Induction of immunological tolerance to islet allografts

A. A. Rossini, D. C. Parker, N. E. Phillips, F. H. Durie, R. J. Noelle, J. P. Mordes, D. L. Greiner

Research output: Contribution to journalArticlepeer-review

56 Scopus citations


T-cell dependent activation of resting B cells involves the interaction of gp39 on T cells with its receptor, CD40, on B cells. We administered either a combination of T-cell-depleted splenic lymphocytes and anti-gp39 monoclonal antibody or antibody alone to establish islet allografts in mice without continuous immunosuppression. Fully allogeneic H-2(q) FVB islets were permanently accepted by chemically diabetic H-2b C57BL/6 mice provided that the recipients were pretreated with both T-cell-depleted donor spleen cells and anti-gp39 antibody. Antibody alone was less effective in prolonging allograft survival, but we did observe that anti-gp39 mAb alone can exert an independent, primary effect on islet allograft survival that was dose dependent. Targeting gp39, in combination with lymphocyte transfusion, might prove suitable for tolerance induction and allotransplantation without immunosuppression.

Original languageEnglish (US)
Pages (from-to)49-52
Number of pages4
JournalCell Transplantation
Issue number1
StatePublished - 1996
Externally publishedYes


  • Allograft
  • CD40
  • CD40 ligand
  • Islet
  • Tolerance

ASJC Scopus subject areas

  • General Medicine


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