在韩国社区的队列中对手性进行全基因组关联和复制研究
Youhyun Song1,2, Dasom Lee3, Ja-Eun Choi3
1Department of Family Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea.
Brain and behavior
|June 20, 2023
概括
这项研究确定了与韩国人的左撇子和双手性相关的遗传位置. 研究结果将手性与大脑发育和神经过程联系起来,为未来的研究提供了洞察力.
科学领域:
- 人类遗传学 人类遗传学
- 神经科学是一个神经科学.
- 行为遗传学行为遗传学
背景情况:
- 手性是普遍存在的人类特征,全球大约90%的人口是右撇子.
- 左撇子不太常见,特别是在东亚人口 (7-10%),可能是由于历史上的文化压力反对左撇子的使用.
研究的目的:
- 进行全基因组关联研究 (GWAS),以确定与韩国人口中手性相关的遗传变异.
- 调查左撇子和双撇子的遗传基础,与大脑发育和神经功能有关.
主要方法:
- 使用了对8806名参与者组成的韩国社区基队伍的后勤回归分析.
- 进行了两个GWAS:一个比较右撇子与左撇子,另一个比较右撇子与双手.
- 进行了与先前识别的遗传变异的关联分析.
主要成果:
- 确定了28个与左撇子相关的位点和15个与双手相关的位点.
- 两个左撇子位点 (NEIL3,SVOPL) 和一个两位点 (PDE8B/WDR41) 接近全基因组显著性.
- 对ANKS1B (左撇子) 和ANKIB1 (双撇子) 与以前报告的变体进行复制的关联.
结论:
- 鉴定和复制的遗传变异与大脑发育,大脑不对称,神经过程和神经精神疾病有关.
- 这项研究代表了东亚第一个关于手性的GWAS,为未来的人类神经学研究提供了有价值的数据.
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