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Transcriptomic studies Microarray and RNA-seq studies of cells exposed to GHK-Cu have reported broad gene-expression effects spanning collagen and matrix genes, antioxidant defense genes, DNA repair genes, immune-related genes, and cellular metabolism genes

Support may include CoQ10, L-carnitine, riboflavin (B2), and other mitochondrial nutrients

Combination-therapy models: Evaluating interactions with GLP-1 receptor agonists (e.g., semaglutide) to study additive or complementary effects on appetite and metabolism

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Injectable GHK-Cu has demonstrated systemic effects in animal models -- lung fibrosis protection, connective tissue remodeling, neuroprotection -- but translating those findings to human subcutaneous injection protocols remains speculative

8 DiFrancisco-Donoghue J1, Lamberg EM, Rabin E, Elokda A, Fazzini E, Werner WG