Prolonged diabetes reversal after intraportal xenotransplantation of wild-type porcine islets in immunosuppressed nonhuman primates

Bernhard J. Hering, Martin Wijkstrom, Melanie L. Graham, Maria Hårdstedt, Tor C. Aasheim, Tun Jie, Jeffrey D. Ansite, Masahiko Nakano, Jane Cheng, Wei Li, Kathleen Moran, Uwe Christians, Colleen Finnegan, Charles D. Mills, David E. Sutherland, Pratima Bansal-Pakala, Michael P. Murtaugh, Nicole Kirchhof, Henk Jan Schuurman

Research output: Contribution to journalArticlepeer-review

397 Scopus citations

Abstract

Cell-based diabetes therapy requires an abundant cell source. Here, we report reversal of diabetes for more than 100 d in cynomolgus macaques after intraportal transplantation of cultured islets from genetically unmodified pigs without Gal-specific antibody manipulation. Immunotherapy with CD25-specific and CD154-specific monoclonal antibodies, FTY720 (or tacrolimus), everolimus and leflunomide suppressed indirect activation of T cells, elicitation of non-Gal pig-specific IgG antibody, intragraft expression of proinflammatory cytokines and invasion of infiltrating mononuclear cells into islets.

Original languageEnglish (US)
Pages (from-to)301-303
Number of pages3
JournalNature Medicine
Volume12
Issue number3
DOIs
StatePublished - Mar 2006

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