TM4SF1 and triple-negative breast carcinoma: The microRNAs miR-206 and miR-141 were shown to inhibit metastasis of triple-negative breast cancer and pancreatic cancer by negatively regulating TM4SF1 by targeting its 3′-untranslated region (Xu et al., 2014; Park et al., 2018; Fan et al., 2019).