在韩国人群中对精神分裂症进行全基因组关联研究和多基因风险评分分析
Dongbin Lee1, Ji Hyun Baek2, Yujin Kim1
1Department of Digital Health, Samsung Advanced Institute for Health Sciences and Technology (SAIHST), Sungkyunkwan University, Samsung Medical Center, Seoul, South Korea.
这项研究确定了与韩国人的精神分裂症相关的新遗传变异,并发现结合东亚和欧洲数据的多基因风险评分 (PRS) 更好地预测了这一群体的精神分裂症风险.
科学领域:
- 精神病学遗传学 精神病学遗传学
- 基因组学就是基因组学.
- 人口遗传学 人口遗传学
背景情况:
- 大规模的全基因组关联研究 (GWASs) 已经推进了精神分裂症遗传学,但由于专注于欧洲祖先人口而受到限制.
- 了解不同祖先的精神分裂症遗传基础对于公平的进步至关重要.
研究的目的:
- 在韩国人群中识别与精神分裂症相关的常见遗传变异.
- 评估来自韩国各种GWAS数据集的多基因风险评分 (PRS) 的预测性能.
主要方法:
- 在韩国精神病学GWAS项目 (KPGP) 中的一项病例控制研究,涉及1670名精神分裂症患者和2271名对照.
- 对6,690,822个单核酸多态 (SNP) 的基因组分析,以确定与精神分裂症的关联.
- 来自东亚,欧洲的PRS的评估,以及用于表型变异解释的GWAS元分析.
主要成果:
- 发现了一个全基因组显著的新基因组位点rs2423464 (P = 2.83 × 10-11),与LAMP5基因表达增加有关.
- 从东亚和欧洲GWAS的元分析中得出的PRS与祖先特定的PRS相比,显示出更高的预测能力 (R2 = 0.073) (东亚的R2 = 0.028,欧洲的R2 = 0.037).
结论:
- 这些发现突出了韩国人口中新型精神分裂症相关的遗传变异.
- 在GWAS和PRS中整合不同的祖先数据可以改善精神分裂症的遗传预测,强调需要进行多民族遗传研究.
更多相关视频
04:41Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration
Published on: January 9, 2020
09:38Generalized Psychophysiological Interaction PPI Analysis of Memory Related Connectivity in Individuals at Genetic Risk for Alzheimer's Disease
Published on: November 14, 2017
相关概念视频
Genome-wide Association Studies-GWAS
GWAS does not require the identification of the target gene involved in...
Biological Causes of Schizophrenia
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
Psychological and Sociocultural Causes of Schizophrenia
Human Genetics
The complex relationship between genetics and psychology is observable through common biological components such...
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
Polygenic Traits
