Identification of Key Genes and Pathways in Post-traumatic Stress Disorder Using Microarray Analysis

被引:16
作者
Bian, Yaoyao [1 ]
Yang, Lili [2 ,3 ]
Zhao, Min [2 ]
Li, Zhengjun [4 ]
Xu, Yuying [1 ]
Zhou, Guilian [1 ]
Li, Wenlin [3 ]
Zeng, Li [2 ,3 ]
机构
[1] Nanjing Univ Chinese Med, Sch Nursing, Nanjing, Jiangsu, Peoples R China
[2] Nanjing Univ Chinese Med, Sch Clin Med 1, Nanjing, Jiangsu, Peoples R China
[3] Nanjing Univ Chinese Med, Jingwen Lib, Nanjing, Jiangsu, Peoples R China
[4] Univ Lancaster, Management Sch, Lancaster, England
来源
FRONTIERS IN PSYCHOLOGY | 2019年 / 10卷
基金
中国国家自然科学基金;
关键词
PTSD; bioinformatics analysis; microarray analysis; key genes; key pathways; ANIMAL-MODEL; ASSOCIATION; SEVOFLURANE; EXPRESSION; FEATURES; HEALTH;
D O I
10.3389/fpsyg.2019.00302
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Introduction: Post-traumatic stress disorder (PTSD) is characterized by impaired fear extinction, excessive anxiety, and depression. However, the potential pathogenesis and cause of PTSD are not fully understood. Hence, the purpose of this study was to identify key genes and pathway involved in PTSD and reveal underlying molecular mechanisms by using bioinformatics analysis. Methods: The mRNA microarray expression profile dataset was retrieved and downloaded from the Gene Expression Omnibus (GEO) database. The differentially expressed genes (DEGs) were screened using GEO2R. Gene ontology (GO) was used for gene function annotations and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway was performed for enrichment analysis. Subsequently, protein-protein interaction (PPI) network and module analysis by the plugin MCODE were mapped by Cytoscape software. Finally, these key genes were verified in stress-exposed models by Real-Time quantitative (qRT-PCR). In addition, we performed text mining among the key genes and pathway with PTSD by using COREMINE. Results: A total of 1004 DEGs were identified. Gene functional annotations and enrichment analysis indicated that the most associated pathway was closely related to the Wnt signaling pathway. Using PPI network and module analysis, we identified a group of "seed" genes. These genes were further verified by qRT-PCR. In addition, text mining indicated that the altered CYP1A2, SYT1, and NLGN1 affecting PTSD might work via the Wnt signaling pathway. Conclusion: By using bioinformatics analysis, we identified a number of genes and relevant pathway which may represent key mechanisms associated with PTSD. However, these findings require verification in future experimental studies.
引用
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页数:10
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