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However, researchers emphasized that larger and more comprehensive studies are still needed before definitive conclusions can be made

This broad transcriptomic influence spans pathways involved in collagen synthesis, metalloproteinase regulation, antioxidant response, and copper-dependent enzyme activation, making GHK-Cu one of the most comprehensively profiled peptides in in vitro research

Cells were cultured under a controlled atmosphere (37 C, 5% CO 2 )