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Analysis of the protective effects of USHE on UVB-exposed HaCaT keratinocytes. Evaluation of (A) cytotoxicity, (B) cell viability, and intracellular ROS production using (C) fluorometry, (D) fluorescence microscopy (Objective magnification of the instrument: 20×), and (E) flow cytometry. Values are expressed as the mean ± SE from triplicate experiments. Bars with different letters within the same graph represent significant differences (p < 0.05).
