 termes méprisants ou insultants utilisés par des philosophes antagonistes pour qualifier leurs adversaires et leurs doctrines. On notera d’ailleurs qu’il existe également des auteurs qui ... [more ▼]

Répertoire de 48 termes méprisants ou insultants utilisés par des philosophes antagonistes pour qualifier leurs adversaires et leurs doctrines. On notera d’ailleurs qu’il existe également des auteurs qui écrivent leurs œuvres en igorant toute polémique et toute attaque personnelle. Ainsi Maņḍanamiśra (vers 700.). D’autres, au nombre de 26 ci-après, se laissent aller à la critique personnelle (sans d’ailleurs citer l’opposant par son nom) et à l’invective. L’article énumère les mots ainsi utilisés dans l’ordre alphabétique du sanskrit et y joint un bref commentaire. Voici quelques exemples. Le bouddhiste Dignāga décrit ses adversaires comme de « mauvais logiciens » (kutarka) imbus de leurs vues erronées (abhimāna). Tout en utilisant le terme de « votre honneur » (āyuṣmant , tatrabhavant) , on traitera l’opposant de « fou » (unmatta, jaḍa, mūrkha, pramatta, manda, mūḍha), de « gosse » (bāla), d’ « animal » (paśu). A noter l’expression devānāṃpriya « chéri des dieux » synonyme de « fou », qui équivaut mutatis mutandis à « imbécile heureux ». On peut ajouter des expressions d’indignation et de mépris comme « ah, la grande folie ! propos totalement stupide, propos d’aveugle, divagation, énormité ». [less ▲]

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See detailIdentités et transactions réflexives. Une approche de l'identité des acteurs retraités
Vrancken, Didier ULg

in Recherches Sociologiques et Anthropologiques (2002), 2

A partir de l'identification d'une population, celle des retraités âgés entre 50 et 75 ans, population particulièrement confrontée à des problèmes de reconnaissance et d'identités sociales, cet article ... [more ▼]

A partir de l'identification d'une population, celle des retraités âgés entre 50 et 75 ans, population particulièrement confrontée à des problèmes de reconnaissance et d'identités sociales, cet article propose de repenser le concept d'identité en sociologie au départ d'un triple travail d'articulation identitaire qu'accomplirait l'acteur. Après avoir identifié une transaction narrative, une transaction argumentative, l'auteur dégage une troisième forme : celle de la tradition réflexive analysée à la suite de la tradition expressiviste allemande et de son dépassement par la critique herméneutique. C'est de cette triple articulation identitaire que rendrait compte une typologie proposée en conclusion. [less ▲]

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See detailNSAIDS : not just COX-2 inhibitors ?
Henrotin, Yves ULg

in Intern Clin Pract Series (2002), 19

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See detailFirst synthesis of a '1,2-diquinone-calix[4]arene'. Interaction of its reduced form with Ag+
Vataj, Rame; Ridaoui, Hassan; Louati, Alain et al

in Journal of Electroanalytical Chemistry (2002), 519(1-2), 123129

Electrochemical oxidation of 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-dihydroxycalix[4]arene (3), a calixarene with two phosphoryl units appended on proximal positions ... [more ▼]

Electrochemical oxidation of 5,11,17,23-tetra-tert-butyl-25,26-bis(diphenylphosphinoylmethoxy)-27,28-dihydroxycalix[4]arene (3), a calixarene with two phosphoryl units appended on proximal positions, affords the corresponding '1,2-diquinonecalix[4]arene' (4). The formation of 4 results from nucleophilic attack of residual water on anodically generated diphenoxylium. cations. Preliminary voltammetric experiments in CH3CN on a platinum electrode showed that 4 is suitable for electrochemical detection of the silver metal cation. (C) 2002 Elsevier Science B.V. All rights reserved. [less ▲]

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See detailA. Gacek: The Arabic manuscript tradition: A glossary of technical terms and bibliography
Bauden, Frédéric ULg

in Journal of the American Oriental Society (2002), 122(3), 658-659

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See detailSelf-esteem, social adjustment and suicidality in affective disorders
Daskalopoulou, E; Dikeos, D; Papadimitriou, G et al

in European Psychiatry (2002), 17

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See detaille nouvel article 65, alinéa 2 du code pénal et son application dans le temps
Monville, Pierre ULg

in Revue de Jurisprudence de Liège, Mons et Bruxelles (2002)

