NCR1 and type 1 diabetes mellitus: To test whether blocking of NKp46 (Ncr1 in mice) will attenuate T1D development, we developed an anti-mouse NKp46/Ncr1 IgG1,κ mAb (termed NCR1.15) that specifically recognizes recombinant mouse NKp46 (mNKp46) but not human NKp46 (hNKp46).