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Genetic interactions between the donor and the recipient for susceptibility to acute rejection in kidney transplantation: polymorphisms of CCR5

Cited 16 time in Web of Science Cited 16 time in Scopus
Authors
Cha, Ran-hui; Yang, Seung Hee; Kim, Sun Moon; Park, Myoung Hee; Kim, Hyo Sang; Ha, Jongwon; Kim, Yon Su
Issue Date
2009-09
Publisher
OXFORD UNIV PRESS
Citation
NEPHROLOGY DIALYSIS TRANSPLANTATION; Vol.24 9; 2919-2925
Keywords
acute rejectionCCR5kidney transplantationpolymorphism
Abstract
Background. Acute rejection (AR) contributes to the development of chronic allograft nephropathy that is the major cause of graft failure. We analyzed the 59029G>A polymorphism and an internal 32 bp deletion (CCR5 32) of CCR chemokine receptor 5 (CCR5) and tried to prove the hypothesis that genetic interactions between the donor
and the recipient influence the development of AR. Methods. We detected genetic polymorphisms by the TaqMan (R) method and by sizing PCR amplicons (n = 486). The primary outcomes were early acute rejection (EAR) and repeated early acute rejection (RR). We defined EAR as the occurrence of a biopsy-proven AR within 3 months after transplantation. Results. The development of EAR was dependent on the number of A alleles in recipients and showed a dose-response relationship (P = 0.002). When we combined the number of A alleles in both donor and recipient, episodes of EAR and RR were more prevalent as the allelic number increased (A allelic number 0 & 1, 2 versus 3 & 4, P = 0.048; 0 & 1 versus 3 & 4, P = 0.006). Statistical significance was preserved after multivariate analysis of sex, HLA mismatch and type of donor with the recipient`s age as the continuous term. Also, graft survival was different according to the presence of the A allele, i.e. recipients carrying A allele (+) grafts showed poor graft survival (P = 0.008 by a log-rank test). Again, the number of A alleles affected graft survival as the recipients who carried more A alleles had poor graft survival (A allele number 0 & 1 versus 2 versus 3 & 4, P = 0.011; 0 & 1 versus 3 & 4, P = 0.08; 0 & 1 versus 2, P = 0.002; by a log-rank test). All of the participants were wild-type homozygotes for CCR5 delta 32. Conclusions. The A allele of CCR5 59029G > A was a risk factor for EAR and RR. As the number of A alleles increased, episodes of EAR were more frequently observed.
ISSN
0931-0509
Language
English
URI
http://hdl.handle.net/10371/76401
DOI
https://doi.org/10.1093/ndt/gfp317
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College of Medicine/School of Medicine (의과대학/대학원)Laboratory Medicine (검사의학전공)Journal Papers (저널논문_검사의학전공)
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