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The possible critical role of T-cell help in DSA-mediated graft loss

C. Süsal, A. Slavcev, L. Pham, M. Zeier, C. Morath,

. 2018 ; 31 (6) : 577-584. [pub] 20180308

Language English Country England, Great Britain

Document type Journal Article, Review

Persistent link   https://www.medvik.cz/link/bmc19000936

Grant support
NV16-27477A MZ0 CEP Register

In this review, we discuss a possible central role of T-cell help in severe forms of graft damage mediated by donor-specific HLA antibodies (DSA). Some kidney transplant recipients with pretransplant DSA show a high graft failure rate, whereas in other patients DSA do not harm the transplanted kidney and in most cases, disappear shortly after transplantation. Analyzing 80 desensitized highly immunized kidney transplant recipients and another multicenter cohort of 385 patients with pretransplant HLA antibodies, we reported recently that an ongoing T-cell help from an activated immune system, as measured by an increased level of soluble CD30 in serum, might be necessary for the DSA to exert a deleterious effect. Patients positive for both pretransplant DSA and sCD30 appear to require special measures, such as the elimination of DSA from the circulation, potent immunosuppression, good HLA-matching, and intense post-transplant monitoring, whereas exclusion of DSA-positive patients from transplantation in the absence of high sCD30 may not be justified in all cases, even if the pretransplant DSA are strong and complement-activating.

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