References of "1996"
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See detailEssai de synthèse d'alcools allyliques optiquement actifs
Colaux, Catherine ULg

Master's dissertation (1996)

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See detailIn situ demonstration of germinal cell apoptosis during diethylstilbestrol-induced testis regression in adult male syrian hamsters
Nonclercq, D.; Reverse, D.; Toubeau, G. et al

in Biology of Reproduction (1996), 55(6), 1368-1376

Testis regression was induced in male Syrian hamsters by chronic exposure to diethylstilbestrol (DES), an estradiol-1713 agonist. Experimental groups (n = 4-5) were killed at increasing time intervals ... [more ▼]

Testis regression was induced in male Syrian hamsters by chronic exposure to diethylstilbestrol (DES), an estradiol-1713 agonist. Experimental groups (n = 4-5) were killed at increasing time intervals over a period of 6 mo after initiation of treatment. Apoptosis in testes was demonstrated by in situ analysis of DNA fragmentation. Cell proliferation was monitored by immunostaining nuclei of S-phase cells after pulse labeling with 5-bromo-2'-deoxyuridine. Levels of FSH and testosterone, measured by RIA, fell rapidly in DES-treated hamsters. In parallel, testis weight and seminiferous tubule area underwent an 80% decrease during the first 2 wk of DES administration. The composition of seminiferous epithelium was also drastically affected by DES, since it became progressively confined to Sertoli cells, spermatogonia, and spermatocytes. Testis regression was associated with an important increase of apoptosis, which started 3 days after the beginning of DES administration. Apoptosis was still 10- to 50-fold higher than in control testes by the end of treatment; it affected primarily spermatocytes and, to a much lesser extent, spermatogonia. Cell proliferation was not inhibited by chronic DES administration. In conclusion, these data indicate that apoptosis can by itself account for estrogen-induced testis regression. [less ▲]

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See detailLa situation actuelle de l'utilisation des pesticides dans les pays du Sud : problèmes et solutions
Deuse, J.P.L.; Schiffers, Bruno ULg; Cooper, J.F. et al

in Med. Fac. Landbouww. Univ. Gent (1996)

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See detailField evaluation of pregnancy diagnosis using bovine pregnancy-associated glycoprotein (bPAG)
Skinner, J. G.; Gray, D.; Gebbie, F. E. et al

in Cattle Practice (1996), 4(3), 281-284

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See detailEn deçà et au-delà du carnavalesque : le cas de Les Enfants du Limon de Raymond Queneau
Defays, Jean-Marc ULg

in Temps Mêlés. Documents Queneau (1996), 150+65-68(Printemps), 27-40

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See detailDémarche préventive d'une école du dos
Vanderthommen, Marc ULg; Drosson, C.; TOMASELLA, Marco ULg et al

in Kine 2000 (1996), 5(7),

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See detailStability-activity relationship : new perspectives
Feller, Georges ULg

Conference (1996)

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See detailLe commerce à Liège et à Leeds : double comparaison de pôles périphériques traditionnels
Halleux, Jean-Marie ULg

in Metton, A.; Lemarchand, N. (Eds.) Commerce et lien social. Actes du Colloque européen de Rouen (1996)

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See detailLa mémoire de la Révolution française en Belgique. Entre Liège et Wallonie.
Raxhon, Philippe ULg

Book published by Labor (1996)

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See detailDendrochronologie en Belgique et régions limitrophes
Houbrechts, David ULg; Hoffsummer, Patrick ULg

in Archaeologia mediaevalis (1996), 19

This is a presentation of dendrochronological analysis (1995) of laboratory of CEA (ULg) in the following towns: Binche (B), Brussels (B), Gent (B), Ham-sur-Heure-Nalinne (B), Huy (B), Liège (B ... [more ▼]

This is a presentation of dendrochronological analysis (1995) of laboratory of CEA (ULg) in the following towns: Binche (B), Brussels (B), Gent (B), Ham-sur-Heure-Nalinne (B), Huy (B), Liège (B), Maastricht (Nl), Raversijd (B), Saint-Hubert (B) and Wellin (B) [less ▲]

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See detailDe la phrase au texte dans l'enseignement d'une langue étrangère
Defays, Jean-Marc ULg

in Dialogues et cultures (1996), 40

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See detailDe la spécificité du discours comique
Defays, Jean-Marc ULg

in Français Moderne (Le) (1996), LXIV

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See detailThe Amen Corner and the Cajun & Zydeco Corner - News and reviews, Vidéos
Sacré, Robert ULg

Article for general public (1996)

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See detailUn nouveau département de français à l'Université de Liège : ses précédents, ses missions, ses projets, son équipe
Defays, Jean-Marc ULg

in Français 2000 : Le point sur le Français langue étrangère (1996), (150-151), 60-62

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See detailComparison of positron emission tomography and computed tomography in the mediastinal and extrathoracic staging of non-small cell lung cancer
PAULUS, Patrick; BURY, Thierry ULg; HUSTINX, Roland ULg et al

in Journal of Nuclear Medicine (The) (1996), 37

Comparison of positron emission tomography and computed tomography in the mediastinal and extrathoracic staging of non-small cell lung cancer

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See detailJoseph Istace, Menuisier ébéniste à Wavreille
Van Ruymbeke, Muriel ULg; Noel, André

in Mélanges Pierre Colman (1996)

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See detailA Morphometric and Functional Study of the Toxicity of Atmospheric Ammonia in the Extrathoracic Airways in Pigs
Urbain, B.; Gustin, Pascal ULg; Charlier, G. et al

in Veterinary Research Communications (1996), 20(4), 381-399

The effects of atmospheric ammonia (NH3) on the nasal and tracheal mucosa of pigs were investigated by morphometric and functional methods. Pigs were exposed to four concentrations of NH3 [5 (control), 25 ... [more ▼]

The effects of atmospheric ammonia (NH3) on the nasal and tracheal mucosa of pigs were investigated by morphometric and functional methods. Pigs were exposed to four concentrations of NH3 [5 (control), 25, 50 and 100 ppm] for 6 days in a specially designed air-pollutant exposure chamber. Samples were taken from the turbinates and the trachea, and the respiratory mucosa was examined by light and scanning electron microscopy. Dose-response curves to carbachol and isoproterenol were constructed using isolated strips of tracheal smooth muscle, with or without epithelium. In pigs exposed to ammonia, considerable mucosal injuries were observed in the turbinates but not in the trachea. The number of neutrophils in the epithelial layer and in the lamina propria, and epithelial hyperplasia were closely and significantly correlated with the concentrations of ammonia (r = 0.894, p < 0.001; r = 0.727, P < 0.001; and r = 0.818, p < 0.001, respectively). Except for the lamina propria, all these changes were significant (p < 0.05) at ammonia concentrations as low as 25 ppm. The percentage of the surface of the turbinate mucosa that was ciliated tended to decrease with increasing ammonia concentration (r = 0.439, p < 0.082). Ammonia induced smooth-muscle hyperresponsiveness to carbachol with a close linear correlation between individual values of the carbachol-induced maximal effect and the NH3 concentrations (r = 0.526, p < 0.003). While mechanical destruction of the epithelium induced an increase in Emax in the control group, no difference was observed between the intact and denuded strips from animals exposed to ammonia. The response to isoproterenol was not influenced by ammonia. It was concluded that quantitative histological analysis of the inflammatory infiltration and epithelial hyperplasia in the turbinates is a useful tool for quantifying the effects of atmospheric pollutants in pigs; a 6-day exposure to ammonia induces nasal irritation and functional disturbances of the tracheal smooth-muscle contractions at concentrations as low as 25 ppm [less ▲]

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