ATXN3 and breast cancer: Recent studies reported that oral squamous cell carcinoma (OSCC) (Song et al., 2021), testicular cancer (TC) (Shi et al., 2018), colon cancer (Li et al., 2019), breast cancer (BC) (Zou et al., 2019), anaplastic thyroid carcinoma (ATC) (Zhuang et al., 2021), neuroblastoma (NB) (Gong et al., 2021), non-small cell lung cancer (NSCLC) (Sacco et al., 2014), and breast cancer stem cells (Zhu et al., 2019)were closely related to ATXN3.