Emerging Roles of Lysyl Oxidases in the Cardiovascular System: New Concepts and Therapeutic Challenges Full article: Enzymatic cross linking of collagens in organ fibrosis resolution and assessment 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 JCI 11 Hydroxysteroid dehydrogenase blockade prevents age induced skin structure and function defects