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  • Title: Enzyme immunoassay of gastric luminal prostaglandin E2 in duodenal ulcer disease.
    Author: Calabrò A, Orsini B, Fedi P, Falchini M, Surrenti C.
    Journal: Am J Gastroenterol; 1989 Jun; 84(6):629-32. PubMed ID: 2658552.
    Abstract:
    A highly sensitive enzyme immunoassay was used to determine gastric juice prostaglandin E2 (PGE2) levels in control subjects with or without gastritis and in both active or inactive duodenal ulcer patients. Mean pentagastrin-stimulated PGE2 concentration was significantly lower in patients with duodenal ulcer than in control subjects considered as a whole group (with or without gastritis). However, no such difference was found between duodenal ulcer patients and controls showing histologically normal gastric mucosa. On the other hand, controls with chronic superficial gastritis had PGE2 levels significantly higher than those of histologically normal subjects and duodenal ulcer patients. Therefore, it seems unlikely that an absolute gastric PGE2 deficiency is involved in the pathogenesis of duodenal ulcer disease. However, the possibility that PGE2 synthesis could be deficient in relation to the prevailing level of mucosal inflammation cannot be excluded.
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