RNA-seq analysis of amygdala tissue reveals characteristic expression profiles in schizophrenia.

RNA-seq analysis of amygdala tissue reveals characteristic expression profiles in schizophrenia.
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杏仁核组织的 RNA-seq 分析揭示了精神分裂症的特征表达谱。

DOI:
10.1038/tp.2017.154
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发表时间:
2017-08-15
影响因子:
6.8
通讯作者:
Hakonarson H
Hakonarson H
中科院分区:
医学1区
文献类型:
--
作者:
Chang X;Liu Y;Hahn CG;Gur RE;Sleiman PMA;Hakonarson H

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杏仁核脑区通过情绪处理与精神分裂症的病理生理学有关。然而,精神分裂症患者杏仁核中的转录组信息还没有得到很好的研究。我们使用RNA测序来研究杏仁核组织中的基因表达谱,并从22名精神分裂症患者和24名非精神病对照中确定了569个上调和192个下调的基因。基因功能富集分析表明,下调的基因富集的途径,如“突触传递”和“行为”,而上调的基因是显着过量的基因本体的途径,如“免疫反应”和“血管发育”。基于共表达的基因网络分析确定了七个模块,其中包括与“突触传递”,“血管发育”或“免疫反应”显著相关的四个模块。总之,我们的研究为精神分裂症的分子机制提供了新的见解,这表明旨在使特定基因网络的表达/功能正常化的精确定制的治疗方法可能是精神分裂症的一个有前途的选择。
The amygdala brain region has been implicated in the pathophysiology of schizophrenia through emotion processing. However, transcriptome messages in the amygdala of schizophrenia patients have not been well studied. We used RNA sequencing to investigate gene-expression profiling in the amygdala tissues, and identified 569 upregulated and 192 downregulated genes from 22 schizophrenia patients and 24 non-psychiatric controls. Gene functional enrichment analysis demonstrated that the downregulated genes were enriched in pathways such as 'synaptic transmission' and 'behavior', whereas the upregulated genes were significantly over-represented in gene ontology pathways such as 'immune response' and 'blood vessel development'. Co-expression-based gene network analysis identified seven modules including four modules significantly associated with 'synaptic transmission', 'blood vessel development' or 'immune responses'. Taken together, our study provides novel insights into the molecular mechanism of schizophrenia, suggesting that precision-tailored therapeutic approaches aimed at normalizing the expression/function of specific gene networks could be a promising option in schizophrenia.
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