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  • Title: Somatostatin in mucosa of stomach and duodenum in gastroduodenal disease.
    Author: Chayvialle JA, Descos F, Bernard C, Martin A, Barbe C, Partensky C.
    Journal: Gastroenterology; 1978 Jul; 75(1):13-9. PubMed ID: 45575.
    Abstract:
    In order to study the distribution of somatostatin in the upper digestive tract in man, biopsies were taken through endoscopy or at surgery from the fundus, antrum, and duodenal bulb in 15 subjects with no gastroduodenal lesion, 12 patients with severe antral and/or fundic atrophy in the sampling area, 28 patients with an active duodenal ulcer, and 14 patients with a nonmalignant gastric ulcer. The specimens were extracted in 2 N acetic acid and tested for somatostatin content with a specific radioimmunoassay. In the control subjects, the somatostatin concentration (nanograms per milligram of wet weight) was 0.60 +/- 0.12 in the fundus, 1.68 +/- 0.33 in the antrum, and 1.35 +/- 0.30 in the duodenal bulb. Atrophy of the gastric mucosa was associated with a reduction of the somatostatin concentration in the fundus and the antrum. No significant variation was observed in the present series of patients with gastric ulcer. Duodenal ulcer was associated with a reduction of the somatostatin concentration in the antrum (P less than 0.02). These results indicate that somatostatin is widely distributed from fundus to duodenal bulb in adult human subjects, and that lower antral concentrations are observed in patients with duodenal ulcer.
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