亚洲人中的脂肪度测量的遗传结构:来自GWAS的发现
Tripti Agarwal1, Tanica Lyngdoh2, Rajesh Khadgawat3
1Indian Institute of Public Health-Delhi, Public Health Foundation of India, Delhi, India.
Annals of human genetics
|September 6, 2023
概括
在亚洲人群中进行的全基因组研究发现了肥胖和相关特征的新型遗传基因位点. 这项研究突出了影响身体质量指数 (BMI) 和身高的遗传变异,这对于了解不同亚洲族裔的肥胖风险至关重要.
科学领域:
- 人类遗传学 人类遗传学
- 基因组学就是基因组学.
- 肥胖问题研究研究
背景情况:
- 肥胖是一个日益严重的全球健康问题,在亚洲人群中与欧洲人相比,在类似的身体质量指数 (BMI) 水平下观察到更高的代谢风险.
- 亚洲和欧洲人口之间的遗传结构差异需要对亚洲人肥胖的遗传基础进行具体的调查.
研究的目的:
- 系统地审查来自全基因组关联研究 (GWAS) 的脂肪指数和人类测量指标的发现,特别是在亚洲人群中.
- 鉴定与亚洲人的肥胖和相关特征相关的新型遗传位置,考虑到整个大陆的种族多样性.
主要方法:
- 在PubMed和GWAS目录上进行文献搜索,查找2022年2月之前发表的研究,使用全面的关键词策略.
- 包括47项已识别的研究,其中大量来自韩国,中国和日本人口.
- 分析了BMI,身高,体重,腰比 (WHR),身体脂肪,肥胖和肥胖相关的血液标志物等各种特征的确定的遗传位置.
主要成果:
- 确定了大量的基因位点,用于各种脂肪和人体测量:约200个BMI,约660个身高,16个体重,28个圆周,32个比率,5个身体脂肪,16个肥胖,以及28个相关的血液标记.
- 在亚洲人群中发现了许多新的基点,包括125个BMI,47个身高,5个腰围和2个脂肪素水平,此外还验证了欧洲识别的变体.
- 发现BMI和WHR都有3个共同的位点,这表明它们在不同脂肪指标上具有共同的遗传影响.
结论:
- 亚洲人群的全基因组扫描显著扩大了对脂肪和相关特征的遗传框架的知识,揭示了新的位置.
- 进一步的研究应侧重于先进的脂肪测量,特别是腹部脂肪,因为它作为亚洲人的心脏代谢风险因素的重要性.
- 强调需要在亚洲进行特定种族的研究,以准确识别和验证遗传变异,因为生活方式,遗传学和表型的显著多样性.
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