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The percentage of different cell cycles was calculated using FlowJo v7.6.1 (BD Life Sciences, licensed copy distributed via Fujian Medical University

10.1210/en.2016-1087 Endocrinology 98 La MerrillM

For most people, copper peptides represent one of the lowest-risk, highest-reward additions to a skincare routine

The wound healing cascade and GHK-Cu: Normal wound healing occurs in four overlapping phases: Hemostasis clotting Inflammation immune cell recruitment Proliferation new tissue formation Remodeling scar maturation GHK-Cu appears to favorably influence phases 2, 3, and 4 simultaneously: In the inflammatory phase , it reduces pro-inflammatory cytokines (IL-6, TNF-) while preserving necessary immune signaling In the proliferative phase , it stimulates keratinocyte migration and fibroblast proliferation, accelerating epithelial coverage In the remodeling phase , it promotes type I collagen deposition over type III (scar) collagen, leading to better scar outcomes This multi-phase tissue repair activity makes GHK-Cu a compound of interest when studied alongside other regenerative peptides

Mechanistically, we show that in P19 cells, Dmrta2 acts as a DNA binding-dependent repressor on the Pax6 E60 enhancer and that a point mutation that affects its DNA binding properties identified in a consanguineous family leads to agenesis of the corpus callosum, pachygyria, and the absence of the cingulate gyrus

CagriSema (cagrilintide + semaglutide) was submitted to the FDA in late 2025 with a decision expected in 2026