Fig. 4.

DNA methylation of SELL gene in TCGA breast cancer dataset. a Gene track showing methylation levels in five probes of SELL in normal breast and breast tumor tissues. b Comparison of mean methylation levels of SELL in normal breast and breast tumor tissues. c Spearman’s correlation analysis between SELL expression and its methylation at probe cg19853494 in normal breast. d Spearman’s correlation analysis between SELL expression and its methylation at probe cg19853494 in breast tumor tissues