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Polymorphisms in cytotoxic T lymphocyte associated antigen-4 influence the rate of acute rejection after renal transplantation in 167 Chinese recipients.

Authors: Gao, JW  Guo, YF  Fan, Y  Qiu, JX  Bao, ED  Liu, Y  Qin, Y  Zhang, F 
Citation: Gao JW, etal., Transpl Immunol. 2012 Jun;26(4):207-11. doi: 10.1016/j.trim.2012.02.005. Epub 2012 Mar 6.
Pubmed: (View Article at PubMed) PMID:22418270
DOI: Full-text: DOI:10.1016/j.trim.2012.02.005

Gene polymorphisms of cytotoxic T lymphocyte associated antigen 4 (CTLA4) play an influential role in the graft rejection and long-term clinical outcome of organ transplantation. We investigated the associations of five CTLA4 single nucleotide polymorphisms (SNPs) (rs733618T/C, rs4553808A/G, rs5742909C/T, rs231775G/A, rs3087243G/A) on the early acute rejection (AR) of Chinese deceased donor renal transplantation recipients. Genotyping of the CTLA4 SNPs was performed in 167 deceased donor renal transplantation recipients. Each patient underwent a 6-month follow-up observation for AR. The incidence of AR during the 6 months post-transplantation was 26.9% (45 out of 167 patients). Patients experiencing AR were found to have a higher frequency of the rs733618TT genotype and T allele (p=0.000 and p=0.002, respectively). While the haplotype CACAG was merely observed in non-AR group (corrected p=0.000), the frequency of haplotype TACGG was significantly higher in AR group than in non-AR group even after 50,000 permutation tests (corrected p=0.018). In conclusion, these polymorphisms statistically significantly associated with acute renal allograft rejection may be considered as a risk factor of AR in Chinese renal transplantation recipients except for haplotype CACAG as a protective one.

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RGD Object Information
RGD ID: 7204671
Created: 2012-12-26
Species: All species
Last Modified: 2012-12-26
Status: ACTIVE



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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.