Abstract
Calcitonin gene-related peptide (CGRP) is a polypeptide produced by alternative processing of calcitonin gene transcripts1. CGRP-like immunoreactivity (li) is widely distributed in the rat gastrointestinal tract2 and high concentrations of CGRP-li have been found in the rat stomach and duodenum2. The absence of CGRP-li in endocrine cells3 at these levels suggests that it is more important as a neuropeptide than as a circulating hormone. Exogenous CGRP was reported to inhibit gastric acid secretion4, increase gastric blood flow5,6, induce a relaxation of duodenal smooth muscle7, act as a potent antiulcer against experimentally-induced gastroduodenal ulcers8. All these effects have been shown to be protective in duodenal ulcers.
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Evangelista, S., Mantellini, P., Renzi, D. (1995). Experimentally-Induced Duodenal Ulcers in Rats are Associated with a Reduction of Gastric and Duodenal Calcitonin Gene-Related Peptide-Like Immunoreactivity. In: Szabo, S., Taché, Y., Glavin, G.B. (eds) Neuroendocrinology of Gastrointestinal Ulceration. Hans Selye Symposia on Neuroendocrinology and Stress, vol 2. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-1867-9_6
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DOI: https://doi.org/10.1007/978-1-4615-1867-9_6
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