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PNAS:核受体调节自闭症发生

2018-03-15 海北 MedSci原创

海马的齿状回(DG)是一个层状脑区域,该区域神经发生在胚胎发育早期开始,并持续到成年。已有的研究表明,DG区域的神经发生缺陷似乎与自闭症谱系障碍(ASD)样行为的发生有关。

海马的齿状回(DG)是一个层状脑区域,该区域神经发生在胚胎发育早期开始,并持续到成年。已有的研究表明,DG区域的神经发生缺陷似乎与自闭症谱系障碍(ASD)样行为的发生有关。最近,肝X受体β(LXRβ)被发现可以作为参与层状CNS结构发育的重要转录因子,但至今为止,我们对其在DG发育中的作用还知之甚少。

第三军医大学的研究人员发现,在小鼠中,LXRβ的缺失能够导致DG发育不全,包括祖细胞形成和颗粒细胞分化的异常。研究人员还发现,在LXRβ缺失的小鼠中,Notch1(祖细胞自我更新的重要介质)的表达有所减少。另外,小鼠中LXRβ的缺失会导致类似自闭症的行为,包括异常的社交互动和重复行为。

这些数据揭示,LXRβ在协调DG内神经祖细胞的及时分化过程中发挥了核心作用,由此可能解释其与LXRβ缺陷小鼠发生自闭症相关行为的关系。


原始出处:

Yulong Cai et al. Liver X receptor β regulates the development of the dentate gyrus and autistic-like behavior in the mouseProceedings of the National Academy of Sciences, 2018; 201800184 DOI: 10.1073/pnas.1800184115


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    2018-09-15 drwjr
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    2018-03-17 xiongke014
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    2018-03-15 changjiu

    学习一下谢谢

    0

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    2018-03-15 orangesking

    0

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