IMR Press / FBL / Volume 12 / Issue 11 / DOI: 10.2741/2384

Frontiers in Bioscience-Landmark (FBL) is published by IMR Press from Volume 26 Issue 5 (2021). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with Frontiers in Bioscience.

Open Access Article
Induction of allograft tolerance in nonhuman primates and humans
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1 Transplantation Unit, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
Academic Editor:Gilles Benichou
Front. Biosci. (Landmark Ed) 2007, 12(11), 4248–4253; https://doi.org/10.2741/2384
Published: 1 May 2007
(This article belongs to the Special Issue New insights in transplantation tolerance)
Abstract

Despite remarkable improvement in short-term survival following organ transplantation, long-term results have been less satisfactory, mainly due to chronic rejection or toxicities induced by immunosuppressive drugs. Therefore, induction of specific immunologic tolerance remains an important goal in organ transplantation. Although numerous regimens for the induction of allograft tolerance have been developed in rodents, their application to large animal models has been limited. The mechanisms of action of the approaches that have been successfully applied in monkey models can be divided into three major categories: 1) deletion, 2) co-stimulatory blockade and 3) regulation. Long-term allograft survival has now been achieved in several nonhuman primate models; however, late-onset chronic rejection as well as the toxicity of some of these regimens remain as significant limitations that hamper clinical application.

Keywords
Transplantation
Immune Tolerance
Chimerism
Costimulatory Blockade
Non-Human Primates
Review
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