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1.
Article Dans Anglais | IMSEAR | ID: sea-19798

Résumé

In order to study the association between gastrin and H. pylori infection the density of antral G cells was evaluated by transcriptional expression of gastrin mRNA using a sensitive cold probe labelled with digoxigenin. the study group included 22 patients with symptomatic H. pylori positive gastritis and/or duodenal ulcer, 12 of whom were re-evaluated after eradication of H. pylori and 6 controls. The number of G cells per high power field in H.pylori positive patients (26.68 +/- 9.51) was significantly higher (P < 0.01) compared to controls (5.83 +/- 3.37). Among the 12 patients re-evaluated after H. pylori eradication, there was a significant decrease (P < 0.001) in the number of G cells (13.5 +/- 5.44) compared to pre-eradication value (26.25 +/- 8.0). The present study suggests that increased transcriptional expression of gastrin is directly related to H. pylori infection.


Sujets)
Adolescent , Adulte , Sujet âgé , Études cas-témoins , Femelle , Gastrines/génétique , Infections à Helicobacter/métabolisme , Helicobacter pylori , Humains , Mâle , Adulte d'âge moyen , ARN messager/biosynthèse , Transcription génétique
2.
Article Dans Anglais | IMSEAR | ID: sea-16266

Résumé

Studies on the preventive role of trifluoperazine on cholesterol and adrenaline-induced experimental atherosclerosis in rabbits, revealed that trifluoperazine completely prevented the development of atherosclerotic lesions in both the aorta and coronary arteries of animals administered atherogenic diet and adrenaline (im) despite the fact that this drug had no significant effect on the elevated serum lipid profile induced by atherogenic diet. These findings confirm earlier observations of the authors that trifluoperazine has an inherent capacity to prevent atherogenesis.


Sujets)
Animaux , Artériosclérose/induit chimiquement , Cholestérol/administration et posologie , Régime athérogène , Épinéphrine/administration et posologie , Lapins , Trifluopérazine/pharmacologie
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