DCAF6 and gastric cancer: CircRNA‐circPDSS1 promotes the progression of GC by regulating miR‐186‐5p and NEK2. 21Wu et al.37proved that circ‐DCAF6 is the upstream negative regulator of miR‐1231 and miR‐1256, and its enhancement promotes cell proliferation and indicates a poor prognosis.