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It is a naturally occurring molecule first isolated from human plasma
Theoretically, combining immune-modulating peptides with immunosuppressive drugs could produce excessive immune suppression
The copper-binding ability of GHK is one of the reasons the peptide has become so heavily researched in dermatology and regenerative biology
Source: Prkacin et al., 2001 Multi-Organ Protection: Brain, Liver, Kidney, Lung The most comprehensive study came from Gojkovic et al
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