POLR2A and diabetes mellitus: qRT-PCR analysis (Figures 4 and 5) showed that Fus, Hnrnpa2b1, Canx, Calr, and Polr2a were the significant difference in mRMVECs and Fus, Hnrnpa2b1, Canx, and Calr were the significant difference in the diabetic mouse model with DR (two months) compared to control groups.