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Alpha7 Nicotinic Acetylcholine Receptor Regulates the Function and Viability of Enteroendocrine L Cells In Vitro.
Abstract Enteroendocrine L cells secrete the incretin hormone glucagon-like peptide-1 (GLP-1) and they also express the α7 nicotinic acetylcholine receptor (α7nAChR) that might regulate GLP-1 secretion. Here, GTS-21, a selective α7nAChR agonist, was used to examine the impact of α7nAChR activation in L-cell lines, mouse intestinal primary cell cultures, and C57BL/6 mice. GTS-21 stimulated GLP-1 secretion in vitro and this effect was attenuated by an α7nAChR antagonist or by α7nAChR-specific siRNA. Under in vitro cell culture conditions of glucotoxicity, GTS-21 restored GLP-1 secretion and improved L-cell via...
Source: Endocrinology - July 9, 2018 Category: Endocrinology Authors: Wang D, Meng Q, Leech CA, Yepuri N, Zhang L, Holz GG, Wang C, Cooney RN Tags: Endocrinology Source Type: research