Indeed the GLP-1(7-36) NH2 receptor, a GPCR, is found to be expressed by a wide range of tissues and cells such as: , , and -cells (169), sinoatrial node myocytes, arterial smooth muscle cells of lungs and kidneys, megakaryocytes, macrophages, monocytes, lymphocytes, gastrointestinal tract mucosa [mainly Brunner's gland in the duodenum, but also in the parietal cells of the stomach, jejunum ileum and the nerve plexus around the small and large intestine (170, 171)], central nervous system [neocortex, cerebellum, thalamus, amygdala, area postrema, hypothalamus, hippocampus, nucleus tractus solitarius (158)], peripheral nervous system (myenteric plexus) and in the skin (172176)
Another common concern: patients who share dosing information with friends or online communities without accounting for concentration differences
Another important note: You have to be more diligent about hydration when taking these medications
The article reports constipation in 16 to 20 percent of patients in clinical trials, with severity increasing at higher doses
The numbers in cells indicate the number of genes found and the entries in bracket are uniprot ids (for Annotated genes) and (GI ids for RPS-Blast results)