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中华结直肠疾病电子杂志 ›› 2016, Vol. 05 ›› Issue (01) : 40 -46. doi: 10.3877/cma.j.issn.2095-3224.2016.01.08

所属专题: 文献

论著

XPG Asp1104His基因多态性与中国人口结直肠癌易感性的关系
杜海娜1, 朱陵君2,(), 杜牧龙3, 王美林3, 束永前2   
  1. 1. 210000 南京市中医院肿瘤科
    2. 南京医科大学第一附属医院肿瘤科
    3. 南京医科大学公共卫生学院
  • 收稿日期:2015-12-26 出版日期:2016-02-25
  • 通信作者: 朱陵君
  • 基金资助:
    国家自然科学基金(NSFC 81472634)

The association between XPG Asp1104His polymorphism and colorectal cancer risk in the Chinese population

Haina Du1, Lingjun Zhu2,(), Mulong Du3, Meilin Wang3, Yongqian Shu2   

  1. 1. Department of Oncology, Nanjing Hospital of T. C. M, Nanjing 210000, China
    2. Department of Oncolog, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210000, China
    3. School of Public Health Nanjing Medical University, Nanjing 210000, China
  • Received:2015-12-26 Published:2016-02-25
  • Corresponding author: Lingjun Zhu
  • About author:
    Corresponding author: Zhu Lingjun, Email:
引用本文:

杜海娜, 朱陵君, 杜牧龙, 王美林, 束永前. XPG Asp1104His基因多态性与中国人口结直肠癌易感性的关系[J/OL]. 中华结直肠疾病电子杂志, 2016, 05(01): 40-46.

Haina Du, Lingjun Zhu, Mulong Du, Meilin Wang, Yongqian Shu. The association between XPG Asp1104His polymorphism and colorectal cancer risk in the Chinese population[J/OL]. Chinese Journal of Colorectal Diseases(Electronic Edition), 2016, 05(01): 40-46.

目的

已有研究报道着色性干皮病基因(XPG)Asp1104His多态性与结直肠癌易感性相关,但是结果尚不一致。本研究旨在调查XPG Asp1104His基因多态性是否与中国人口的大肠癌易感性相关。

方法

应用TaqMan分析法检测878例肠癌患者和884例同期住院的非肠癌患者XPG基因的Asp1104His多态性,并分析其与肠癌遗传易感性的相关性。同时我们用荟萃分析验证这一结果。

结果

我们发现XPG Asp1104His基因多态性与大肠癌遗传易感性显著相关(显性模型:His/His+Asp/His vs Asp/Asp,调整OR=1.39,95%CI=1.14~1.69),分层分析结果显示His/His+Asp/His基因型与中分化肠癌易感性相关。另外,我们的荟萃分析显示相似的结果:显性模型(OR=1.35,95%CI=1.20~1.51)在亚洲人口中与肠癌发病风险明显相关。

结论

我们的结果表明:XPG Asp1104His基因多态性增加亚洲人罹患肠癌的风险。

Objective

Some studies have reported that the Asp1104His polymorphism in Xeroderma Pigmentosum complementation group G (XPG) was significantly associated with the colorectal cancer (CRC) susceptibility, although the previous results were inconsistent. This study was aiming to investigate whether there existed an association between XPG Asp1104His polymorphism and CRC risk in an independent Chinese population.

Methods

A total of 878 CRC cases and 884 healthy controls were recruited in our analysis. We used the TaqMan assay to genotype XPG Asp1104His and evaluated its association with CRC susceptibility. A further meta-analysis was performed to consolidate the results.

Results

We found that XPG Asp1104His polymorphism was associated with a significantly increased CRC risk (dominant model: His/His+ Asp/His vs. Asp/Asp, adjusted OR=1.39, 95%CI=1.14~1.69). Stratification analysis by clinical characteristics indicated that the His/His+ Asp/His genotypes were associated with increased CRC susceptibility in patients with moderately differentiated grade (OR=1.44, 95%CI=1.17~1.78), but not in poorly and well differentiated grade. Furthermore, we identified that the meta-analysis reported a similar results in dominant model (OR=1.35; 95%CI=1.20~1.51). Especially, when stratified by ethnicity, an evidently increased risk was identified in the Asian population.

Conclusions

Our findings suggested that XPG Asp1104His polymorphism could increase the susceptibility of CRC in Asian populations.

表1 患者一般特征表
表2 XPG Asp1104His基因多态性与肠癌发病风险的关系表
表3 XPG Asp1104His基因型和临床特征的关系表
表4 XPG Asp1104His基因型和临床特征的关系表
表5 荟萃分析中入选文章基本信息表
表6 XPG Asp1104His多态性和肠癌的荟萃分析结果表
图1 XPG Asp1104His多态性和肠癌的关系:a图是纯合子模型(His/His vs Asp/Asp);b图是显性模型(His/His+Asp/His vs Asp/Asp)
图2 XPG Asp1104His多态性与亚洲人口肠癌风险的关系。a图是His/His vs Asp/Asp;b图是Asp/His vs Asp/Asp;c图是His/His+Asp/His vs Asp/Asp
图3 发表偏倚(显性模型)
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