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See detailImpact des méthodes d'application sur l'efficacité d'un traitement à base de Pichia anomala souche K contre les maladies de post-récolte des pommes
Jijakli, Haissam ULg; Dickburt, Catherine; Lepoivre, Philippe ULg et al

in VIII journées scientifiquesBiotechnologies végétales: valorisation pour une agriculture durable (2002)

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See detailLa critique historique: méthode ou théorie de l'histoire? Libres propos en faveur du constructivisme
Havelange, Carl ULg

in Réseaux : Revue Interdisciplinaire de Philosophie Morale et Politique (2002), 94-95-96

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See detailN-(3-Phenoxy-4-pyridinio)methanesulfonamidate
Michaux, C.; Charlier, C.; Julémont, F. et al

in Acta Crystallographica (2002)

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See detailContribution à l'étude de la qualité bactériologique des eaux de surface à vocation touristique en Wallonie (Belgique)
Rosillon, Françis ULg; Culot, Marc ULg; Bosser, C. et al

in Cahiers de l'association scientifique européenne pour l'eau et la santé (2002), 7(1), 3-13

Au cours de la saison estivale 2000 et 2001, 33 zones récréatives en cours d'eau ont fait l'objet d'un suivi de la qualité bactériologique. Au-delà d'une simple surveillance, un profil de zone a été ... [more ▼]

Au cours de la saison estivale 2000 et 2001, 33 zones récréatives en cours d'eau ont fait l'objet d'un suivi de la qualité bactériologique. Au-delà d'une simple surveillance, un profil de zone a été établi. Celui-ci consiste à identifier et à hiérarchiser l'importance des sources de contamination fécale pouvant influencer la zone récréative. Lors d'événements pluvieux, une dégradation plus importante de la qualité des eaux a pu être mise en évidence. La diversité des sources de contamination implique une démarche multi-acteurs. A des actions ponctuelles de remédiation, s'ajoutent des mesures préventives d'accompagnement au sein de périmètres de protection. Une meilleure connaissance de la dynamique des germes fécaux dans le milieu naturel et du phénomène d'auto-épuration bactérienne devrait permettre de mieux définir les limites de ces périmètres de protection [less ▲]

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See detailAdvances in the field of COX-2 inhibition
De Leval, X.; Julémont, F.; Delarge, J. et al

in Expert Opinion on Therapeutic Patents (2002), 12

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See detailSyndrome du canal lent associe a une translocation autosomique 2q31-9p27.
Zeevaert, Bernard ULg; Hansen, Isabelle ULg; Crielaard, Jean-Michel ULg et al

in Revue Neurologique (2002), 158(5 Pt 1), 605-8

A 27-year-old man complained of cervicoscapular and forearm weakness and amyotrophy. Electromyographic evaluation showed neuromuscular transmission dysfunction and a repetitive compound muscle action ... [more ▼]

A 27-year-old man complained of cervicoscapular and forearm weakness and amyotrophy. Electromyographic evaluation showed neuromuscular transmission dysfunction and a repetitive compound muscle action potential to a single stimulus. Prostigmine did not improve neuromuscular transmission. The genetic analysis of the patient's lymphocytes demonstrated a chromosomic 2q31-9p27 translocation. The combination of the clinical and electrophysiological data as well as the lack of auto-immunity signs against neuromuscular junction constituents led to the diagnosis to congenital postsynaptic myasthenic syndrome also called slow channel syndrome. This congenital myasthenic syndrome is for the first time associated with an autosomal translocation 2q31-9p27. [less ▲]

