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Cytotoxicity of LMAPs in keratinocytes and effects of LMAPs on oxidative stress in UVR-irradiated keratinocytes. (A) LMAP treatment was not cytotoxic for keratinocytes. LMAP treatment decreased the levels of UVR-induced intracellular reactive oxygen species (B) and cytotoxicity (C). Data are presented as mean ± S.D.; n = 3; * p < 0.05 vs. UVR-irradiated control. LMAP: low-molecular-weight anionic peptide; UVR: UVA 2 J/cm2 + UVB 15 mJ/cm2. Scale bar, 50 μm.
