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Acta Physiol Hung. 1992;80(1-4):107-15.

Brain-gut relationships: gastric mucosal defense is also important.

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  • 1Department of Pharmacology and Therapeutics, Faculty of Medicine University of Medicine, Canada.

Abstract

Growing recognition that there exists a functionally important brain-gut axis has prompted several research groups to examine more closely the role of central nervous system factors in gastric mucosal injury. Less attention has been directed toward brain regulation of defensive factors in the gut. Toward that end, we have been characterizing a growing role for dopamine as an important mediator of gastric defense. New data suggest that dopamine, and other substances including many peptides as well as interleukin, act not only to reduce aggressive elements which promote gastric mucosal injury (gastric acid, pepsin, gastrin, leukotrienes) but also to augment defensive factors which retard ulcerogenesis (mucus, bicarbonate, prostaglandins, free radical scavenging enzymes, vasodilators/relaxers). Increasing attention should be directed toward the often-neglected defensive aspect of gastric mucosal ulcerogenesis and protection.

PMID:
1345178
[PubMed - indexed for MEDLINE]
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