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吸烟,血液DNA甲基化部位和肺癌风险

Arce Domingo-Relloso¹, Roby Joehanes², Zulema Rodriguez-Hernandez³

¹Integrative Epidemiology Group, Department of Chronic Diseases Epidemiology, National Center for Epidemiology, Carlos III Health Institute, Madrid, Spain; Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA; Department of Statistics and Operations Research, University of Valencia, Spain.

Environmental pollution (Barking, Essex : 1987)

|July 13, 2023

概括

吸烟吸烟吸烟吸烟

科学领域:

表观遗传学在表观遗传学中,表观遗传学是指表观遗传学.
癌症流行病学癌症流行病学
分子生物学分子生物学

背景情况:

改变的DNA甲基化 (DNAm) 是吸烟和肺癌之间潜在的生物学联系.
了解这种联系对于预防和早期发现肺癌至关重要.

研究的目的:

研究如何差异化血液DNAm调解吸烟和肺癌发病率之间的关联.
为了确定参与该途径的特定DNA甲基化位点.

主要方法:

使用来自2321名强心研究 (SHS) 参与者的DNA甲基化数据进行调解分析.
使用来自弗雷明汉心脏研究 (FHS) 的DNA甲基化和基因表达数据验证发现.

主要成果:

在SHS中确定了与吸烟和肺癌相关的显著差异甲基化位置 (DMP).
在FHS中复制关键的DMP显示了基因表达的下调和与癌症途径的关系.
一个多媒体模型强调了AHRR和IER3 DMP作为肺癌风险的重要贡献者.

结论:

在特定部位的基线血液DNA甲基化差异部分解释了吸烟与肺癌之间的关联.
需要进一步的实验研究来证实已识别的表观遗传标记的作用及其在肺癌检测和控制方面的潜力.

关键词:

通过DNA甲基化.弗雷明汉心脏研究肺癌发生率肺癌发生率吸烟吸烟吸烟吸烟坚强的心学习学习.

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