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The mechanism was proposed to involve copper-dependent enzymes (notably lysyl oxidase, which catalyzes the cross-linking of collagen and elastin and requires copper as a cofactor), GHK-specific effects on growth factor activity, and downstream gene-expression effects in fibroblasts and other tissue-repair-relevant cell types

This vitamin is also vital for nerve health

At the same time, elevated tumor GSH can be exploited as a conditional trigger for prodrug activation, nanomedicine-based delivery, or metal-driven cytotoxicity, thereby converting a classical resistance factor into a therapeutically actionable vulnerability