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Original Article

Gastric Parietal, Chief, and G-Cell Densities in Chronic Renal Failure

, , , &
Pages 696-700 | Received 07 Mar 1990, Accepted 13 Feb 1991, Published online: 08 Jul 2009
 

Abstract

We calculated morphometrically the amount of antral gastrin-producing (G) cells and body parietal and chief cells in gastric biopsy specimens from 30 undialysed patients with chronic renal failure (CRF) and from sex- and age-matched controls. The CRF patients had raised fasting serum gastrin levels, whereas these were normal in the controls (mean, 290 ± 283 (±SD) ng/1 (n = 27) versus 33 ± 36 (n = 30)). Serum gastrin values of the patients and controls correlated positively with G-cell density (r = 0.501, n = 36, p = 0.002), as did the maximal acid output of the CRF patients with parietal cell density (r = 0.617, n = 14, p = 0.019). In CRF patients the densities of G, parietal, and chief cells were higher than those in the controls (G cells, 351 ± 151 (±SD) cells/mm2, n = 21 versus 211 ± 90, n = 16, p = 0.002; parietal cells, 299 ± 94, n = 15 versus 224 ±72, n = 14, p = 0.025; chief cells, 886 ± 346, n = 15 versus 743 ± 182, n = 14, p = 0.181). The results agree with previous findings indicating that hyposecretion of gastric acid in CRF does not derive from decreased capacity for acid secretion but rather from the inhibition of acid output. Increased parietal cell density in CRF patients gives cause to suspect that the maximum acid output might even be raised, possibly depending on the permanent hypergastrinaemic state with its trophic influence on the gastric body mucosa.

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