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探索表观遗传漂移和罕见的表观遗传变异在肌缩性侧面硬化症通过表观基因组范围的协会研究研究

Alberto Brusati¹, Silvia Peverelli², Luciano Calzari³

¹Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy.

Frontiers in aging neuroscience

|December 13, 2023

概括

表观遗传变化,包括表观遗传漂移和罕见的表观变异,涉及到偶发性肌缩侧面硬化症 (ALS) 病原体. 这些表观遗传变化可能成为ALS的潜在诊断标志物.

科学领域:

神经科学是一个神经科学.
遗传学是一个遗传学.
表观遗传学在表观遗传学中,表观遗传学是指表观遗传学.

背景情况:

已知遗传因素有助于散发性肌缩性侧面硬化症 (sALS).
环境因素也被怀疑在sALS的发病过程中发挥作用.
表观遗传修饰,反映基因环境相互作用,可能会影响ALS的发展和进展.

研究的目的:

在一组意大利sALS患者和健康对照中调查全基因组DNA甲基化模式.
使用元分析方法将研究结果与之前的全表观基因组关联研究 (EWAS) 整合起来.
探索sALS中的表观遗传漂移和罕见表观变异及其潜在的诊断和病原遗传作用.

主要方法:

在61名sALS患者和61名对照组中进行全基因组DNA甲基化分析.
进行元分析,将当前的发现与之前的EWAS整合起来.
过度代表性分析 (ORA) 和毒基因组数据库的探索.
对表观遗传漂移和罕见表观变异的分析.

主要成果:

在sALS患者中观察到全球和单基因表观遗传漂移的增加.
在单基因表观遗传漂移中丰富神经热素信号通路基因.
仅在sALS病例中识别罕见的变,与153个基因相关,其中88个在大脑区域表达.
分析整合了血液EWAS的发现,突出了胆固醇生物合成和免疫路径.

结论:

表观遗传学在ALS的发病过程中起着重要作用.
表观遗传漂移显示出作为sALS的诊断标记物的潜力.
罕见的变可能有助于ALS病因.

关键词:

这就是ALS.这是EML,EML.欧洲商业联盟 (EWAS) 是一个国际组织.在SEM中,SEM是SEM.生物信息学是一种生物信息学.表观遗传漂移 - - 这就是表观遗传漂移.表观遗传学是指表观遗传学.突发变化突发变化

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