CCNA2 and colorectal carcinoma: Next, the correlations between the expression levels of DPY30 and PCNA, Ki67 and cyclin A2 in CRC were further analyzed by GEPIA 2 database (http://gepia2.cancer-pku.cn/, COAD and READ in TCGA expression data) (Fig. 5C), which showed that the expression of DPY30 was positively correlated with PCNA, Ki67 and cyclinA2.