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Review
. 2010 Feb;15(1):16-20.
doi: 10.1097/MOT.0b013e3283342780.

Antihuman leukocyte antigen antibody-induced autoimmunity: role in chronic rejection

Dilip S Nath  1 , Haseeb Illias Basha, Thalachallour Mohanakumar
Affiliations
Review

Antihuman leukocyte antigen antibody-induced autoimmunity: role in chronic rejection

Dilip S Nath et al. Curr Opin Organ Transplant. 2010 Feb.

Abstract

Purpose of review: We provide evidence for the role of de-novo development of immune responses to self-antigens in the posttransplant period and its possible induction by alloimmunity in the pathogenesis of chronic rejection following lung, heart and kidney transplantation. The present review details recent findings for the two distinct yet interdependent immune processes in the immunopathogenesis of chronic rejection.

Recent findings: The contribution of both humoral and cell-mediated alloimmune responses against mismatched donor histocompatibility antigens (HLA) in the pathogenesis of chronic rejection is well established. Recent studies have focused on development of immune responses to self-antigens during the posttransplant period and its correlation with chronic rejection. These self-antigens include myosin and vimentin in cardiac, K-alpha-1-tubulin and collagen-V in lung and angiotensin II type 1 receptor, collagen-IV and VI in kidney transplants. During the posttransplant period, the development of immune responses to self-antigens is facilitated by induction of a distinct subset of autoreactive T-helper cells referred to as Th17 cells.

Summary: Following organ transplantation, tissue injury and remodeling inflicted by antibodies (Abs) to HLA antigens is conducive to develop autoimmunity. Abs to HLA and self-antigens are detectable in the serum of transplant recipients who develop chronic rejection. Anti-HLA Abs are often present transiently but precede the development of Abs to self-antigens.

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References

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