中国组织工程研究 ›› 2021, Vol. 25 ›› Issue (26): 4223-4229.doi: 10.12307/2021.125

• 组织构建综述 tissue construction review • 上一篇    下一篇

多芯片联合分析骨关节炎的分子机制

容伟明1,袁长深2,段  戡2,卢智贤1,梅其杰2,郭锦荣2   

  1. 1广西中医药大学,广西壮族自治区南宁市  530000;2广西中医药大学第一附属医院,广西壮族自治区南宁市  530023
  • 收稿日期:2020-07-07 修回日期:2020-07-13 接受日期:2020-08-19 出版日期:2021-09-18 发布日期:2021-05-13
  • 通讯作者: 袁长深,硕士,副主任医师,广西中医药大学第一附属医院,广西壮族自治区南宁市 530023
  • 作者简介:容伟明,男,1995年生,在读硕士,主要从事膝骨关节炎的基础与临床研究。
  • 基金资助:
    中医学广西一流学科(桂教科研[2018]12号) (2019XK030),项目负责人:袁长深;广西中医药大学自然科学研究项目(2019QN022),项目负责人:袁长深;国家自然科学基金(82060875),项目负责人:袁长深

Molecular mechanism of osteoarthritis by multi-chip combination analysis

Rong Weiming1, Yuan Changshen2, Duan Kan2, Lu Zhixian1, Mei Qijie2, Guo Jinrong2   

  1. 1Guangxi University of Chinese Medicine, Nanning 530000, Guangxi Zhuang Autonomous Region, China; 2First Affiliated Hospital, Guangxi University of Chinese Medicine, Nanning 530023, Guangxi Zhuang Autonomous Region, China
  • Received:2020-07-07 Revised:2020-07-13 Accepted:2020-08-19 Online:2021-09-18 Published:2021-05-13
  • Contact: Yuan Changshen, Master, Associate chief physician, First Affiliated Hospital, Guangxi University of Chinese Medicine, Nanning 530023, Guangxi Zhuang Autonomous Region, China
  • About author:Rong Weiming, Master candidate, Guangxi University of Chinese Medicine, Nanning 530000, Guangxi Zhuang Autonomous Region, China
  • Supported by:
    the First-class Discipline of Traditional Chinese Medicine in Guangxi Zhuang Autonomous Region ([2018]12), No. 2019XK030 (to YCS); the Natural Science Research Project of Guangxi University of Chinese Medicine, No. 2019QN022 (to YCS); the National Natural Science Foundation of China, No. 82060875  (to YCS)

摘要:

文题释义:
骨关节炎:是一种以关节软骨退行性变和继发骨质增生为主的慢性关节疾病。目前在60岁以上的人群中有9.6%男性和18%女性患有骨关节炎,且其发病率随着社会的老龄化将持续上升,导致关节疼痛和残疾问题较为突出,给社会带来极大的经济负担。由于骨关节炎的发病机制尚未明确,使得其治疗效果不佳,因此分析其分子机制而确定有效的治疗方案是一研究热点。
信号通路:是指细胞外的分子信号经过细胞膜传递到细胞内并引起一系列酶促反应的通路。通过对差异表达基因的信号通路富集分析,可明确这些基因的功能和途径,便于更好地了解基因传导信号在影响疾病发生、发展过程中的重要作用。

背景:骨关节炎是最常见的慢性关节疾病,其发病机制与复杂的基因调控网络密切相关,但其潜在网络尚未完全明确。
目的:利用生物信息学分析方法挖掘骨关节炎滑膜组织中的重要基因、通路、miRNA-mRNA调控网络和免疫浸润情况,以便更全面地阐明骨关节炎的发病机制。
方法:从GEO数据库获取GSE1919、GSE55235和GSE12021基因表达谱芯片,利用R软件筛选差异表达基因,并对其进行富集分析;接着建立蛋白质-蛋白质互作网络和预测差异表达基因上游的miRNA,构建miRNA-mRNA网络,筛选出重要基因和miRNA;最后利用CIBERSORT算法分析骨关节炎与正常对照组滑膜组织的免疫浸润情况。
结果与结论:获得64个上调和23个下调差异表达基因,GO分析主要富集在对类固醇激素的反应、对皮质类固醇的反应、对脂多糖的反应和白细胞迁移等;KEGG分析显示白细胞介素17、NF-κB、TNF和MAPK等通路与骨关节炎密切相关;miRNA-mRNA网络分析显示白细胞介素6、VEGFA、MYC等10个关键基因和miR-21-5p、miR-142-3p在骨关节炎中较为重要;免疫浸润结果表明,骨关节炎滑膜和正常滑膜中幼稚B细胞、浆细胞和调节性T细胞等6种免疫细胞存在着明显的差异。该研究构建了miRNA-mRNA调控网络和深究滑膜组织免疫浸润的差异,为从滑膜方向全面阐明骨关节炎的发病机制提供理论依据。
https://orcid.org/0000-0003-2094-6138 (容伟明)

中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松;组织工程

关键词: 骨关节炎, 基因, 芯片, 数据库, 生物信息学, 分子机制, 免疫浸润, 滑膜组织

Abstract:

BACKGROUND: Osteoarthritis is the most common chronic joint disease. Its pathogenesis is closely related to the complex gene regulatory network, but its underlying network has not been fully clarified.

OBJECTIVE: To identify hub genes, important pathways, miRNA-mRNA regulatory network and immune infiltration in the synovial tissue of osteoarthritis by bioinformatics analysis, with fully clarifying the pathogenesis of osteoarthritis. 
METHODS: The gene expression microarrays of GSE1919, GSE55235 and GSE12021 were obtained from GEO database, with differentially expressed genes screened out and enriched by R software. Then, protein-protein interaction network and miRNA-mRNA network were constructed based on upstream regulatory miRNAs of predicted differentially expressed genes to screen out hub genes and miRNAs. Finally, immune infiltration of synovial tissue in osteoarthritis and normal control groups was analyzed by CIBERSORT. 
RESULTS AND CONCLUSION: In total 64 up-regulated genes and 23 down-regulated genes were obtained, which were mainly involved in response to steroid hormone, response to corticosteroid, response to lipopolysaccharide and leukocyte migration. The important pathways closely related to osteoarthritis mainly included interleukin-17 signaling pathway, nuclear factor-κB signaling pathway, tumor necrosis factor signaling pathway and mitogen-activated protein kinase signaling pathway. MiRNA-mRNA network analysis showed that 10 hub genes, such as interleukin-6, VEGFA, MYC and miR-21-5p and miR-142-3p, were identified in osteoarthritis. Results of immune infiltration showed that there were significant differences in six kinds of immune cells, such as naïve B cells, plasma cells and regulatory T cells, between osteoarthritic synovium and normal synovium. The study constructed miRNA-mRNA regulatory network and investigated the difference of immune infiltration in synovial tissues, providing a theoretical basis for understanding the pathogenesis of osteoarthritis from the perspective of synovial tissue.

Key words: osteoarthritis, gene, microarray, database, bioinformatics, molecular mechanism, immune infiltration, synovial tissue

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