受遗传影响的烟草和酒精使用行为影响红色素质特征变异
Shriya Shivakumar1,2, Madison B Wilken1, Victor Tsao1
1Division of Neonatology, Children's Hospital of Philadelphia, Philadelphia, PA, United States of America.
PloS one
|September 5, 2024
概括
这项研究表明,吸烟和饮酒的遗传倾向显著影响红细胞特征,包括血红蛋白和红细胞计数. 酒精使用对吸烟对这些血液参数的遗传影响产生中介作用.
科学领域:
- 遗传学和基因组学 遗传学和基因组学
- 血液学 血液学 血液学
- 流行病学 流行病学
背景情况:
- 全基因组关联研究 (GWAS) 已经确定了许多与人类血液特征变异相关的遗传位置.
- 虽然临床观察表明物质使用 (烟草,酒精) 和血液特征之间的联系,但这些关系缺乏系统的遗传探索.
- 了解对血液特征的遗传影响对于剖析血液形成和血液细胞生物学至关重要.
研究的目的:
- 使用孟德尔随机化 (MR) 框架调查吸烟和饮酒行为与15种定量血液特征之间的遗传关系.
- 为了确定吸烟和饮酒的遗传倾向是否因果影响红细胞,白细胞或血小板数量.
- 探索酒精消费在吸烟开始和红细胞特征之间的遗传关联中扮演的调解角色.
主要方法:
- 应用孟德尔随机化 (MR) 使用GWAS总结统计数据来评估因果关系.
- 使用的仪器变量 (IV) 来自与吸烟开始和酒精消费相关的单核酸多态 (SNP).
- 使用多变量MR和因果调解分析来研究调解途径.
主要成果:
- 开始吸烟的遗传倾向与降低的血红蛋白,血红素和红细胞计数有关,但不是血小板或白细胞计数.
- 对更高饮酒的遗传倾向与降低血红蛋白和红细胞数量有关.
- 增加吸烟开始的遗传倾向与更高的酒精摄入量有关,酒精使用调解了吸烟对红细胞特征的遗传影响.
结论:
- 受遗传影响的吸烟和饮酒行为对红细胞特征有重大影响.
- 酒精消费作为从吸烟开始到红细胞改变的遗传途径的调解者.
- 这些发现突出了行为,遗传学和血液学参数之间的复杂相互作用,为进一步研究血液形成开辟了道路.
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