Gender effects on autism spectrum disorder: a multi-site resting-state functional magnetic resonance imaging study of transcriptome-neuroimaging

被引:0
作者
Li, Yanling [1 ]
Li, Rui [1 ]
Wang, Ning [1 ]
Gu, Jiahe [1 ]
Gao, Jingjing [2 ]
机构
[1] Xihua Univ, Sch Elect Engn & Elect Informat, Chengdu, Peoples R China
[2] Univ Elect Sci & Technol China, Sch Informat & Commun Engn, Chengdu, Peoples R China
基金
中国国家自然科学基金;
关键词
autism spectrum disorder; gender effect; resting-state fMRI; neurotranscriptome; default mode network; multisite; DEFAULT MODE NETWORK; CEREBELLAR DEVELOPMENT; CHILDHOOD; PREVALENCE; CHILDREN; SITES; MICE;
D O I
10.3389/fnins.2023.1203690
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
IntroductionThe gender disparity in autism spectrum disorder (ASD) has been one of the salient features of condition. However, its relationship between the pathogenesis and genetic transcription in patients of different genders has yet to reach a reliable conclusion. MethodsTo address this gap, this study aimed to establish a reliable potential neuro-marker in gender-specific patients, by employing multi-site functional magnetic resonance imaging (fMRI) data, and to further investigate the role of genetic transcription molecules in neurogenetic abnormalities and gender differences in autism at the neuro-transcriptional level. To this end, age was firstly used as a regression covariate, followed by the use of ComBat to remove the site effect from the fMRI data, and abnormal functional activity was subsequently identified. The resulting abnormal functional activity was then correlated by genetic transcription to explore underlying molecular functions and cellular molecular mechanisms. ResultsAbnormal brain functional activities were identified in autism patients of different genders, mainly located in the default model network (DMN) and precuneus-cingulate gyrus-frontal lobe. The correlation analysis of neuroimaging and genetic transcription further found that heterogeneous brain regions were highly correlated with genes involved in signal transmission between neurons' plasma membranes. Additionally, we further identified different weighted gene expression patterns and specific expression tissues of risk genes in ASD of different genders. DiscussionThus, this work not only identified the mechanism of abnormal brain functional activities caused by gender differences in ASD, but also explored the genetic and molecular characteristics caused by these related changes. Moreover, we further analyzed the genetic basis of sex differences in ASD from a neuro-transcriptional perspective.
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收藏
页数:14
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