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Cell. 1993 Sep 24;74(6):1089-100.

Following a diabetogenic T cell from genesis through pathogenesis.

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Laboratoire de Génétique Moléculaire des Eucaryotes Centre National de la Recherche Scientifique Unité 184 de Biologie Moléculaire l'Institut National de la Santé et de la Recherche Médicale.


Nonobese diabetic (NOD) mice spontaneously develop a disease very similar to type 1 diabetes in humans. We have generated a transgenic mouse strain carrying the rearranged T cell receptor genes from a diabetogenic T cell clone derived from a NOD mouse. Self-reactive T cells expressing the transgene-encoded specificity are not tolerized in these animals, resulting in rampant insulitis and eventually diabetes. Features of the disease process emphasize two so-called check-points, recognized previously in the NOD and human diseases but easily misinterpreted. Although NOD mice are protected from insulitis and diabetes by expression of the E molecule encoded in the major histocompatibility complex, the transgenics are not, permitting us to exclude some possible mechanisms of protection.

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