ALDH2和ALDH1A单核多态与酒精消费的相互作用以及对骨质疏松症风险的影响
Chin-Yuan Yii1, Jing-Yang Huang2, Su-Boon Yong3
1Division of Gastroenterology and Hepatology, Department of Internal Medicine, Landseed International Hospital, Taoyuan, Taiwan; Department of Biomedical Sciences and Engineering, National Central University, Taoyuan, Taiwan.
ALDH2 rs75162023 C> T 变异可能会增加骨质疏松症的风险,特别是在长期酒的人群中. 减少饮酒可能有助于减轻骨质疏松症的遗传风险.
科学领域:
- 遗传学
- 骨质新陈代谢
- 药物基因组学
背景情况:
- 骨质疏松症是一种严重的系统性骨疾病,影响全球骨健康.
- 遗传因素,包括化脱酶 (ALDH) 基因中的单核酸多态 (SNPs),越来越多地被认为是骨质疏松风险的贡献者.
- 了解这些遗传关联对于制定有针对性的预防和治疗策略至关重要.
研究的目的:
- 研究化脱酶 (ALDH) 基因中的特定单核酸多态 (SNPs) 与患骨质疏松症的风险之间的关联.
- 评估酒精消费模式对ALDH基因变异和骨质疏松症之间的关系的影响.
- 在台湾人群中确定骨质疏松风险的潜在遗传生物标志物.
主要方法:
- 一项大规模的研究涉及来自台湾生物库的67,410名参与者,根据世卫组织的标准分为正常,骨质疏松和骨质疏松症组.
- 用全基因组关联分析 (GWAS) 和多项逻辑回归来评估SNP的概率比率 (OR) 和95%置信区间 (CI).
- 用Benjamini-Hochberg方法控制错误发现率 (FDR),以确保结果的稳定性.
主要成果:
- 同胞性ALDH2rs75162023C> T变异显示与骨质疏松症风险增加的潜在关联 (OR=1. 097),特别是在有过酒精消费史的个体中 (常饮酒者OR=1. 383,长期饮酒者OR=1.535).
- 在饮酒者中,ALDH1A rs146758119 T> C与骨质疏松风险有关 (OR=1. 293),尤其是在长期饮酒者中 (OR=1. 370).
- 重要的是,所有观察到的关联在FDR纠正后失去了统计意义,这表明需要进一步验证.
结论:
- ALDH2 rs75162023 C> T 变异可能会增加骨质疏松症的风险,特别是在有慢性酒精暴露史的人群中.
- 这些发现表明,遗传易感性与酒精消费等环境因素一起,在骨质疏松症的发展中起作用.
- 减少或避免饮酒可能是对具有骨质疏松症遗传倾向的个体的有益策略,特别是携带ALDH2 rs75162023变体的人.
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