LINK-A has been observed to exhibit abnormal regulation in tumor samples (Lin et al., 2017; Ma and Xue, 2018; Zhao et al., 2018; Zhang et al., 2019a; Hua et al., 2019), and LINK-A level in serum could serve as a diagnostic biomarker for cancer (Zhang et al., 2019a; Zhang et al., 2019b; Hua et al., 2019; Liu et al., 2019; Kong et al., 2020; Zhang et al., 2020). The gene discussed is LINC01139; the disease is cancer.