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A short-treatment with nondepleting antibodies, such as those targeting CD4 or CD154 (CD40 ligand), allows long-term graft survival without the need for continuous immunosuppression. This state of immune tolerance is maintained by regulatory CD4+ T cells present within both the lymphoid tissue and the tolerated graft. The nature of such regulatory T cells, their relationship to CD4+CD25+ T cells, and their mode of action have all been the subjects of much attention recently. Here, we review recent progress on understanding the nature, specificity, and mechanisms of action of T cells mediating dominant tolerance brought about by antibody therapy.

Original publication




Journal article


Immunol Res

Publication Date





181 - 191


Animals, Antibodies, Monoclonal, CD4-Positive T-Lymphocytes, Graft Survival, Immune Tolerance, Immunosuppression, Mice, Rats, Receptors, Interleukin-2, T-Lymphocyte Subsets, Transplantation Immunology, Transplantation, Homologous