Prostacyclin analog prevents stress-induced expression of immediate early genes and gastric mucosal lesions in the rat stomach
Abstract
Water immersion-restraint induced the expression of immediate early genes (IEGs) in the epithelial cells and smooth muscle cells of gastric wall of rats, in addition to its well-known effects of mucosal erosion. Pretreatment with a prostacyclin analog (beraprost), a proton pump inhibitor (lansoprazole) or a histamine H2 receptor antagonist (famotidine) prevented formation of gastric mucosal erosion, while only the prostacyclin analog inhibited expression of IEGs. The prostacyclin analog may prevent mucosal damages as well as molecular changes by ameliorating the mucosal microcirculation, and may have potential therapeutic applications.
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