GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration
Summary
Comprehensive review of GHK-Cu's role in skin regeneration, wound healing, and gene expression modulation. GHK-Cu stimulates collagen synthesis and breakdown, modulates metalloproteinase activity, attracts immune and endothelial cells, and is capable of up- and down-regulating at least 4,000 human genes. Declines with age from plasma levels of ~200 ng/mL at age 20 to ~80 ng/mL by age 60.
Key Findings
- GHK-Cu modulates expression of at least 4,000 human genes involved in tissue repair and regeneration
- Stimulates collagen, dermatan sulfate, chondroitin sulfate, and decorin synthesis
- Accelerates wound healing across multiple tissue types including skin, bone, and gastrointestinal tract
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