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자료유형
학술저널
저자정보
Poppelaars Felix (Division of Nephrology Department of Internal Medicine University Medical Center Groningen University of Groningen Groningen the Netherlands) Eskandari Siawosh K. (Division of Nephrology Department of Internal Medicine University Medical Center Groningen University of Groningen Groningen the Netherlands) Damman Jeffrey (Department of Pathology Erasmus University Medical Center Rotterdam the Netherlands) Seelen Marc A. (Division of Nephrology Department of Internal Medicine University Medical Center Groningen University of Groningen Groningen the Netherlands) Faria Bernardo (Division of Nephrology Department of Internal Medicine University Medical Center Groningen University of Groningen Groningen the Netherlands) da Costa Mariana Gaya (Division of Nephrology Department of Internal Medicine University Medical Center Groningen University of Groningen Groningen the Netherlands)
저널정보
대한신장학회 Kidney Research and Clinical Practice Kidney Research and Clinical Practice Vol.42 No.3
발행연도
2023.5
수록면
389 - 402 (14page)
DOI
10.23876/j.krcp.22.061

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Background: Despite current matching efforts to identify optimal donor-recipient pairs for kidney transplantation, alloimmunity remains a major source of late transplant failure. Additional genetic parameters in donor-recipient matching could help improve long-term outcomes. Here, we studied the impact of a non-muscle myosin heavy chain 9 gene (MYH9) polymorphism on allograft failure.Methods: We conducted an observational cohort study, analyzing the DNA of 1,271 kidney donor-recipient transplant pairs from a single academic hospital for the MYH9 rs11089788 C>A polymorphism. The associations of the MYH9 genotype with risk of graft failure, biopsy-proven acute rejection (BPAR), and delayed graft function (DGF) were estimated.Results: A trend was seen in the association between the MYH9 polymorphism in the recipient and graft failure (recessive model, p = 0.056), but not for the MYH9 polymorphism in the donor. The AA-genotype MYH9 polymorphism in recipients was associated with higher risk of DGF (p = 0.03) and BPAR (p = 0.021), although significance was lost after adjusting for confounders (p = 0.15 and p = 0.10, respectively). The combined presence of the MYH9 polymorphism in donor-recipient pairs was associated with poor long-term kidney allograft survival (p = 0.04), in which recipients with an AA genotype receiving a graft with an AA genotype had the worst outcomes. After adjustment, this combined genotype remained significantly associated with 15-year death-censored kidney graft survival (hazard ratio, 1.68; 95% confidence interval, 1.05–2.70; p = 0.03).Conclusion: Our results reveal that recipients with an AA-genotype MYH9 polymorphism receiving a donor kidney with an AA genotype have significantly elevated risk of graft failure after kidney transplantation.

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