In ovarian endometriosis, it has been shown that CDKN2B antisense RNA 1 (CDKN2B-AS1) regulates AKT serine/threonine kinase 3 (AKT3) expression by sponging miR- 424-5p (Wang S. et al., 2021). The gene discussed is CDKN2B; the disease is ovarian endometriosis.