Fig. 3

Reduced expression of miR-506 and MEG3 in breast tumors and cell lines. a RT-qPCR analysis showing the level of miR-506 in normal breast tissues and breast tumors. GAPDH acts as internal control. b RT-qPCR analysis showing the level of MEG3 in normal breast tissues and breast tumors. GAPDH acts as internal control. c RT-qPCR analysis showing the level of miR-506 in MCF10A and breast cancer cell lines (MCF-7, MDA-MB-231, SKBR3). GAPDH acts as internal control. d RT-qPCR analysis showing the level of MEG3 in MCF10A and breast cancer cell lines (MCF-7, MDA-MB-231, SKBR3). GAPDH acts as internal control. All data were presented as mean ± SD from three biological replicates (*P < 0.05; **P < 0.01)