PDCD1LG2 and type 1 diabetes mellitus: In our microarray analysis, the expression of immunomodulatory genes (PDL1, NOS2, IL10, PTGES, TGFB1, PDL2, HLAG, and TGS6) and licensing-related genes (IFNGR2, TNFR1, IFNGR1, TNFR2, TLR4, and TLR3) was similar in T1D-MSCs and C-MSCs.