Somatic copy number variants in neuropsychiatric disorders.

Somatic copy number variants in neuropsychiatric disorders.
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神经精神障碍中的体细胞拷贝数变异。

DOI:
10.1016/j.gde.2020.12.013
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发表时间:
2021-06
影响因子:
4
通讯作者:
Walsh CA
Walsh CA
中科院分区:
生物学2区
文献类型:
--
作者:
Maury EA;Walsh CA

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拷贝数变异 (CNV) 与神经精神疾病有关,罕见遗传性和新生 CNV (dnCNV) 对疾病易感性有很大影响。最近的研究开始探索一类在合子后发生的 dnCNV,因此存在于身体的一些但不是所有细胞中。与动物模型中的条件突变类似,部分细胞中存在风险突变有可能揭示破坏性突变如何影响细胞类型/细胞回路特异性病理,从而导致神经精神表现。尽管嵌合 CNV 似乎只造成一小部分风险(0.3-0.5%),但通过更灵敏的实验和统计方法扩展我们对它们的认识,有可能有助于阐明神经精神疾病的机制。
Copy number variants (CNVs) have been implicated in neuropsychiatric disorders, with rare-inherited and de novo CNVs (dnCNVs) having large effects on disease liability. Recent studies started exploring a class of dnCNVs that occur post-zygotically, and are therefore present in some but not all cells of the body. Analogous to conditional mutations in animal models, the presence of risk mutations in a fraction of cells has the potential to enlighten how damaging mutations affect cell-type/cell-circuit specific pathologies leading to neuropsychiatric manifestations. Although mosaic CNVs appear to contribute to a modest fraction of risk (0.3–0.5%), expanding our insights about them with more sensitive experimental and statistical methods, has the potential to help clarify mechanisms of neuropsychiatric disease.
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