MECP2 and breast cancer: To study the effect of the linc‐ROR/miR‐194‐3p/MECP2 regulatory axis on breast cancer cells, we transfected LV‐linc‐ROR (overexpression of linc‐ROR in MCF‐7) or MCF‐7 cells with the miR‐194‐3p mimic or the NC mimic, respectively.