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. 2015 Jun 15;10(6):e0129091. doi: 10.1371/journal.pone.0129091

Fig 4. Effects of Pb on cardiac tissue protein expression.

Fig 4

Effects of Pb exposure on the protein expression of PCNA, Bcl-2, Bax and acetyl-H3 in cardiac tissue at 12 day after Pb exposure (A) and 40 day after Pb exposure (B). The corresponding bar graphs represent densitometric quantification. n = 6 experiments. Probability values are indicated above bars: *p < 0.05 versus control. 1 stand for control group, 2 stand for Pb exposure group.