Journal
TRANSPLANT INTERNATIONAL
Volume 27, Issue 4, Pages 362-370Publisher
WILEY
DOI: 10.1111/tri.12266
Keywords
HLA; IP-10; kidney transplant; rejection; NGAL
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Funding
- Queen Elizabeth Hospital Charities fund
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Acute rejection is a significant problem for patients undergoing HLA-incompatible renal transplantation, affecting between 12 and 53% of patients. Any mechanism of detecting rejection in advance of current methods would offer significant benefit. This study aimed to evaluate whether serum biomarkers could predict rejection in HLAi transplants recipients. Sera from 94 HLAi transplant recipients from a single centre were analysed for a panel of biomarkers including: NGAL, KIM-1, IP-10, cystatin C, cathepsin L and VEGF. Biomarker levels pre-operatively, day 1 and at day 30 post-transplant were correlated with the development of early rejection. Significantly higher levels of IP-10 and NGAL were seen on day 1 following transplant in those patients who developed acute rejection (P<0.001 and 0.005) and generated AUC of 0.73 and 0.67, respectively. No differences were seen for the other biomarkers or at the other time points. In this study cohort, IP-10 and NGAL have demonstrated good predictive ability for the development of acute rejection at a very early time point. They may have a role in identifying patients at higher risk for rejection and stratifying immunosuppression or surveillance.
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