glp 1 ra mechanism of action Mechanisms GLP-1 Receptor Agonist-Induced Weight Loss: A Review of Central and Peripheral Pathways in Appetite and Energy Regulation GLP1 Receptor Agonists—Effects beyond Obesity

The fat metabolism theory suggests GIPs effects on adipose tissue are crucial

GLP-1 acts through a class 2 member of the G-coupled protein C receptor family seven-transmembrane receptor (GLP-1R) (8), which is mainly expressed in pancreatic islets, the brain, and the gastrointestinal (GI) tract (912), and less prominently in the kidney and eyes (1113)

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FDA Drug Safety Communication , FDA Warns That DPP4 Inhibitors for Type 2 Diabetes May Cause Severe Joint Pain accessed July 26, 2023, 166

Zepbound Vials is the newest FDA-approved weight loss injection, featuring a dual-action formula that activates both GIP and GLP-1 receptors

However, the underlying mechanism for GLP-1 accomplishing this is not known, as whether or not GLP-1R is localised to the islet alpha-cell surface is a matter of debate