A significant role for histocompatibility in human islet transplantation

T. Mohanakumar, Kishore Narayanan, Niraj Desai, Sabarinathan Ramachandran, Surendra Shenoy, Martin Jendrisak, Brian M. Susskind, Barbara Olack, Nicholas Benshoff, Donna L. Phelan, Daniel C. Brennan, Luis A. Fernandez, Jon S. Odorico, Kenneth S. Polonsky

Research output: Contribution to journalArticlepeer-review

51 Scopus citations


BACKGROUND. In recent years, transplantation of islets and pancreas has become a viable option for patients debilitated with type I diabetes. The success of islet transplantation has been attributed to the ability to isolate high quality islets for transplantation and capacity to maintain the recipient's immunosuppressive levels within a specific target range following transplantation. The purpose of this study was to determine the role of pretransplant sensitization to human leukocyte antigen (HLA) in islet transplantation. METHODS. We retrospectively analyzed seven patients that were transplanted with islets under the auspices of the Juvenile Diabetes Research Foundation and Islet Cell Resource Center/National Institutes of Health. Humoral sensitization towards donor antigens both prior to and following islet transplantation was detected by FLOW panel reactive antibodies (PRA) and donor-specific cellular sensitization was detected by performing enzyme-linked immunospot assay analysis for cytokines interferon-γ and interleukin-2. RESULTS. Our analysis demonstrates that humoral and cellular sensitization to histocompatibility antigens prior to and after islet transplantation are associated with the failure of transplanted islets CONCLUSION. Patient selection based on sensitization to donor HLA may be one of the factors crucial for the success of islet transplant. Further, in some patients, rejection of islets can be associated with sensitization to mismatched donor histocompatibility antigens.

Original languageEnglish
Pages (from-to)180-187
Number of pages8
Issue number2
StatePublished - Jul 2006


  • Antibody
  • Histocompatibility
  • Islets
  • Transplantation


Dive into the research topics of 'A significant role for histocompatibility in human islet transplantation'. Together they form a unique fingerprint.

Cite this