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See detailBPDZ 154 Activates Adenosine 5’-Triphosphate-Sensitive Potassium Channels; In Vitro Studies Using Rodent Insulin-Secreting Cells and Islets Isolated from Patients with Hyperinsulinism
Cosgrove, K. E.; Antoine, M.-H.; Lee, A. T. et al

in Journal of Clinical Endocrinology and Metabolism (2002), 87

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See detailMechanisms of cell death in the injured auditory system: Otoprotective strategies
Lefèbvre, Philippe ULg; Malgrange, Brigitte ULg; Lallemend, François et al

in Audiology & Neuro-otology (2002), 7(3, May-Jun), 165-170

Oxidative stress insults such as neurotrophin withdrawal, sound trauma, hypoxia/ischemia, ototoxic antibiotics, and chemotherapeutic agents have been shown to induce apoptosis of both auditory hair cells ... [more ▼]

Oxidative stress insults such as neurotrophin withdrawal, sound trauma, hypoxia/ischemia, ototoxic antibiotics, and chemotherapeutic agents have been shown to induce apoptosis of both auditory hair cells and neurons. In this paper, we review some components of the apoptotic pathways leading to the death of hair cells and auditory induced by growth factor withdrawal or cisplatin intoxication: (1) reactive oxygen species and free radicals are formed as by-products of several metabolic pathways and these molecules can themselves cause cell damage by reacting with cellular proteins; (2) activation of caspases, and (3) activation of calpain. These mechanisms have several different points at which inhibitors could be targeted to protect cells from programmed cell death, including the prevention of oxidative stress-induced apoptosis and the activation of caspases and calpains. Copyright (C) 2002 S. Karger AG, Basel. [less ▲]

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See detailLatest discoveries in prostaglandin receptor modulators
Benoit, P.; De Leval, X.; Pirotte, Bernard ULg et al

in Expert Opinion on Therapeutic Patents (2002), 12

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See detailHormonal measurements in late pregnancy and parturition in dairy cows - possible tools to monitor foetal well being
Kornmatitsuk, B.; Veronesi, M. C.; Madej, A. et al

in Animal Reproduction Science (2002), 72(3-4), 153-164

Three dairy heifers (A, B and C) were induced to parturition with two prostaglandin (PG) F-2alpha injections on day 268 and 269 of pregnancy. Signs of approaching parturition were carefully observed. The ... [more ▼]

Three dairy heifers (A, B and C) were induced to parturition with two prostaglandin (PG) F-2alpha injections on day 268 and 269 of pregnancy. Signs of approaching parturition were carefully observed. The following parameters were registered: degrees of calving difficulty, date and time of parturition, calf's birth weight and calf's sex. Body temperature was measured and blood samples were taken every 3 h 3 days before the first PGF(2alpha) injection until 3 days after parturition. The plasma concentrations of the PGF2a metabolite, progesterone, cortisol, oestrone sulphate and pregnancy associated glycoproteins (PAGs) were analysed. Heifers A, B and C delivered 48, 51 and 57 h after the first PGF(2alpha) injection, respectively. Heifer A delivered without any signs of calving difficulty, whereas, the parturition was considered to be slight and moderate difficulty occurred in the delivery of heifers B and C, respectively. The calf of heifer C, without any abnormal gross-evidences, was stillborn. All animals had retained foetal membranes. A slight increase of the PGF(2alpha) metabolite at the time of parturition was found only in heifer C, whereas the levels dramatically increased in all animals 15-24 h after parturition. At the same time, progesterone levels decreased within 3 h after the first PGF(2alpha) injection (P < 0.05) and reached 0.8, 2.7 and 12.4 nmol/l at the time of parturition in heifers A, B and C, respectively. High release of cortisol at the time of parturition was seen in heifer C. Rising levels of oestrone sulphate around the time of parturition were recorded in all heifers, whereas, increasing levels of PAGs were recorded only in heifer A. In conclusion, the patterns of the PGF(2alpha) metabolite, cortisol, progesterone and PAGs were changed in the cases of calving difficulty and stillbirth after PGF(2alpha)-induction of parturition. However, the relationship between oestrone sulphate and PAGs and the status of foetal well being prior to parturition require further elucidation. (C) 2002 Elsevier Science B.V. All rights reserved. [less ▲]

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See detailStructural approach of the mechanism of inhibition of -chymotrypsin by coumarins
Wouters, J.; Huygens, M.; Pochet, L. et al

in Bioorganic & Medicinal Chemistry Letters (2002), 12

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See detailPestiviroses des petits ruminants. La maladie des frontières chez les ovins
Thiry, Etienne ULg; Buonavoglia, C.

