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The Use of Donor-Derived Cell-Free DNA for Assessment of Allograft Rejection and Injury Status.


ABSTRACT: Patient monitoring after kidney transplantation (KT) for early detection of allograft rejection remains key in preventing allograft loss. Serum creatinine has poor predictive value to detect ongoing active rejection as its increase is not sensitive, nor specific for acute renal allograft rejection. Diagnosis of acute rejection requires allograft biopsy and histological assessment, which can be logistically challenging in some cases and carries inherent risk for complications related to procedure. Donor-derived cell-free DNA (dd-cfDNA), DNA of donor origin in the blood of KT recipient arising from cells undergoing injury and death, has been examined as a potential surrogate marker for allograft rejection. A rise in dd-cfDNA levels precedes changes in serum creatinine allows early detections and use as a screening tool for allograft rejection. In addition, when used in conjunction with donor-specific antibodies (DSA), it increases the pre-biopsy probability of antibody-mediated rejection (ABMR) aiding the decision-making process. Advancements in noninvasive biomarker assays such as dd-cfDNA may offer the opportunity to improve and expand the spectrum of available diagnostic tools to monitor and detect risk for rejection and positively impact outcomes for KT recipients. In this this article, we discussed the evolution of dd-cfDNA assays and recent evidence of assessment of allograft rejection and injury status of KT by the use of dd-cfDNA.

SUBMITTER: Thongprayoon C 

PROVIDER: S-EPMC7290747 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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The Use of Donor-Derived Cell-Free DNA for Assessment of Allograft Rejection and Injury Status.

Thongprayoon Charat C   Vaitla Pradeep P   Craici Iasmina M IM   Leeaphorn Napat N   Hansrivijit Panupong P   Salim Sohail Abdul SA   Bathini Tarun T   Rivera Franco H Cabeza FHC   Cheungpasitporn Wisit W  

Journal of clinical medicine 20200514 5


Patient monitoring after kidney transplantation (KT) for early detection of allograft rejection remains key in preventing allograft loss. Serum creatinine has poor predictive value to detect ongoing active rejection as its increase is not sensitive, nor specific for acute renal allograft rejection. Diagnosis of acute rejection requires allograft biopsy and histological assessment, which can be logistically challenging in some cases and carries inherent risk for complications related to procedure  ...[more]

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