暴露于溶剂,遗传易感性和膀癌的风险
Deborah A Tadesse1, Nathaniel Rothman1, Shuai Xie1
1Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland.
Cancer prevention research (Philadelphia, Pa.)
|February 25, 2025
概括
职业接触,,,和BTX溶剂会增加膀癌的风险,特别是当与特定的遗传标记物相结合时,如CASC15,FGFR3和GSTT1. 这些发现强调了遗传学和环境暴露在膀癌症发展中的共同作用.
科学领域:
- 环境健康 环境健康
- 遗传学 是一个遗传学.
- 在瘤学瘤学.
背景情况:
- 职业接触单核芳香有机溶剂,包括,和 (BTX),与增加膀癌风险有关.
- 对BTX对膀癌的影响的确切机制尚不清楚.
研究的目的:
- 研究BTX溶剂暴露与膀癌中的遗传易感性标记物之间的相互作用.
- 为了确定改变与职业BTX暴露相关的风险的遗传变异.
主要方法:
- 一项基于人口的病例控制研究,涉及1,182例膀癌病例和1,408例对照.
- 使用职业史和职业暴露矩阵,评估终身职业暴露于,,烯和BTX.
- 来自口腔细胞样本的膀癌易感位置和溶剂代谢途径的遗传变异的基因定型.
主要成果:
- 在高累积素暴露和CASC15 (rs72826305) 风险等位基因的个体中,膀癌风险显著增加 (OR = 2.56).
- 在FGFR3和GSTT1.1.中的暴露和遗传风险变异之间观察到具有暗示性的联合效应.
- 暴露于BTX溶剂的个体中,膀癌的风险增加,这些人还携带了CASC15,FGFR3和GSTT1.1中常见的遗传变异.
结论:
- 膀癌的风险是由职业BTX溶剂暴露和特定的遗传多态度的综合作用放大.
- 遗传倾向和环境暴露之间的相互作用对膀癌的病因至关重要.
- 研究结果支持遗传学和职业暴露在膀癌发展中的共同作用,并为预防策略提供信息.
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