in Point Vétérinaire (2002), 33

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See detailTransient behaviour of water ages in the World Ocean
Deleersnijder, Eric; Mouchet, Anne ULg; Delhez, Eric ULg et al

in Mathematical & Computer Modelling (2002), 36(1-2), 121-127

The transient behaviour of the age of the water and that of the surface water is studied in the World Ocean. At any time and position, the age of the water, the age and the concentration of the surface ... [more ▼]

The transient behaviour of the age of the water and that of the surface water is studied in the World Ocean. At any time and position, the age of the water, the age and the concentration of the surface water are seen to obey a simple algebraic relation. The latter is illustrated by means of results of a three-dimensional World Ocean model and the analytical solution of an idealised, purely-diffusive, one-dimensional problem. (C) 2002 Elsevier Science Ltd. All rights reserved. [less ▲]

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See detailComparison of the ability of three radioimmunoassay to detect pregnancy-associated glycoproteins in bovine plasma
Perenyi, Z. S.; Szenci, Otto; Sulon, Joseph ULg et al

in Reproduction in Domestic Animals (2002), 37(2), 100-104

Pregnancy-associated glycoproteins (PAGs) constitute a large family of glycoproteins that are synthesized in the superficial layer of the ruminant placenta according to a spatial and temporal expression ... [more ▼]

Pregnancy-associated glycoproteins (PAGs) constitute a large family of glycoproteins that are synthesized in the superficial layer of the ruminant placenta according to a spatial and temporal expression pattern. When PAGs are released in the maternal blood they can be used for pregnancy diagnosis, pregnancy follow-up and for the monitoring of the trophoblastic function. Three different radioimmunoassay systems (RIA 1, RIA 2 and RIA 3) using antisera produced against PAG I67 (RIA 1), PAG55+62 (RIA 2) and PAG55+59 (RIA 3) were used in this investigation in order to measure the PAG concentration in plasma samples withdrawn from pregnant cows and heifers during different periods following artificial insemination (AI). These systems were able to detect PAG molecules in the maternal blood as early as 21 days after AI in different concentrations (RIA 1: 0.43 +/- 0.24 ng/ml, mean +/- SD; RIA 2: 0.48 +/- 0.24 ng/ml; RIA 3: 0.64 +/- 0.37 ng/ml). On days 32 and 42 RIA 2 (4.30 +/- 1.32 ng/ml and 5.56 +/- 1.95 ng/ml) and RIA 3 (4.17 +/- 1.15 ng/ml and 5.60 +/- 1.89 ng/ml) presented significantly (p < 0.0001) higher PAG concentrations than those of RIA 1 (2.43 +/- 0.81 ng/ml and 4.01 +/- 1.48 ng/ml), respectively. After day 21, significant correlations (p < 0.0001; r >/= 0.929) were determined between the three systems. Additionally the three individual PAG profiles presented in this study showed that PAG molecules secreted in the maternal blood between 21 and 50 days after AI were better recognized by the RIA 2 and RIA 3 systems. This study clearly indicated that the ability of a RIA test to recognize PAG molecules in the maternal blood can be improved by carefully selecting the antiserum. [less ▲]

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See detailLes facteurs neurotrophiques : un mythe thérapeutique ?
Rogister, Bernard ULg

in Ahead in Neurology (2002), 5(1), 3-20

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See detailIntranasal infusion of enilconazole for treatment of sinonasal aspergillosis in dogs.
Zonderland, Jean-Luc; Stork, Christoph; Saunders, Jimmy et al

in Journal of the American Veterinary Medical Association [=JAVMA] (2002), 221

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See detailRole Of The Somatotropic Axis In The Mammalian Metabolism
Renaville, Robert ULg; Hammadi, M.; Portetelle, Daniel ULg

in Domestic Animal Endocrinology (2002), 23(1-2),

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See detailCuttings of the non-rooting rac tobacco mutant overaccumulate phenolic compounds
Faivre-Rampant, Odile; Charpentier, Jean Paul; Kevers, Claire ULg et al

in Functional Plant Biology (2002), 29(1), 63-71

The auxin and phenolic contents, as well as phenylalanine ammonia-lyase (PAL) activity, were determined in in vitro cultured shoots of the recalcitrant-to-root rac mutant of tobacco, and compared with ... [more ▼]

