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Ogasawara, Kouetsu; Hamerman, Jessica A; Ehrlich, Lauren R; Bour-Jordan, Helene; Santamaria, Pere; Bluestone, Jeffrey A; Lanier, Lewis L
Immunity 20, Številka: 6Journal Article
NKG2D is an activating receptor on CD8(+) T cells and NK cells that has been implicated in immunity against tumors and microbial pathogens. Here we show that RAE-1 is present in prediabetic pancreas islets of NOD mice and that autoreactive CD8(+) T cells infiltrating the pancreas express NKG2D. Treatment with a nondepleting anti-NKG2D monoclonal antibody (mAb) during the prediabetic stage completely prevented disease by impairing the expansion and function of autoreactive CD8(+) T cells. These findings demonstrate that NKG2D is essential for disease progression and suggest a new therapeutic target for autoimmune type I diabetes.
