LncRNA PART1 regulates nucleus pulposus cell degeneration through the miR-93/metalloproteinase-2 pathway (Gao et al., 2020), lncRNA-DLEU2 was implicated in the growth and development of tumors, and lncRNA-PCA3 was linked especially to prostate cancer (Chunhua et al., 2018). The gene discussed is DLEU2; the disease is prostate cancer.