The auxin and phenolic contents, as well as phenylalanine ammonia-lyase (PAL) activity, were determined in in vitro cultured shoots of the recalcitrant-to-root rac mutant of tobacco, and compared with wild-type shoots. The mutant and wild-type shoots showed similar auxin changes during the culture cycle, but with higher contents for the mutant. A transient peak of auxin (corresponding to the achievement of the rooting inductive phase) occurred at day 14 in both types of shoots, but earlier in the basal parts of the wild-type stems. The rac shoots contained more phenolics, corresponding with an increased PAL activity. The most abundant phenolic compound found in the two types of tobacco was chlorogenic acid, which was more abundant in the rac shoots. Rutin was also detected at a higher concentration in the mutant shoots. Basal parts of wild-type shoots treated with 10(-3) chlorogenic acid reacted by accumulating auxins and, unlike untreated controls, did not form adventitious roots. The relationships between those biochemical analyses in relation to the growth limitation of the rac mutant, and the inhibition of its root development, are discussed. [less ▲]

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See detailInvasive tricholemmal carcinoma of the nose.
Van Zele, Dirk; Arrese Estrada, Jorge ULg; Heymans, Olivier et al

in Dermatology : International Journal for Clinical & Investigative Dermatology (2002), 204(4), 315-7

Tricholemmal carcinoma is a rare entity. It must be distinguished from the benign proliferating variant of the tricholemmal cyst. We report a case of tricholemmal carcinoma massively invading the nose ... [more ▼]

Tricholemmal carcinoma is a rare entity. It must be distinguished from the benign proliferating variant of the tricholemmal cyst. We report a case of tricholemmal carcinoma massively invading the nose. The neoplasm was excised surgically with a satisfactory outcome. [less ▲]

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See detailErratum: Evaluation of the hycel diagnostics diana-5 hematolgy analyzer. Laboratory Hematology (2002) vol. 8 (3) (126-133)
Boeme, F.; Cielniaszek, N.; Paulus, Jean-Michel ULg et al

in Laboratory Hematology : Official Publication of the International Society for Laboratory Hematology (2002), 8(4),

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See detailLa prescription des pensions alimentaires: fin d'une controverse. Note sous Cass., 8 décembre 2000
Kohl, Benoît ULg

in Revue Générale de Droit Civil Belge = Tijdschrift voor Belgisch Burgerlijk (2002)

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See detailA multistage field test of wheelchair users for evaluation of fitness and prediction of peak oxygen consumption
Vanderthommen, Marc ULg; Francaux, M.; Colinet, Cédrik et al

in Journal of Rehabilitation Research & Development (2002), 39(6, Nov-Dec), 685-692

An incremental multistage field test (MFT) for wheelchair users was developed to evaluate physical fitness and predict peak oxygen consumption (VO2). Using auditory feedback, the participants (n = 37 ... [more ▼]

An incremental multistage field test (MFT) for wheelchair users was developed to evaluate physical fitness and predict peak oxygen consumption (VO2). Using auditory feedback, the participants (n = 37) were directed to wheel around an octagonal course, increasing their velocity every minute until exhaustion. Wheelchair velocity and metabolic parameters were recorded with the use of a speedometer and a portable spirometer system. The average number of exercise levels performed (MFT score) was 9.17 +/- 5.81, resulting in a peak heart rate (HR) of 99.0 +/- 13.9% of the theoretical maximum. A test-retest analysis (n = 10) showed that the MFT was reliable regarding MFT score, peak VO2, and peak HR reached. Stepwise multiple regression based on individual, wheelchair, propulsion technique, and physiological parameters revealed that the MFT score was the best and only predictor of peak VO2 (mL/min/kg) (= 18.03 + 0.78 MFT score, r(2) = 0.59). The MFT assesses wheelchair mobility and estimates peak VO2 encountered during the test. [less ▲]

