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. 2016 Feb 10;17(2):231. doi: 10.3390/ijms17020231

Figure 4.

Figure 4

Alterations of intracellular glutathione peroxidase 1 (GPx) activity. Data are the mean ± SD of at least three independent experiments. * p < 0.05, *** p < 0.001, compared to the negative control group; ### p < 0.001. NC: negative control cells; Si: cells with SelR siRNA transfection for 24 h; G: cells exposed to d-galactose (150 mM) for 36 h; Si+G: cells with SelR siRNA transfection followed by d-galactose exposure; G+Se: cells exposed to d-galactose (150 mM) and Na2SeO3 (1 μM) for 36 h; Si+G+Se: cells with SelR siRNA transfection followed by d-galactose and Na2SeO3 exposure.