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. 2019 Jan 15;54(3):869–878. doi: 10.3892/ijo.2019.4687

Figure 7.

Figure 7

AsIII induces BRCA1 and ESR1 CpG methylation in MCF7 cell mammary tumor xenografts. Bars are from 5 animals/group from 2 separate experiments (n=10) and represent the means (fold-change of MCF7 Control xenograft) ± SEM for (A) BRCA1 and ERα mRNA expression; (B) BRCA1 and ESR1 CpG methylation. Different letters represent statistically significant multiple comparison (a>b>c) differences (P<0.05). AsIII, trivalent arsenite; BRCA1, breast cancer 1; ESR1, estrogen receptor 1; ERα, estrogen receptor-α.