FAS and breast cancer: It can impress cell migration, enhance drug sensitivity, and affect EMT process via signaling pathways in breast cancer or non–small cell lung carcinoma, as well as regulate FAS-mediated apoptotic pathway at transcriptional and AS levels in HeLa cells (Zhang et al., 2014, 2016; Jung et al., 2016; Cheng et al., 2019; Shi et al., 2019).