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Stock solutions of 110 mg/mL are typical and are then diluted into culture medium for working concentrations
PLoS ONE 9(8): e103490

But in dose 2, you know exactly what to expect

This includes upregulation of antioxidant enzymes (superoxide dismutase, catalase) that protect against oxidative damage, enhancement of growth factor expression (TGF-, VEGF, PDGF) that supports tissue repair, and suppression of inflammatory gene expression that contributes to chronic skin degradation
