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  • Title: Mucus and pepsin role in gastric damage prevention by H2-receptor antagonists and antiulcer drugs.
    Author: Impicciatore M, Morini G, Chiavarini M, Plazzi PV, Agosti A, Soldani G.
    Journal: Acta Physiol Hung; 1984; 64(3-4):253-7. PubMed ID: 6152367.
    Abstract:
    The effects of cimetidine and ranitidine, alone or combined with sulglycotide or carbenoxolone, and those of 16,16-dimethyl prostaglandin E2 were investigated on mucosal lesions induced in pylorus-ligated rats. The drugs were administered orally after pylorus ligation; 3 hr later the animals were killed, the stomachs removed and examined for the presence of mucosal lesions. Volume, pH, total acidity, pepsin, free and barrier mucus were determined. H2-antagonists both at nonantisecretory and antisecretory doses failed to prevent gastric mucosal lesions or to affect significantly mucus and pepsin. Sulglycotide and carbenoxolone inhibited pepsin secretion, the latter enhanced barrier mucus and both reduced lesion severity. A nearly complete prevention of mucosal damage was observed after anti-secretory doses of cimetidine plus sulglycotide or carbenoxolone. Data obtained compared with those of 16,16-dimethyl prostaglandin E2 suggest that mucus and pepsin might have a partial role in ulcer prevention.
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