Frontiers Dual Characters of GH IGF1 Signaling Pathways in Radiotherapy and Post radiotherapy Repair of Cancers 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 GHK Cu Peptide Progress: Week 3 Results Metabolic effects of IGF 1 and GH under pathological conditions. The Download Scientific Diagram