It was found that the G2E3‐AS1/let‐7a‐5p and CDKN2B‐AS1/let‐7b‐5p pathways may act as upstream lncRNAs and miRNAs of SLC31A1 to up‐regulate the SLC31A1 expression in breast cancer [11]. The gene discussed is SLC31A1; the disease is breast carcinoma.