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GHK-Cu modulates gene expression

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A dramatic shift in color, particularly darkening or the appearance of a brownish tint, indicates oxidation

The compound belongs to a class of heterocyclic quinolinium derivatives investigated for their interaction with biochemical regulatory enzymes and metabolic signalling systems

it also evokes beneficial effects in lowering the incidence of metabolic disorders related with aging, overweight or obesity, insulin resistance, and cardiovascular disease [19]