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. 1992;80(1-4):205-11.

Effect of acute surgical vagotomy on the mucosal content of 6-keto-PGF1 alpha, PGE2 and glutathione after intragastric 96% ethanol treatment in rats

G Sütö  1 , A Király, A Vincze, G Mózsik
Affiliations
  • PMID: 1345188

Effect of acute surgical vagotomy on the mucosal content of 6-keto-PGF1 alpha, PGE2 and glutathione after intragastric 96% ethanol treatment in rats

G Sütö et al. Acta Physiol Hung. 1992.

Abstract

It has been observed earlier that gastric cytoprotection produced by PGI2, beta-carotene, small doses of atropine or cimetidine has failed in surgically vagotomized rats. This phenomenon may be in connection with endogenous prostaglandins (PGs) and glutathione (GSH) level of the gastric mucosa. The aims of the study were to evaluate the effect of vagus nerve on the gastric mucosal 6-keto-PGF1 alpha, PGE2 and glutathione after intragastric 96% ethanol (ETOH) treatment. The observations were carried out on CFY rats. The gastric mucosal damage was produced by intragastric administration of 1 ml 96% ETOH. Acute bilateral surgical vagotomy (ASV) was carried out 30 min prior to ETOH application. The animals were sacrificed 1, 5, 15 or 60 min after ETOH installation. The number and the severity of gastric mucosal lesions were noted and 6-keto-PGF1 alpha, PGE2 an GSH contents of gastric mucosa were measured. It has been found that: 1. the number and the severity of gastric mucosal lesions were increased after ASV compared to those with intact vagal nerve, 2. 96% ETOH treatment increased both the gastric mucosal PGs and GSH levels, 3. 6-keto-PGF1 alpha peaked at 5 min PGE2 and GSH peaked at 15 min after ETOH treatment, 4. ASV decreased the gastric mucosal PGs content and delayed the peaks of PGE2 and GSH. It has been concluded that the decreased content of PGs and the delayed GSH increase may play a pathological role in the failure of gastric cytoprotection of rats after ASV.

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