HLA-G and type 1 diabetes mellitus: Notably, in Abneg FDRs, DC-10 expressed significantly higher levels of HLA-G (MFI of HLA-G 37.74% ± 14.16) than did HCs (MFI of HLA-G, 21.89 ± 6.41, p < 0.0001) and T1D patients (MFI of HLA-G 30.07 ± 17.90, p = 0.0005) (Figure 4A and Supplementary Table S2).