NAT GENET :失眠困扰吗?可能是基因的过

2017-06-13 海北 MedSci原创

持续性失眠是日常生活中最让人苦恼的事情之一。即使经过治疗,失眠依旧给很多人造成困扰 。日前,来自荷兰的科学家在自然基因(Nature Genetics)上发文,阐述持续性失眠的遗传因素。

持续性失眠是日常生活中最让人苦恼的事情之一。即使经过治疗,失眠依旧给很多人造成困扰 。日前,来自荷兰的科学家在自然基因(Nature Genetics)上发文,阐述持续性失眠的遗传因素。该课题组在113,006人中进行了全基因组关联研究(GWAS)和全基因组基因关联研究(GWGAS)。科学家们鉴定出和失眠相关的三个DNA区域和七个基因。其中一个DNA区域和五个基因和失眠的关联性在7,565个独立样品的联合分析中得到了进一步支持。

其中,相关性最强的基因MEISI(P <5×10-8)曾被报导和多动腿综合征(RLS)相关。进一步分析显示,MEISI同时和失眠症以及多动腿综合征相关。MEISI和失眠症的关联性不能仅仅用病例中存在多动腿综合征患者来解释。

性别特异性的分析显示,除了两性共有的遗传因素外,不同性别之间还存在着不同的遗传结构。

除此之外,科学家们还发现失眠和内在的人格特质以及代谢性状有着正相关性,并和主观幸福感以及教育水平呈现负相关性。

科学家们的这一发现使得人类在理解失眠的生物机制上迈进了一大步。该发现也表明,失眠并不像大家往常认为的那样,是一种纯粹的心理状态。

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    2017-11-17 canlab
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    2017-09-30 liye789132251
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    2017-07-10 cy0324

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