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Combined treatment of C32 (A) and COLO829 (B) cells with lomefloxacin and UVA irradiation augments the induction of apoptotic features in melanoma cells. The cells were pre-treated with lomefloxacin at concentrations of 0.1, 0.5, and 1.0 mM alone for 24 h or exposed to the drug and UVA irradiation (1.3 J/cm2) and observed under a light inverted microscope at a 40x magnification (scale bar 250 µm).
