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. 2014 Oct 16;9(10):e110003. doi: 10.1371/journal.pone.0110003

Figure 1. In vitro activity of naringenin against Human skin carcinoma A431 and normal HaCat cells.

Figure 1

(A) Morphological view of live and dead cells of A431 cell line treated with 50 µM to 750 µM concentration of naringenin (B) The percent cell viability of A431 cells measured by a MTT assay at 24 h as described in the experimental section. (C) Morphological analysis of normal HaCat cell line treated with 50 µM to 750 µM concentration of naringenin. Photomicrographs were taken by inverted phase contrast microscope. (D) The percent cell viability of HaCat cell measured by a MTT assay at 24 h. Values are expressed as means ± SD of at least three independent experiments, **p<0.01 and ***p<0.001 as compared with their respective control.