FOSL2 and type 2 diabetes mellitus: The results of FOSL2 gene methylation studies showed that the methylation rate of CpG units (CpG_3, CpG_4.5, CpG_6.7, CpG_8, CpG_11, CpG_12.13.14, CpG_15.16.17, and CpG_19) was higher in the T2DM group when compared to the NGT group (P < 0.01) (Figure 5).