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Validation of the genes regulated by DNA methylation in vitro. A The expression of methyltransferase 1 (Dnmt1) was inhibited by Decitabine in H9c2 cells. B–F The mRNA levels of candidate genes were upregulated after demethylation compared with the untreated group. The data are presented as the mean ± SD and representative of three independent experiments. **P < 0.01, ***P < 0.001
