FOXD2-AS1 is a cancer-related gene [19] which is aberrantly expressed in various cancers and has been linked to cancer progression [20], targeting P53 [21], Akt/E2F1 [22], miR-25-3p/Sema4C [23], the microRNA-98-5p/CPEB4 axis [24], and PI3K/Akt [25]. The gene discussed is E2F1; the disease is cancer.