在ABCD®研究中,心理病理学和认知发展的副本数变体架构
Zhiqiang Sha1,2,3, Kevin Y Sun1,2,3, Benjamin Jung4
1Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, USA.
medRxiv : the preprint server for health sciences
|May 27, 2024
概括
副本数变异 (CNVs) 显著影响儿童的精神病理学和认知功能. 这项研究确定了与年轻人的各种神经发育和认知结果相关的特定CNV.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 是一个遗传学.
- 发展心理学 发展心理学
背景情况:
- 儿童心理健康和认知功能对于发展至关重要,并且经常受到精神疾病的影响.
- 遗传和环境因素塑造神经发育轨迹,像副本数变异 (CNVs) 这样的罕见变异起着关键作用.
研究的目的:
- 调查拷贝数变异 (CNV) 与儿童精神病理和认知功能的维度之间的关联.
- 探索CNV在一般儿童人口心理健康和认知方面的相关性.
主要方法:
- 利用PennCNV和QuantiSNP算法识别青少年大脑认知发展 (ABCD) 研究中的11,000多名个体中的CNV (>50Kb).
- 进行全基因组关联扫描并计算CNV风险得分,以评估与精神病和认知表型的关联.
主要成果:
- 在4,111个个体中鉴定了5,760种自体CNV,揭示了与精神病理学和认知功能的显著关联.
- 特定的CNVs (例如,10q26.3重复,14q11.2删除) 与整体精神病理,认知功能,流体智力,工作记忆和阅读能力有关.
- 以前与神经发育障碍相关的CNV与社会功能和认知表现受损相关,特别是工作记忆. 更高的删除CNV风险得分与增加的精神病理和认知障碍有关.
结论:
- CNVs对儿童精神病理学和神经认知发育的个体间变异性有显著的贡献.
- 研究结果强调了罕见的遗传变异对于理解与儿童心理健康和认知相关的复杂特征的重要性.
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