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See detailA propos d'immersion linguistique dans l'enseignement fondamental : un état de la question
Blondin, Christiane ULg; Straeten, M.

in Point sur la Recherche en Education (Le) (2002), 25

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See detailDes doutes nes apres le 11 septembre aux espoirs places dans l'euro....
Kulbertus, Henri ULg; Scheen, André ULg

in Revue Médicale de Liège (2002), 57(1), 1-2

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See detailModélisation de l’impact de mollusques filtreurs sur le phytoplancton de la Moselle.
Descy, Jean-Pierre; Everbecq, Etienne ULg; Gosselain, Véronique ULg et al

in Tribune de l'Eau (La) (2002), 55-56(n° 619-620), 130-138

Le modèle POTAMON (Everbecq & al., 2001) a été utilisé pour simuler l'effet de mollusques bivalves (principalement Dreissena polymorpha) sur le phytoplancton et le zooplancton d'une rivière de plaine, la ... [more ▼]

Le modèle POTAMON (Everbecq & al., 2001) a été utilisé pour simuler l'effet de mollusques bivalves (principalement Dreissena polymorpha) sur le phytoplancton et le zooplancton d'une rivière de plaine, la Moselle. Les simulations suggèrent un impact significatif des mollusques filtreurs sur le phytoplancton, en particulier en été. Les simulations ont également permis d'établir un bilan carbone de la rivière et d'expliquer les déficits en oxygène observés dans la Moselle. [less ▲]

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See detailL'iconographie du meurtre de saint Lambert de Liège
George, Philippe ULg

in Bulletin de la Société Royale Le Vieux-Liège (2002)

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See detailRecent developments in infectious bovine rhinotracheitis
Thiry, Etienne ULg; Lemaire, Mylène; Keuser, Véronique et al

in Cattle Practice (2002), 10

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See detailUpregulation of matrix metalloproteinase-9 in murine 5T33 multiple myeloma cells by interaction with bone marrow endothelial cells
Van Valckenborgh, E.; Bakkus, M.; Munaut, Carine ULg et al

in International Journal of Cancer = Journal International du Cancer (2002), 101

MM is a B-cell malignancy mainly characterized by monoclonal expansion of plasma cells in the BM, presence of paraprotein in serum and occurrence of osteolytic bone lesions. MMPs are a family of ... [more ▼]

MM is a B-cell malignancy mainly characterized by monoclonal expansion of plasma cells in the BM, presence of paraprotein in serum and occurrence of osteolytic bone lesions. MMPs are a family of proteolytic enzymes that can contribute to cancer growth, invasion, angiogenesis, bone degradation and other processes important in the pathogenesis of MM. We investigated MMP-9 production in the 5T33MM murine model. Expression of MMP-9 protein in supernatant and cell extracts was analyzed by gelatin zymography. The in vitro, stroma-independent variant 5T33MMvt showed no protein expression of MMP-9 in contrast to in vivo growing MM cells, 5T33MMvv. However, when 5T33MMvt cells were injected into naive mice and isolated after tumor take (5T33MMvt-vv), they secreted a significant amount of MMP-9. These results were confirmed by specific staining of cytospins with an anti-MMP-9 antibody. The MMP-9 production by 5T33MMvt-vv cells disappeared when the cells were recultured in vitro. These data demonstrated that upregulation of MMP-9 occurs in vivo and that this process is dependent on the microenvironment. Cocultures of 5T33MMvt cells with STR10 BMECs induced MMP-9 in MM cells, as determined by both gelatin zymography and flow-cytometric analysis. In conclusion, our results demonstrate that MMP-9 production by MM cells is upregulated in vivo by the interaction of MM cells with BMECs. [less ▲]

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See detailLe roman poétique en 1929. Nord, entre fantastique réel et réalisme magique
Denis, Benoît ULg

in Textyles : Revue des Lettres Belges de Langue Française (2002), (21), 31-40

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See detailDe Mably à Marin. Dans le dédale ornemental de l'imprimeur parisien Quillau (XVIIIe siècle)
Droixhe, Daniel ULg

in Livre et l'Estampe (Le) (2002), 48(158), 43-69

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