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Am J Reprod Immunol (1980)

Fibroblast Activation Fibroblasts are the active cells in the dermis layer of skin

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Suter et al

Controls may include: Vehicle or negative controls Untreated baseline controls GHK-only conditions Free-copper conditions Copper-chelator controls Matrix-matched controls Positive assay controls Independent material lots Analytical Characterization Accurate characterization helps determine whether experimental differences may relate to peptide identity, copper content, complex formation, degradation, aggregation, or lot variability