Originally identified in human plasma, GHK readily binds copper (II) ions to form the biologically active GHK-Cu complex, which has been extensively studied across regenerative biology, including skin physiology, connective tissue maintenance, wound healing and healthy ageing
As of 2025, AOD-9604 should be regarded as a discontinued research peptide, not a therapeutic agent , with ongoing relevance confined to academic and mechanistic exploration
Sauna bathing and systemic inflammation
GHK-Cu (10 M, 24h in primary hepatocytes) induces MT-1A mRNA +2.4 0.4-fold and MT-2A +2.1 0.3-fold (RT-qPCR
doi: 10.1186/1471-2164-11-237
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