HIF1A and neoplasm: Particularly, four genes that positively regulate tumor migration are identified to be negatively regulated by 7SK but positively regulated by FOXJ3 and THRA. These four genes are CXCL1, SYDE1, COL5A1, and HIF1A (Lo et al., 2017; Byun et al., 2019; Feng et al., 2019; Yang et al., 2019).