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Cellular delivery: It delivers the glutathione directly to the cells where it is needed most
Foundational GHK-Cu (sister peptide) paper: stimulates collagen synthesis in human fibroblasts, effect beginning at 10^-12 to 10^-11 M and maximal at 10^-9 M the same potency window later reported for AHK-Cu, establishing the copper-tripeptide mechanism
J Physiol Pharmacol 60(Suppl 7):115122 Tkalcevic VI, Cuzic S, Brajsa K, Mildner B, Bokulic A, Situm K, Perovic D, Glojnaric I, Parnham MJ (2007) Enhancement by PL 14736 of granulation and collagen organization in healing wounds and the potential role of egr-1 expression
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