通过环境分层和基因与环境相互作用来完善对滥用酒精的遗传影响的范围
Jeanne E Savage1, Christiaan A de Leeuw1, Josefin Werme1
1Department of Complex Trait Genetics, Centre for Neurogenomics and Cognitive Research, VU University, Amsterdam, The Netherlands.
Alcohol, clinical & experimental research
|August 28, 2024
概括
基因与环境的相互作用影响了滥用酒精 (AM). 社会经济地位 (SES) 对饮酒模式产生温和的遗传影响,涉及与免疫相关的基因. 为了更好地理解分子,还需要进一步的研究.
科学领域:
- 遗传学 遗传学 是一个
- 行为科学 行为科学
- 精神病学是一个精神病学.
背景情况:
- 基因与环境的相互作用 (G×E) 对滥用酒精 (AM) 的个体差异至关重要.
- 在AM中对G×E的分子遗传研究有限.
- 这项研究旨在通过G×E识别基因并了解AM的生物机制.
研究的目的:
- 为了研究影响酒精滥用 (AM) 现型的基因环境相互作用 (G×E).
- 确定特定的基因和生物途径参与AM的遗传病因学.
- 探索社会经济地位 (SES) 和创伤暴露对AM遗传影响的缓和作用.
主要方法:
- 全基因组基因环境相互作用分析 (GWEIS) 在英国生物库 (N=360,314) 中对四种AM表型进行.
- 社会经济地位 (SES) 和创伤暴露被检查为调节因素.
- 功能注释,基因组丰富和多基因分数分析被用于解释.
主要成果:
- 很少有显著的遗传变异在基因环境对之间显示相互作用效应.
- 社会经济地位 (SES) 对NOXA1,DLGAP1,UBE2L3基因对饮酒量和IFIT1B对饮酒频率的适度影响.
- 与饮食相关的饮酒模式上的SES显著缓和遗传影响,涉及与免疫相关的基因 (p=4.59e-09).
结论:
- 几种基因和潜在的免疫系统机制被突出显示为AM中SES适度.
- 对于建模G×E.来说,GWEIS是比分层GWAS的首选方法.
- 在AM中分子级G×E建模需要更大的样本和详细的表型数据.
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