06 March 2020 : Clinical Research
Identification of 2 Potential Core Genes for Influence of Gut Probiotics on Formation of Intracranial Aneurysms by Bioinformatics AnalysisHeng-Jian Liu1ABCDEF, Huan-Ting Li2EFG, Yuan Lin1BC, Dong-Lin Lu1C, Yong Yue1F, Jing Xiong1E, Cong-Qin Li1D, Xiang-Yu Xu1C, Yu-Gong Feng2AG*
Med Sci Monit 2020; 26:e920754
BACKGROUND: Rupture of intracranial aneurysms (IA) is associated with high rates of mortality around the world. Use of intestinal probiotics can regulate the pathophysiology of aneurysms, but the details of the mechanism involved have been unclear.
MATERIAL AND METHODS: The GEO2R analysis website was used to detect the DEGs between IAs, AAAs, samples after supplementation with probiotics, and normal samples. The online tool DAVID provides functional classification and annotation analyses of associated genes, including GO and KEGG pathway. PPI of these DEGs was analyzed based on the STRING database, followed by analysis using Cytoscape software.
RESULTS: We found 170 intersecting DEGs (contained in GSE75240 and more than 2 of the 4 aneurysms datasets), 5 intersecting DEGs (contained in all datasets) and 1 intersecting DEG (contained in GSE75240 and all IAs datasets). GO analysis results suggested that the DEGs primarily participate in signal transduction, cell adhesion, immune response, response to drug, extracellular matrix organization, cell-cell signaling, and inflammatory response in the BP terms, and the KEGG pathways are mainly enriched in focal adhesion, cytokine-cytokine receptor interaction, ECM-receptor interaction, amoebiasis, chemokine signaling pathway, proteoglycans, and PI3K-Akt signaling pathway in cancer pathways. Through PPI network analysis, we confirmed 2 candidates for further study: CAV1 and MYH11. These downregulated DEGs are associated with the formation of aneurysms, and the change of these DEGs is the opposite in probiotics-treated animals.
CONCLUSIONS: Our study suggests that MYH11 and CAV1 are potential target genes for prevention of aneurysms. Further experiments are needed to verify these findings.
Keywords: Blood, intracranial aneurysm, Probiotics, Caveolin 1, Computational Biology, Down-Regulation, Gene Expression Regulation, gene ontology, Myosin Heavy Chains, Software
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