5 alpha Reductase Inhibitors, Agonists and Modulators BOC Sciences 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 Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Analysis of Data From Breast Diseases Treated With 5 Alpha Reductase Inhibitors for Benign Prostatic Hyperplasia Clinical Breast Cancer The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper