Scholars araised interest of lncRNA FGD5-AS1 from 2018, and reported different molecular mechanism of lncRNA FGD5-AS1 in various cancer, including: regulating miR-140-5p/WEE1 axis (44), miR-153-3p/CITED2 (40), ERK/AKT signaling (45), MCL1 (42), Wnt/β-catenin (28, 46), miR-103a-3p/TPD52 (47). The gene discussed is CITED2; the disease is cancer.