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Identification Of Expression And Function Of The Glucagon-Like Peptide-1 Receptor In Gastrointestinal Smooth Muscle, Alexander T. May
Identification Of Expression And Function Of The Glucagon-Like Peptide-1 Receptor In Gastrointestinal Smooth Muscle, Alexander T. May
Theses and Dissertations
In response to ingestion of nutrients, enteroendocrine L cells secrete the incretin hormone, glucagon-like peptide-1 (GLP-1), to enhance glucose-dependent insulin release. Therapies related to GLP-1 are approved for type 2 diabetes. The GLP-1 receptor (GLP-1R) is expressed in cells of the gastrointestinal tract and elsewhere. In pancreatic beta cells, GLP-1R are coupled to the Gs/cAMP/PKA pathway. The expression and function of GLP-1R in gastrointestinal smooth muscle are not known. Aim. To test the hypothesis that GLP-1 regulates smooth muscle function by acting on GLP-1R expressed on smooth muscle. Methods. Smooth muscle cells (SMC) were isolated and cultured. Expression of GLP-1R …