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The catechol-o-methyltransferase Val(158)Met polymorphism modulates the intrinsic functional network centrality of the parahippocampal cortex in healthy subjects
Zhang, Xiaolong1; Li, Jin1,2; Qin, Wen3; Yu, Chunshui3; Liu, Bing1,2; Jiang, Tianzi1,2,4,5
Source PublicationSCIENTIFIC REPORTS
2015-06-09
Volume5
SubtypeArticle
AbstractThe influence of catechol-o-methyltransferase (COMT) Val(158)Met on brain activation and functional connectivity has been widely reported. However, voxel-wise effects of this genotype on resting-state brain networks remain unclear. Here, we used resting-state fMRI and eigenvector centrality to examine the effects of COMT Val(158)Met genotypes on the connection patterns of the brain network and working memory (WM) in healthy, young Val/Val and Met carrier subjects. There were significant differences in the performance level on the 2-back WM task between the different COMT genotypes: Val/Val individuals exhibited a higher correct rate compared to the Met carriers. A two-sample t test was used to examine the differences in the eigenvector centrality maps, using age and gender as covariates of no interest, between the Val/Val and Met carriers. We found that the Val/Val individuals exhibited significantly higher eigenvector centrality compared to the Met carriers in the left parahippocampal cortex. Furthermore, a significantly positive correlation between the mean eigenvector centrality of the significant cluster and the correct rate of the 2-back WM task was observed. By using a voxel-wise data-driven method, our findings may provide plausible implications regarding individual differences in the genetic contribution of COMT Val(158)Met to the brain network and cognition.
WOS HeadingsScience & Technology
WOS KeywordWORKING-MEMORY PERFORMANCE ; VAL(108/158) MET GENOTYPE ; RESTING-STATE FMRI ; ALZHEIMERS-DISEASE ; BRAIN-FUNCTION ; YOUNG ADULTS ; COMT ; CONNECTIVITY ; SCHIZOPHRENIA ; SUBREGIONS
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000356080400001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/7935
Collection脑网络组研究中心
Affiliation1.Chinese Acad Sci, Brainnetome Ctr, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Natl Lab Pattern Recognit, Inst Automat, Beijing 100190, Peoples R China
3.Tianjin Med Univ, Dept Radiol, Gen Hosp, Tianjin 300052, Peoples R China
4.Univ Queensland, Queensland Brain Inst, Brisbane, Qld 4072, Australia
5.Univ Elect Sci & Technol China, Minist Educ, Sch Life Sci & Technol, Key Lab NeuroInformat, Chengdu 610054, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Xiaolong,Li, Jin,Qin, Wen,et al. The catechol-o-methyltransferase Val(158)Met polymorphism modulates the intrinsic functional network centrality of the parahippocampal cortex in healthy subjects[J]. SCIENTIFIC REPORTS,2015,5.
APA Zhang, Xiaolong,Li, Jin,Qin, Wen,Yu, Chunshui,Liu, Bing,&Jiang, Tianzi.(2015).The catechol-o-methyltransferase Val(158)Met polymorphism modulates the intrinsic functional network centrality of the parahippocampal cortex in healthy subjects.SCIENTIFIC REPORTS,5.
MLA Zhang, Xiaolong,et al."The catechol-o-methyltransferase Val(158)Met polymorphism modulates the intrinsic functional network centrality of the parahippocampal cortex in healthy subjects".SCIENTIFIC REPORTS 5(2015).
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