Transcriptome analysis reveals dysregulation of innate immune response genes and neuronal activity-dependent genes in autism.

Transcriptome analysis reveals dysregulation of innate immune response genes and neuronal activity-dependent genes in autism.
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DOI:
10.1038/ncomms6748
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发表时间:
2014-12-10
影响因子:
16.6
通讯作者:
Arking, Dan E.
Arking, Dan E.
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Gupta, Simone;Ellis, Shannon E.;Ashar, Foram N.;Moes, Anna;Bader, Joel S.;Zhan, Jianan;West, Andrew B.;Arking, Dan E.

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Recent studies of genomic variation associated with autism have suggested the existence of extreme heterogeneity. Large-scale transcriptomics should complement these results to identify core molecular pathways underlying autism. Here we report results from a large-scale RNA sequencing effort, utilizing region-matched autism and control brains to identify neuronal and microglial genes robustly dysregulated in autism cortical brain. Remarkably, we note that a gene expression module corresponding to M2-activation states in microglia is negatively correlated with a differentially expressed neuronal module, implicating dysregulated microglial responses in concert with altered neuronal activity-dependent genes in autism brains. These observations provide pathways and candidate genes that highlight the interplay between innate immunity and neuronal activity in the aetiology of autism. Autism spectrum disorder (ASD) is a common, highly heritable neurodevelopmental condition characterized by marked genetic heterogeneity. In this study, the authors use RNA sequencing analyses to characterize differences in the transcriptome between autistic and typically developing brains.
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