Abstract
The effects of inflammatory cytokines induced byHelicobacter pylori infection on acid secretion have notbeen well defined. The purpose of this study was toinvestigate the direct effects of these cytokines on parietal cells isolated from guinea pigs. Weexamined the effects of human recombinant IL-1β(0.05-100 ng/ml), IL-8 (2-256 ng/ml), and TNF-α(0.625- 80 ng/ml) on acid secretion stimulated by three secretagogues (10-4 M histamine,10-4 M carbachol, and 10-5 Mtetragastrin) and on basal acid secretion from isolatedparietal cells, which was measured by the aminopyrineaccumulation method. None of three cytokines showed any significant effects onstimulated or basal acid secretion from isolated guineapig parietal cells. We concluded that inflammatorycytokines induced by Helicobacter pylori infection may affect acid secretion through mechanismsother than direct actions on parietal cells.
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Tani, N., Watanabe, Y., Suzuki, T. et al. Effects of Inflammatory Cytokines Induced by Helicobacter pylori Infection on Aminopyrine Accumulation in Parietal Cells Isolated from Guinea Pigs. Dig Dis Sci 44, 686–690 (1999). https://doi.org/10.1023/A:1026645321698
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DOI: https://doi.org/10.1023/A:1026645321698