U2AF2 and cancer: Among them, candidate proteins EEF2, U2AF2 and FLNC are significantly enriched in the three pathways of “spliceosome” (p-value: 1.01 × 10−3), “proteoglycans in cancer” (p-value: 8.58 × 10−2) and “focal adhesion” (p-value: 1.48 × 10−3).