Cortical structural differences in major depressive disorder correlate with cell type-specific transcriptional signatures.

Cortical structural differences in major depressive disorder correlate with cell type-specific transcriptional signatures.
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重度抑郁症的皮质结构差异与细胞类型特异性转录特征相关

DOI:
10.1038/s41467-021-21943-5
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发表时间:
2021-03-12
影响因子:
16.6
通讯作者:
Liao W
Liao W
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Li J;Seidlitz J;Suckling J;Fan F;Ji GJ;Meng Y;Yang S;Wang K;Qiu J;Chen H;Liao W

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重大抑郁症(MDD)已显示与各种空间多样化的大脑区域的结构异常有关。但是,MDD和基因表达的大脑结构变化之间的相关性尚不清楚。在这里,我们使用来自两个独立队列的神经影像数据和一个公开可用的转录组数据集的神经成像数据,研究了MDD个体个体的脑部基因表达与形态变化之间的联系。形态相似性网络(MSN)分析显示,与对照组相比,MDD个体的可复制皮质结构差异。使用人脑基因表达数据,我们观察到与MDD相关基因的表达在空间上与MSN差异相关。分析细胞类型特异性特异性特征基因表明,小胶质细胞和神经元特定的转录变化占观察到的大多数与MDD特异性MSN差异的相关性。总的来说,我们的发现链接了与MDD相关的分子和结构变化。 主要抑郁症(MDD)的大脑结构变化与基因表达之间的相关性尚不清楚。在这里,作者探讨了主要抑郁症患者的细胞类型特异性基因表达变化与皮质结构差异之间的相关性。
Major depressive disorder (MDD) has been shown to be associated with structural abnormalities in a variety of spatially diverse brain regions. However, the correlation between brain structural changes in MDD and gene expression is unclear. Here, we examine the link between brain-wide gene expression and morphometric changes in individuals with MDD, using neuroimaging data from two independent cohorts and a publicly available transcriptomic dataset. Morphometric similarity network (MSN) analysis shows replicable cortical structural differences in individuals with MDD compared to control subjects. Using human brain gene expression data, we observe that the expression of MDD-associated genes spatially correlates with MSN differences. Analysis of cell type-specific signature genes suggests that microglia and neuronal specific transcriptional changes account for most of the observed correlation with MDD-specific MSN differences. Collectively, our findings link molecular and structural changes relevant for MDD.
DOI: 10.1038/nrn3465
发表时间: 2013-05
影响因子: 34.7
作者:
Alexander-Bloch, Aaron;Giedd, Jay N.;Bullmore, Edward T.
通讯作者: Bullmore, Edward T.
DOI: 10.1002/hbm.23579
发表时间: 2017-06-01
影响因子: 4.8
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通讯作者: Greenwood, Celia M. T.
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影响因子: 3.2
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发表时间: 2014-08
期刊: Brain : a journal of neurology
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DOI: 10.1016/j.neuroimage.2016.11.032
发表时间: 2017-02-01
期刊: NeuroImage
影响因子: 5.7
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Elman JA;Panizzon MS;Hagler DJ Jr;Fennema-Notestine C;Eyler LT;Gillespie NA;Neale MC;Lyons MJ;Franz CE;McEvoy LK;Dale AM;Kremen WS
通讯作者: Kremen WS