LINC00894 (ENST0000044489) is a non-coding RNA derived from the X chromosome; it regulates the expression of transforming growth factor-beta 2 (TGF-β2) and zinc finger E-box-binding homeobox 1 (ZEB1), which may affect tamoxifen resistance in breast cancer [33]. The gene discussed is TGFB2; the disease is breast carcinoma.