Comment on

• Reversal of diabetes in non-obese diabetic mice without spleen cell-derived beta cell regeneration.

  Chong AS, Shen J, Tao J, Yin D, Kuznetsov A, Hara M, Philipson LH. Chong AS, et al. Science. 2006 Mar 24;311(5768):1774-5. doi: 10.1126/science.1123510. Science. 2006. PMID: 16556844
• Islet recovery and reversal of murine type 1 diabetes in the absence of any infused spleen cell contribution.

  Nishio J, Gaglia JL, Turvey SE, Campbell C, Benoist C, Mathis D. Nishio J, et al. Science. 2006 Mar 24;311(5768):1775-8. doi: 10.1126/science.1124004. Science. 2006. PMID: 16556845
• Immunological reversal of autoimmune diabetes without hematopoietic replacement of beta cells.

  Suri A, Calderon B, Esparza TJ, Frederick K, Bittner P, Unanue ER. Suri A, et al. Science. 2006 Mar 24;311(5768):1778-80. doi: 10.1126/science.1123500. Science. 2006. PMID: 16556846