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Influence of peripherally-administered peptides on ethanol-induced gastric ulcers in the rat
S Evangelista1, C A Maggi, A Meli
1Pharmacology Department, A. Menarini Pharmaceuticals, Firenze, Italia.
General Pharmacology
|January 1, 1987
Abstract:
1. Subcutaneous administration of bombesin (50-200 micrograms/kg), cholecystokinin-8 (10-100 micrograms/kg) and epidermal growth factor (10-100 micrograms/kg) but not calcitonin gene-related peptide (25 micrograms/kg), neurotensin (500 micrograms/kg) or substance P (200 micrograms/kg) produced a marked and dose-related inhibition of ethanol-induced gastric lesions in rats. 2. These actions were inhibited by a non-ulcerogenic dose of indomethacin suggesting that prostaglandins are involved in the protective activity of bombesin, cholecystokinin-8 and epidermal growth factor.