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Adoptive transfer of diabetes was accomplished by the injection of Con A-activated acutely diabetic BB/W rat spleen cells into immunosuppressed diabetes-resistant BB/W control rats and F1 hybrid offspring produced by BB/W X Lewis, BN, Yashida, and NEDH matings. Immune suppression methods that facilitated adoptive transfer of diabetes included neonatal thymectomy, cyclophosphamide, and splenectomy plus rabbit anti-rat lymphocyte serum injections. The successful transfer of BB/W diabetes to otherwise normal (BB/W X inbred)F1 rats and to diabetes-resistant BB/W animals suggests that antigenically normal pancreatic beta cells were destroyed by the injected effector cells. Diabetes-resistant BB/W control rats also evidenced diabetes after the injection of cyclophosphamide alone. The requirement for immunosuppression suggests that an intact immune system protects against adoptive transfer and diabetes in diabetes-resistant BB/W rats.
Like et al. (Fri,) studied this question.