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Keywords:

  • anti-CD20 therapy;
  • NOD mice;
  • islet transplantation

Type 1 diabetes is an autoimmune disease characterized by T cell–mediated destruction of pancreatic islet beta cells. Pancreatic islet transplantation with long-term immunosuppressive drug treatment is an accepted therapeutic option for patients with type 1 diabetes suffering from disabling hypoglycemia on insulin treatment. Here we investigated the replacement of immunosuppressive drug treatment with immune tolerance establishment induced by temporary B cell–depletion therapy for islet transplantation. The result suggested that the combined therapy of B cell depletion and syngeneic islet transplantation may reverse the disease in hCD20/NOD mice.