TIRZEPATIDE Mechanism of action of tirzepatide GIP = glucose dependent insulinotropic polypeptide; GLP 1 = glucagon like peptide 1; LDL = low density lipoprotein; HR = heart rate. How GHK Peptide Works Signaling GHK acts as a switch for skin repair: Interacts with adenosine receptors reduces inflammation Activates MAPK ERK, PI3K Akt, TGF pathways Stimulates fibroblasts & keratinocytes boosts collagen, elastin Glucagon like peptide 1 receptor: mechanisms and advances in therapy Signal Transduction and Targeted Therapy Mechanism of actions of cholecystokinin receptors revealed Glucagon Like Peptide 1 Receptor Agonists for Sarcopenia and Muscle Wasting Disorders: A Systematic Review of Efficacy and Mechanisms