Previously genes such as the PPARγ, Kir6.2, Calpain-10, TCF7L2 and class 1 HLA genes, the CTLA-4, INS, PTPN22 have been proved to be related to the manifestation of T2 and T1DM respectively [4,5]. The gene discussed is PPARG; the disease is type 1 diabetes mellitus.