ArticleDigestive diseases and sciences2006
Inhibition of epidermal growth factor receptor activation enhances in vivo histamine-stimulated gastric acid secretion in the rat.
Article in Digestive diseases and sciences, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 5 citations in OpenAlex.
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5 authors at 2 institutions in 1 country.
Funding
Abstract
Epidermal growth factor (EGF) and transforming growth factor alpha (TGFalpha) have been shown to inhibit gastric acid secretion through stimulation of the EGF receptor (EGFR). In this study we examined in vivo the effects of inhibition of the EGFR on histamine-stimulated acid secretion in the rat. Submaximal (1.5 mg/kg/hr) histamine-stimulated acid secretion was measured (microEq H(+)/2 hr) during infusion of EGFRtk inhibitors and ranitidine in anesthetized rats. EGFR phosphorylation in gastric mucosal tissue lysates was measured by Western blot analysis. Submaximal histamine-stimulated acid secretion was increased significantly by the EGFR inhibitors tyrphostin (Tyr) A46 and Tyr AG1478. Tyr A46 prevented TGFalpha (10 microg/kg/hr)-mediated inhibition of maximal (5.0 microg/kg/hr) histamine-stimulated acid output. Histamine caused a fourfold increase in EGFR phosphorylation which was inhibited by both Tyr and ranitidine. We conclude that the EGFRtk inhibitors, Tyr A46 and Tyr AG1478, significantly increased submaximal histamine-stimulated acid output and Tyr A46 prevented TGFalpha inhibition of histamine-stimulated acid secretion. These observations suggest that the EGFR is involved, in vivo, in the regulation of gastric acid secretion.
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