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A 2025 systematic review found no meaningful clinical safety data and only very low-level human studies, including a small retrospective report in knee pain [12]

2.7 Thymidine and uridine incorporation assays MEC-1 and HG-3 cells were seeded at a density of 1 10 6 cells/mL in 3 mL of complete RPMI-1640 medium in a T25 flask

Stem cell recovery data from keratinocyte models further suggest that GHK-Cu maintains progenitor cell populations capable of supporting sustained collagen production throughout the repair process

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10.1089/ars.2013.5346 23 ChandranS.GuoT.TolliverT.ChenW.MurphyD

Volume loss is a different problem requiring different interventions