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As one of the most extensively characterized copper-binding peptides in experimental biology, GHK-Cu has accumulated a substantial body of preclinical literature exploring its interactions with collagen and elastin synthesis signaling, matrix metalloproteinase (MMP) pathway regulation, and antioxidant enzyme activity mechanisms
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A study in human volunteers demonstrated that DSIP administration normalized cortisol secretion patterns and reduced stress-related sleep disruption (Polleri et al., Psychopharmacology, 1985
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Enzymatic Cofactor Activity : Serves as an essential cofactor for glutathione peroxidase and glutathione reductase enzymes, enabling these protective systems to neutralize hydrogen peroxide and lipid peroxides that would otherwise damage cellular membranes
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