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Functional Immune Monitoring of BK Virus And Donor‐Specific T‐cell Effector Immune Responses to Guide Treatment Decision‐Making After Kidney Transplantation; an Illustrative Case Report And Literature Review

Marta Lepore et.al., Transplant Infectious Disease (2020) - PMID: 33070461

Product(s) used in this publication: PepMix™ Peptide Pools

Abstract
 

Differential diagnosis between Polyoma virus associated-nephropathy (PVAN) and T-cell mediated rejection (TCMR) might be challenging, as respective treatment approaches are totally opposite. Here we report the illustrative case of a kidney transplant recipient with PVAN who developed a persistent acute TCMR after full abrogation of viral infection through immunosuppression modulation. By simultaneous functional immune monitoring of BKV and donor-specific T-cell responses using IFN-γELISPOT assay, we retrospectively demonstrated the predominant effector mechanisms responsible of allograft injury and thus, potential guidance for treatment decision-making. Furthermore, the evidence of an efficient T-cell alloimmunity abrogation accompanied by a sustained anti-viral response after sirolimus addition, promotes the potential benefit of converting patients to an mTOR-based immunosuppression in case of PVAN.

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