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  • Title: Serum gastrin concentration and changes in G and D cell densities in gastric antrum in children with chronic gastritis.
    Author: Czaja M, Szarszewski A, Kamińska B, Bogotko-Szarszewska M, Luczak G, Kozielska E, Delińska-Galińska A, Korzon M.
    Journal: Int J Clin Pract; 2008 Jul; 62(7):1044-9. PubMed ID: 17573842.
    Abstract:
    BACKGROUND: Elevated gastrin concentration leading to gastritis is explained as the effect of change in the density of D and G cells. The aim of the study was to determine and compare fasting serum gastrin concentrations, G and D cell densities in gastric antrum mucosa in children with chronic gastritis and in children with no gastritis or Helicobacter pylori infection. MATERIAL AND METHODS: A total of 184 patients aged 6-18 years, with chronic abdominal pain underwent endoscopic examination. We created three groups: I--patients with chronic gastritis and H. pylori infection; II--patients with chronic gastritis but no H. pylori infection; III--patients with neither gastric mucosal abnormalities nor H. pylori infection. G and D cell densities were determined in the biopsy specimens (using Rbalpha H Gastrin & Somatostatin antibodies). Fasting serum gastrin concentrations were measured using a Beckmann gamma-counter and a GASK-PR kit. RESULTS: The mean serum gastrin concentration in group I was higher when compared with group II (p = 0.04) and group III (p = 0.019). No statistically significant differences were found between groups II and III (p = 0.91). There were no statistically significant differences in G and D cell densities between groups. CONCLUSION: The mean G/D cell ratios in groups I and III were almost identical. The mean fasting serum gastrin concentration was higher in children with both chronic gastritis and H. pylori infection compared with patients without infection or without antral inflammation. No difference in the G cell density or D cell density in children was found, regardless of the presence or absence of gastritis or H. pylori infection.
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