Abstract

We studied the effect of dalargin and its analogue [Dala]2-leu-enkephalin on the gastric mucosa in indomethacin-receiving animals. Indomethacin treatment was followed by severe injury to the gastric mucosa, decrease in proliferative activity of the epithelium, and stimulation of free-radical processes in gastric tissues. Dalargin significantly decreased the area of erosive and ulcerative lesions, had a normalizing effect on proliferation of epithelial cells, and reduced the degree of oxidative stress. Administration of [Dala]2-leu-enkephalin did not improve the state of the gastric mucosa.

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