التفاصيل البيبلوغرافية
| العنوان: |
Alpha-melanocyte stimulating hormone in ghrelin-elicited feeding and gut motility. |
| المؤلفون: |
Hsien-Hao Huang, Chih-Yen Chen |
| المصدر: |
Journal of the Chinese Medical Association; Feb2019, Vol. 82 Issue 2, p87-91, 5p |
| مصطلحات موضوعية: |
MELANOCORTIN receptors, ANIMAL droppings, GASTRIC emptying, INGESTION, ANIMAL nutrition |
| مستخلص: |
This review evaluates published studies regarding alpha-melanocyte stimulating hormone (α-MSH) in ghrelin-elicited feeding and gut motility. We have sought to integrate all available evidences to provide a complete review on the properties of melanocortin receptors (MCR) and the potential clinical treatment of α-MSH after ghrelin-elicited feeding and gut motility. The available studies were grouped into four categories: food intake, gastric emptying, small intestinal transit, and colonic transit. As we describe, the literature provides evidence of the ability of ghrelin to increase food intake, gastric emptying, small intestinal transit, and colonic transit. α-MSH, which displays high affinity for the MC3 and MC4 receptors, can competitively activate MCRs with agouti-related protein stimulated by ghrelin, and partly attenuates the effect of acyl ghrelin on food intake. Central ghrelin-induced acceleration of gastric emptying is not mediated by MCRs, but the acceleration of the small intestinal transit is at least partly mediated via MCRs in the brain. Similar to fecal pellets and total fecal weight, distal colonic motility and secretion are partly mediated by MCRs in the brain. The interplay between acyl ghrelin and MCRs may provide a new therapeutic avenue to ameliorate anorexia and constipation. [ABSTRACT FROM AUTHOR] |
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