The hypermethylation of SEMA3B and MIR-129-2 genes was revealed in BC and/or OC.
SEMA3B and MIR-129-2 hypermethylation correlated with their down-regulation in BC.
RASSF1(A), GPX1 level correlated with miR-129-2 precursor level and methylation in BC.
RASSF1(A) and mature miR-129-2 expression levels correlated negatively in BC.
Cross-talk of DNA methylation and microRNA impacts on gene expression revealed in BC.