遗传 ›› 2017, Vol. 39 ›› Issue (1): 22-31.doi: 10.16288/j.yczz.16-295

• 研究报告 • 上一篇    下一篇

多NER基因多态的交互作用与移植排斥的发病风险相关

王本刚1(),吕执2,徐倩2,刘永锋1()   

  1. 1. 普通外科研究所暨器官移植科,中国医科大学附属一院,沈阳 110001
    2. 普通外科研究所暨肿瘤研究所肿瘤病因与筛查研究室,中国医科大学附属一院,辽宁省高校肿瘤病因与预防重点实验室,沈阳 110001
  • 收稿日期:2016-08-26 修回日期:2016-11-17 出版日期:2017-01-20 发布日期:2017-12-24
  • 作者简介:王本刚,博士,讲师,研究方向：器官移植。E-mail: wangbengang2008@163.com|刘永锋，博士，教授，研究方向：器官移植。E-mail: liuyongfengsubmit@163.com
  • 基金资助:
    国家自然科学基金项目(31200968)

Interactions among polymorphisms of NER genes prompt the risk of transplantation rejection

Bengang Wang1(),Zhi Lv2,Qian Xu2,Yongfeng Liu1   

  1. 1. Organ Transplantation Department of General Surgery Institute, the First Affiliated Hospital of China Medical University, Shenyang 110001, China
    2. Tumor Etiology and Screening Department of Cancer Institute and General Surgery, the First Affiliated Hospital of China Medical University, and Key Laboratory of Cancer Etiology and Prevention (China Medical University), Liaoning Provincial Education Department, Shenyang 110001, China
  • Received:2016-08-26 Revised:2016-11-17 Online:2017-01-20 Published:2017-12-24
  • Supported by:
    the National Natural Science Foundation of China(31200968)

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摘要：

基因间SNP-SNP的交互作用较单一SNP对于疾病的预警作用可能会达到更优的检测效能。本研究探讨了核苷酸切除修复(NER)系统基因中SNP交互作用对移植排斥反应发病风险的预警作用。通过Sequenom MassARRAY平台进行基因分型,对8个NER基因中的38个多态进行了检测,包括XPA、XPC、DDB2、XPB (ERCC3)、XPD (ERCC2)、ERCC1、XPF (ERCC4)和XPG (ERCC5)基因。单体型分析结果显示,XPA rs3176629-rs2808668 C-T单体型以及ERCC5 G-C-C-T和G-C-T-C单体型可以增加移植排斥反应的发病风险(分别为OR = 1.81,OR=7.72和OR=3.46),而ERCC5 rs2094258-rs751402-rs2296147-rs1047768 A-C-T-T单体型降低了该风险(OR = 0.35)。多因素Logistic回归与多因子降维(MDR)分析均表明,ERCC2 rs50871、ERCC5 rs1047768和XPC rs2228001多态对于发生移植排斥反应存在基因间SNP-SNP的交互作用。因此,XPC rs2228001、ERCC2 rs50871、ERCC5 rs1047768三者的交互作用与移植排斥反应的发病风险相关。

关键词: 基因多态性, 移植, 排斥反应

Abstract:

Better efficacy for predicting the risk of transplantation rejection could be achieved by intergenic interactions among single nucleotide polymorphisms (SNPs) compared with one SNP. In this study, we explored the forewarning function of interactions among SNPs in nucleotide excision repair (NER) genes. Thirty-eight polymorphisms in eight NER genes were genotyped by Sequenom MassARRAY platform, including XPA, XPC, DDB2, XPB (ERCC3), XPD (ERCC2), ERCC1, XPF (ERCC4), and XPG (ERCC5). The haplotype analysis suggested that XPA rs3176629-rs2808668 C-T and ERCC5 G-C-C-T and G-C-T-C (OR = 1.81, 7.72 and 3.46, respectively) increased the risk of transplantation rejection; while ERCC5 rs2094258-rs751402-rs2296147-rs1047768 A-C-T-T decreased the risk (OR = 0.35). Multiple logistic regression and multifactor dimensionality reduction (DMR) analyses consistently revealed intergenic interactions among ERCC2 rs50871, ERCC5 rs1047768, and XPC rs2228001 SNPs for the risk of transplantation rejection. Taken together, the interactions among XPC rs2228001, ERCC2 rs50871 and ERCC5 rs1047768 SNPs were associated with the risk of transplantation rejection.

Key words: gene polymorphisms, transplantation, rejection