Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Παρασκευή 20 Απριλίου 2018

State of the Art: Role of the Dendritic Cell in Induction of Allograft Tolerance

Despite decades of research, the induction and maintenance of long-term allograft tolerance without immunosuppression remains an elusive goal in the field of solid organ and cell transplantation. Immunosuppressive medications frequently prevent or minimize acute cellular rejection but have failed to halt anti-donor antibody production and chronic organ rejection. Past efforts aimed at promoting lasting allograft tolerance have focused primarily on peripheral T cell depletion,1 augmentation of regulatory T cells,2 or induction via simultaneous hematopoietic stem cell transplantation and facilitation of donor chimerism.3 So far, none of these methods have led to consistently safe, feasible and long lasting donor organ acceptance. Over the course of the past 4 decades, the study of a unique population of antigen-presenting cells known as dendritic cells (DCs) has shown promise for breaking new ground in achieving indefinite allograft survival without immunosuppression and its associated adverse effects. In this review, we discuss the discovery and early investigations of DCs and chronicle some of the key studies demonstrating their role in transplantation, particularly in indirect allorecognition, the immunologic pathway thought to drive chronic rejection and perhaps tolerance induction. Sarah J. Rosen, M.D., 630 W. 168th St., Rm. 10-502, New York, NY 10032. sr2490@cumc.columbia.edu Sarah J. Rosen participated in the writing of the paper. Paul E. Harris participated in the writing of the paper. Mark A. Hardy participated in the writing of the paper. The authors declare no conflicts of interest. Funding for this work was provided by the National Institutes for Health 2T32HL007854-21. Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.

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