Biomarkers for assessing the quality of donor kidneys
Abstract
The shortage of suitable donor organs and the increase in the proportion of extended criteria donors and donation after circulatory death necessitate the most accurate possible assessment of donor kidney quality, regardless of its origin. Adequate assessment of donor kidneys for transplantation remains insufficiently objective, as it is impossible to predict the severity of post-transplant ischemic-reperfusion injury and the prospects for restoration of transplanted kidney function based on standard approaches. The purpose of this review is to evaluate biomarkers of donor kidney quality prior to transplantation and the prognostic value of these indicators for early and long-term graft function.
The paper considers biomarkers of donor kidney quality (blood, urine, biopsies, and perfusate) and markers of acute damage (NGAL, KIM-1, IL-18, CXCL10, etc.), along with “repair” markers (uromodulin, osteopontin), proteomics, and molecular signatures of transcriptomics. Their prognostic value for delayed graft function, primary non-function, acute rejection, and long-term survival of the transplanted kidney is analyzed. Therefore, the most effective approach to assessing the quality of a donor kidney is a multiparametric approach combining traditional assessment methods and prediction using the latest biomarkers.
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