Tirzepatide is a synthetic peptide with glucose-lowering effects. It works to stimulate first- and second-phase insulin secretion, and reduces glucagon levels, both in a glucose-dependent manner. Tirzepatide was also shown to delay gastric emptying, lower fasting and postprandial glucose concentration, decrease food intake and reduce body weight in patients with type 2 diabetes. Tirzepatide can increase insulin sensitivity.
As the peptide is conjugated to a C20 fatty diacid moiety through a hydrophilic linker at the lysine residue at position 20, the drug is highly bound to albumin in the plasma, which prolongs its half-life. Glucagon-like peptide-1 (GLP-1) receptors (GLP-1R) are expressed throughout the body, including pancreatic beta-cells and the gastrointestinal tract. They have been implicated in the pathophysiology of type II diabetes mellitus as GLP-1R signalling is involved in glucose control by enhancing glucose-stimulated insulin secretion, delaying gastric transit, decreasing plasma glucagon levels, and reducing body weight by activating anorexigenic pathways in the brain. Both glucose-dependent insulinotropic polypeptide (GIP) and GLP-1 are peptide hormones involved in glucose homeostasis: they promote glucose-stimulated insulin secretion from the pancreatic beta-cells. However, GIP is the main incretin hormone that exerts insulinotropic effects in response to food intake.
Tirzepatide 10Mg by Pharmaqo.
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