Moreover, CDR1as was reported to sponge miR-135b-5p, miR-219a, miR-1299, and miR-876-5p in ovarian cancer, non-small-cell lung cancer and esophageal squamous cell carcinoma, respectively (Sang et al., 2018b; Chen et al., 2019; Cai et al., 2020; Li Y. et al., 2020; Meng et al., 2020). The gene discussed is LINC00632; the disease is esophageal squamous cell carcinoma.