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中华诊断学电子杂志 ›› 2025, Vol. 13 ›› Issue (03) : 183 -187. doi: 10.3877/cma.j.issn.2095-655X.2025.03.007

临床研究

视网膜静脉阻塞与载脂蛋白E和亚甲基四氢叶酸还原酶C677T基因多态性的相关研究
王燕青, 彭辉()   
  1. 221000 徐州市第一人民医院检验科
  • 收稿日期:2025-04-14 出版日期:2025-08-26
  • 通信作者: 彭辉
  • 基金资助:
    徐州市科技计划项目(KC18969)

Study on correlation between retinal vein obstruction and apolipoprotein E and methylene tetrahydrofolate reductase C677T gene polymorphisms

Yanqing Wang, Hui Peng()   

  1. Department of Laboratory Medicine, Xuzhou No.1 People′s Hospital, Xuzhou 221000, China
  • Received:2025-04-14 Published:2025-08-26
  • Corresponding author: Hui Peng
引用本文:

王燕青, 彭辉. 视网膜静脉阻塞与载脂蛋白E和亚甲基四氢叶酸还原酶C677T基因多态性的相关研究[J/OL]. 中华诊断学电子杂志, 2025, 13(03): 183-187.

Yanqing Wang, Hui Peng. Study on correlation between retinal vein obstruction and apolipoprotein E and methylene tetrahydrofolate reductase C677T gene polymorphisms[J/OL]. Chinese Journal of Diagnostics(Electronic Edition), 2025, 13(03): 183-187.

目的

探究视网膜静脉阻塞(RVO)与载脂蛋白E(ApoE)和亚甲基四氢叶酸还原酶(MTHFR)C677T基因多态性的相关性。

方法

采用病例对照研究,选择2021年9月至2024年9月徐州市第一人民医院收治的RVO患者165例(RVO组)和同期医院收治的年龄和性别匹配的非视网膜疾病患者165例(非RVO组)。采用聚合酶链式反应-限制性片段长度多态性技术检测基因ApoEMTHFR C677T位点多态性,两组基因型及等位基因频率比较,采用卡方检验或Fisher精确概率检验。采用二元Logistic回归模型分析其与RVO易感性之间的关系。

结果

RVO组ApoE基因ε4等位基因频率显著高于非RVO组(7.27%,3.64%,χ2=4.231,P<0.05);RVO组MTHFR C677T位点TT基因型频率显著高于非RVO组(33.33%,15.15%,χ2=14.850,P<0.05),T等位基因频率显著高于非RVO组(56.97%,43.33%,χ2=12.273,P<0.05)。二元Logistic回归分析结果显示,调整高血压病、糖尿病等因素后,ApoE基因ε4等位基因(OR=2.221,95%CI:1.051~4.696)和MTHFR C677T基因T等位基因(OR=1.822,95%CI:1.353~2.454)与RVO易感性有关(均P<0.05)。

结论

RVO与ApoEMTHFR C677T基因多态性存在关联,且ApoE基因ε4等位基因及MTHFR基因C677T位点T等位基因能够增加RVO发生风险。

Objective

To investigate the correlation between retinal vein obstruction (RVO) and apolipoprotein E (ApoE) and methylene tetrahydrofolate reductase (MTHFR) C677T gene polymorphisms.

Methods

A case-control study was conducted, enrolling 165 patients with RVO (RVO group) admitted to Xuzhou No.1 People′s Hospital from September 2021 to September 2024, and 165 age-and gender-matched patients without retinal diseases (non-RVO group) hospitalized during the same period. ApoE and MTHFR C677T loci polymorphisms were detected by polymerase chain reaction and restriction and fragment length polymorphism, and the chi-square test or Fisher′s exact test was used to compare genotype and allele frequencies between the 2 groups. The relationship between these polymorphisms and RVO susceptibility was analyzed by binary Logistic regression model.

Results

The frequency of ApoE ε4 allele in RVO group was significantly higher than that in non-RVO group (7.27%, 3.64%, χ2=4.231, P<0.05). The TT genotype frequency of MTHFR C677T locus was significantly higher in RVO group than that in non-RVO group (33.33%, 15.15%, χ2=14.850, P<0.05), and the T allele frequency in RVO group was significantly higher than that in non-RVO group (56.97%, 43.33%, χ2=12.273, P<0.05). Binary Logistic regression analysis showed that the ε4 allele of ApoE (OR=2.221, 95%CI: 1.051-4.696) and the T allele of MTHFR C677T (OR=1.822, 95%CI: 1.353-2.454) were associated with RVO susceptibility after adjusting hypertension, diabetes mellitus and other factors (all P<0.05).

Conclusion

RVO is associated with polymorphisms of ApoE and MTHFR C677T gene, and the ε4 allele of ApoE and the T allele of MTHFR C677T locus can increase the risk of RVO.

表1 引物序列
表2 两组基线资料比较
表3 两组ApoE基因型及等位基因频率比较(例)
表4 两组MTHFR C677T位点基因型及等位基因频率比较(例)
表5 ApoEMTHFR C677T基因多态性与RVO易感性的二元Logistic回归分析
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