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By potentiating GABA signaling, DSIP supports the neural quieting necessary for sleep onset and maintenance

Its external loop allows binding of Cu 2+ by histidine containing domains followed by oxidation to Cu + for transportation into the cell (15)

Loren Pickart human plasma Cu Copper Complex Blue-green solution is normal Mechanism of Action How GHK-Cu Works Copper delivery, collagen synthesis activation, and 4,000+ gene modulation COPPER Primary Copper Ion Delivery Cu Complexation & Delivery Delivers bioavailable Cu to tissue Activates copper-dependent enzymes Supports lysyl oxidase for collagen crosslinking COLLAGEN Key Collagen & ECM Synthesis TGF- / Fibroblast Activation Upregulates collagen I and III synthesis Increases fibronectin and laminin production Activates dermal fibroblast proliferation GENOMIC 4,000+ Gene Expression Modulation Broad Transcriptomic Effects Activates tissue repair gene networks Downregulates inflammation pathway genes Modulates Wnt and TGF- signaling Key finding: GHK-Cu plasma levels decline from ~200 ng/mL in young adults to ~80 ng/mL by age 60 a 60% reduction

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Topotecan: Inhibits IKK, reducing inflammation in EAE mouse models (Roberti, 2022)

GHK-Cu, when used as a topical research serum, is typically reconstituted in bacteriostatic water or saline at concentrations of 50200 mg/L for topical applications