PCNA and metabolic syndrome: The common DN and MetS related to metabolism and immunity were further investigated using MCODE, with three core modules subsequently obtained: module 1 included 8 genes: SYK, VAV1, BRD7, TUBB, MYC, TUBA1B, PCNA, and TBCB; module 2 included 5 genes: DYNC1H1, DLST, TUBA1A, MCM7, and ARPC1B; and module 3 included 4 genes: EVL BAIAP2, SRPK2, and PFN (Figure 2F).