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 The Fascinating Interplay between Growth Hormone, Insulin Like Growth Factor 1, and Insulin The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Correlation between GH and IGF 1 in the serum of patients with Download Scientific Diagram Synergy of GHKCu and hyaluronic acid on collagen IV upregulation via fibroblast and exvivo skin tests Jiang 2023 Journal of Cosmetic Dermatology Wiley Online Library Pharmacogenomics of insulin like growth factor I generation during GH treatment in children with GH deficiency or Turner syndrome The Pharmacogenomics Journal