U2AF1 and myelodysplastic syndrome: To predict the role of hub genes, we screened a series of genes that have been shown to influence the process of MDS, such as TET2, DNMT3A, ASXL1, EZH2, SF3B1, SRSF2, U2AF1, ZRSR2, RUNX1, TP53, STAG2, NRAS, CBL, NF1, for correlation analysis.