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石河子大学 医学院 第一附属医院 骨科中心,新疆 石河子 832000
Received:13 September 2018,
Published Online:16 November 2018,
Published:05 May 2019
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Xiao DING, Chen-hui SHI, De-feng MENG, et al. Bioinformatics Screening of Key Genes and Candidate Therapeutic Drugs of Osteoarthritis[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(9): 189-196.
Xiao DING, Chen-hui SHI, De-feng MENG, et al. Bioinformatics Screening of Key Genes and Candidate Therapeutic Drugs of Osteoarthritis[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(9): 189-196. DOI: 10.13422/j.cnki.syfjx.20190304.
目的:
2
利用生物信息学方法探寻骨关节炎(OA)关键基因及潜在治疗药物。
方法:
2
利用基因表达大棚车(GEO)下载GSE55235芯片数据,R语言3.5.0筛选差异表达基因,David在线数据库对差异表达基因进行基因本体(GO)富集分析及京都基因与基因组百科全书(KEGG)信号通路分析,String 10.5在线数据库构建分析蛋白质之间的相互作用,Cytoscape v3.6.1软件进行可视化编辑,MCODE插件进行子网络模块分析,筛选出OA发生过程中的核心基因。最后根据关联性图谱(CMap)分析具有潜在治疗OA的小分子药物。
结果:
2
筛选出556个差异基因,其中上调252个,下调304个,这些差异基因主要参与细胞外基质组织、炎症反应、细胞黏附、免疫应答以及胶原结合等方面;KEGG通路分析发现差异基因主要参与细胞外基质受体相互作用,磷脂酰肌醇3-激酶/蛋白激酶B(PI3K/Akt)信号通路及破骨细胞分化;蛋白质相互作用发现白细胞介素-6(IL-6),JUN,血管内皮生长因子
α
(VEGFA),FOS
MYC和早期生长反应蛋白-1(EGR-1),转录激活因子-3(ATF-3)等关键基因;筛选出了一些潜在治疗OA的小分子药物,如石蒜碱和茴香霉素等。
结论:
2
所筛选的关键基因可能成为诊断OA的标志物或潜在治疗OA的靶点;筛选出来的小分子药物可作为治疗OA的关键药物进行研发。
Objective:
2
To explore the key genes and potential therapeutic drugs for osteoarthritis(OA) by bioinformatics.
Method:
2
The microarray data GSE55235 was downloaded from the data platform of gene expression omnibus(GEO) and the differentially expressed genes were screened by R language software (3.5.0). Then
the differentially expressed genes were subjected to gene ontology(GO) enrichment analysis and Kyoto encyclopedia of genes and genomes(KEGG) signaling pathway analysis with David online database.The protein-protein interaction was analyzed by String 10.5 online database and visual editing was analyzed by Cytoscape v3.6.1 software. Subnetwork module analysis was utilized by MCODE plugin to screen the core genes in the process of OA.Finally
small molecule drugs with potential treatment for OA were analyzed by connectivity map(CMap) database.
Result:
2
A total of 556 differentially expressed genes were screened
among which 252 were up-regulated and 304 were down-regulated.These genes were mainly involved in extracellular matrix(ECM) organization
inflammatory response
cell adhesion
immune response
collagen binding
etc.The analysis of KEGG pathway showed that differential genes were mainly involved in ECM-receptor interaction
phosphatidylinositol 3 kinase-protein kinase B(PI3K/Akt) signaling pathway and osteoclast differentiation.Some genes
such as interleukin-6(IL-6)
JUN
vascular endothelial growth factor
α
(VEGFA)
FOS
MYC and early growth response gene-1(EGR-1)
activating transcription factor-3(ATF-3)
playing critical role in the process of OA were identified by protein-protein interaction.Some potential small molecular drugs for the treatment of OA have also been screened
such as lycorine and anisomycin.
Conclusion:
2
The selected key genes may be targets for the diagnosis of OA or potential targets for the treatment of OA
and the selected small molecular drugs can be developed as the key drugs for the treatment of OA.
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