生物转化酶基因在多环芳化合物代谢中的关系,端粒长度和流产遗漏
Yujia Wang1, Jiayu Zhang1, Kewei Chang1
1Department of Epidemiology, School of Public Health, Shanxi Medical University, Jinzhong, China.
International journal of environmental health research
|September 9, 2025
概括
多环芳 (PAHs) 暴露与遗漏流产 (MA) 有关. 在MA病例中观察到更高的PAH-DNA adducts和更短的端粒长度 (TL),突出了PAHs.
科学领域:
- 环境健康 环境健康
- 生殖毒理学 生殖毒理学
- 遗传学 遗传学 是一个
背景情况:
- 连接多环芳 (PAHs) 暴露与遗漏流产 (MA) 的病因机制尚未完全理解.
- 多氧化是一种环境污染物,可能对怀孕结果产生不利影响.
- 端粒长度 (TL) 和代谢酶的遗传变异可能在易受PAHs诱导的生殖损害方面发挥作用.
研究的目的:
- 调查PAH暴露,端粒长度 (TL) 和遗漏流产 (MA) 之间的关联.
- 探索代谢酶基因多态性在PAH暴露和MA之间的关系中的作用.
- 在遗漏堕胎的背景下分析基因与环境的相互作用.
主要方法:
- 一项涉及253名孕妇的病例控制研究.
- 使用竞争性酶链免疫吸收试验 (ELISA) 量化PAH-DNA添加物.
- 通过实时定量聚合酶链反应 (qPCR) 分析端粒长度 (TL).
- 使用多重PCR和高通量测序,对单核酸多态 (SNPs) 的基因定型.
- 统计分析包括后勤回归和通用多因素维度减少 (GMDR).
主要成果:
- 在遗漏堕胎 (MA) 组中发现了更高水平的PAH-DNA adducts (P=0.009).
- 短端粒长度 (TL) 与MA病例有显著的相关性 (Z=-4.02,P<0.001).
- 谷氨S转移酶M1 (GSTM1) 基因的一个特定变异 (rs1065411) 与MA相关.
- 在GSTM1基因变异,rs1065411和PAH-DNA添加物之间发现了显著的相互作用.
结论:
- 通过PAH-DNA adducts表示的PAHs暴露与错过流产 (MA) 的风险增加有显著的关联.
- 短端粒长度 (TL) 是遗漏堕胎的潜在生物标志物.
- 基因与环境的相互作用,特别是涉及GSTM1,调节了对PAH暴露的MA风险.
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