Important Mechanism of Action of Tirzepatide before Using -By Polypeptide.ltd
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Mechanism of action of Tirzepatide Tirzepatide peptide is a dual agonist of hormone receptors known as GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 (glucagon-like peptide-1). These hormones are produced naturally in the body and they play an important role in regulating blood sugar levels and metabolism. Stimulates insulin release Tirzepatide activates GIP receptors and GLP-1 receptors, both of which are located on pancreatic beta cells, thereby stimulating insulin release. As a result of activation of these receptors, the pancreas releases insulin in response to high blood sugar. Insulin lowers blood sugar levels because it helps cells absorb glucose from the blood. Inhibition of Glucagon Release Tirzepatide also inhibits the release of glucagon, another hormone produced by the pancreas. Glucagon raises blood sugar levels by promoting the release of stored glucose from the liver. By reducing glucagon release, tirzepatide helps prevent excessive glucose production. Appetite Regulation and Gastric Emptying GLP-1 receptors are also found in areas of the brain involved in appetite regulation. Activation of these receptors by tirzepatide can help reduce food intake and promote a feeling of fullness. Additionally, GLP-1 slows down gastric emptying, which can help control the rate at which nutrients, including glucose, are absorbed into the bloodstream after eating. Weight Loss Tirzepatide’s dual agonist action on both GIP and GLP-1 receptors has been associated with significant weight loss. It may work by modulating fat utilization and promoting a sense of fullness, leading to reduced calorie intake and increased energy expenditure. By activating GIP and GLP-1 receptors, tirzepatide addresses multiple aspects of blood sugar regulation, insulin release, glucagon inhibition, and appetite control.
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Royal Society of Chemistry. 898–944. doi:10.1039/d0cs00354a. PMID 33404559. S2CID 230783854.
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