CD101 and type 1 diabetes mellitus: Thus, to further establish the causative role of Cd101 in the pathogenesis of T1D, we evaluated T1D frequencies in our newly generated CD101−/− NOD.B6 Idd10 and CD101−/− NOD.B6 Idd10/18 mice compared to parental CD101-expressing NOD.B6 Idd10 and NOD.B6 Idd10/18 controls.