Aberrant network topological structure of sensorimotor superficial white-matter system in major depressive disorder.

IF 4.7 3区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Peng Wang, Yanling Bai, Yang Xiao, Yuhong Zheng, Li Sun, The Direct Consortium, Jinhui Wang, Shaowei Xue
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引用次数: 0

Abstract

White-matter tracts play a pivotal role in transmitting sensory and motor information, facilitating interhemispheric communication and integrating different brain regions. Meanwhile, sensorimotor disturbance is a common symptom in patients with major depressive disorder (MDD). However, the role of aberrant sensorimotor white-matter system in MDD remains largely unknown. Herein, we investigated the topological structure alterations of white-matter morphological brain networks in 233 MDD patients versus 257 matched healthy controls (HCs) from the DIRECT consortium. White-matter networks were derived from magnetic resonance imaging (MRI) data by combining voxel-based morphometry (VBM) and three-dimensional discrete wavelet transform (3D-DWT) approaches. Support vector machine (SVM) analysis was performed to discriminate MDD patients from HCs. The results indicated that the network topological changes in node degree, node efficiency, and node betweenness were mainly located in the sensorimotor superficial white-matter system in MDD. Using network nodal topological properties as classification features, the SVM model could effectively distinguish MDD patients from HCs. These findings provide new evidence to highlight the importance of the sensorimotor system in brain mechanisms underlying MDD from a new perspective of white-matter morphological network.

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来源期刊
Journal of Zhejiang University SCIENCE B
Journal of Zhejiang University SCIENCE B 生物-生化与分子生物学
CiteScore
8.70
自引率
13.70%
发文量
2125
审稿时长
3.0 months
期刊介绍: Journal of Zheijang University SCIENCE B - Biomedicine & Biotechnology is an international journal that aims to present the latest development and achievements in scientific research in China and abroad to the world’s scientific community. JZUS-B covers research in Biomedicine and Biotechnology and Biochemistry and topics related to life science subjects, such as Plant and Animal Sciences, Environment and Resource etc.
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