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Table 1 DNA methylation status of the ERα promoter

From: Synergistic epigenetic reactivation of estrogen receptor-α (ERα) by combined green tea polyphenol and histone deacetylase inhibitor in ERα-negative breast cancer cells

Cells

Percentage of methylated CpG island in the ER promoter (%)

P value compared with untreated MDA-MB-231 cells

MCF-7

0

-

Untreated MDA-MB-231

44.8 ± 3.75*

-

EGCG-treated MDA-MB-231

48.2 ± 4.45*

0.36

  1. * Standard deviations