SELENOWP1 and breast cancer: A recent study reported that piRNA-36712 restrained proliferation, invasion, migration and paclitaxel and doxorubicin resistance of breast cancer, while SEPW1P decreased piRNA-36712 expression by regulating miRNA-7 and miRNA-324, then inhibited P53, p21 and E-cadherin, but upregulated Slug (Tan et al., 2019).