Multiregional profiling of the brain transmembrane proteome uncovers novel regulators of depression.

Multiregional profiling of the brain transmembrane proteome uncovers novel regulators of depression.
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DOI:
10.1126/sciadv.abf0634
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发表时间:
2021-07
期刊:
影响因子:
13.6
通讯作者:
Shui W
Shui W
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Li S;Luo H;Lou R;Tian C;Miao C;Xia L;Pan C;Duan X;Dang T;Li H;Fan C;Tang P;Zhang Z;Liu Y;Li Y;Xu F;Zhang Y;Zhong G;Hu J;Shui W

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In-depth profiling of transmembrane proteins in the brain leads to the identification of GPCR regulators in a disease model. Transmembrane proteins play vital roles in mediating synaptic transmission, plasticity, and homeostasis in the brain. However, these proteins, especially the G protein–coupled receptors (GPCRs), are underrepresented in most large-scale proteomic surveys. Here, we present a new proteomic approach aided by deep learning models for comprehensive profiling of transmembrane protein families in multiple mouse brain regions. Our multiregional proteome profiling highlights the considerable discrepancy between messenger RNA and protein distribution, especially for region-enriched GPCRs, and predicts an endogenous GPCR interaction network in the brain. Furthermore, our new approach reveals the transmembrane proteome remodeling landscape in the brain of a mouse depression model, which led to the identification of two previously unknown GPCR regulators of depressive-like behaviors. Our study provides an enabling technology and rich data resource to expand the understanding of transmembrane proteome organization and dynamics in the brain and accelerate the discovery of potential therapeutic targets for depression treatment.
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