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Παρασκευή 21 Ιουλίου 2017

New answers to old conundrums: what antibodies, exosomes and inflammasomes bring to the conversation. Canadian National Transplant Research Program international summit report.

Antibody-mediated injury is a major cause of allograft dysfunction and loss. Antibodies to ABH(O) blood group antigens are classical mediators of ABO-incompatible (ABOi) graft rejection, while donor-specific anti-HLA antibodies and, more recently, autoantibodies are appreciated as important contributors to allograft inflammation and dysfunction. In August 2016, the International Summit of the Canadian National Transplant Research Program focused on recent advances in the field of antibody-mediated rejection. Here, we describe work presented and discussed at the meeting, with a focus on 3 major themes: the importance of 1- Natural antibodies and autoantibodies, 2- tissue injury derived exosomes and autoimmunity, 3- inflammasome activation and innate immune responses in regulating allograft inflammation and dysfunction. Finally, we explore novel areas of therapeutic intervention that have recently emerged from these 3 major and overlapping fields of transplantation research. This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. Copyright (C) 2017 Wolters Kluwer Health, Inc. All rights reserved.

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