A Theoretical Link Between the GH IGF 1 Axis and Cytokine Family in Children: Current Knowledge and Future Perspectives The GH IGF 1 axis in obesity: pathophysiology and therapeutic considerations Nature Reviews Endocrinology The Fascinating Interplay between Growth Hormone, Insulin Like Growth Factor 1, and Insulin 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 GH and IGF 1 Regulation of Three Metabolic Pathways. GH inhibits Download Scientific Diagram GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B