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Inhibition of the caspase signaling pathway by anthocyanins from the flower petals of Hibiscus syriacus L. (Malvaceae, AHs) in UVB-irradiated HaCaT keratinocytes. (A) Caspase-3 and PARP protein expression (top) and relative density (bottom). (B,C) Distribution (top) and population (bottom) of caspase-3/7+ apoptotic cells. *** p < 0.001 vs. UVB-irradiated cells and ### p < 0.001 vs. untreated cells.
