中国组织工程研究 ›› 2023, Vol. 27 ›› Issue (14): 2182-2193.doi: 10.12307/2023.424

• 组织构建细胞学实验 cytology experiments in tissue construction • 上一篇    下一篇

相关转录组分析鉴定色素沉着绒毛结节性滑膜炎的潜在生物标志物

刘  源1,梁学振1,2,许  波1,2,刘金豹1,2,李  刚1,2   

  1. 1山东中医药大学,山东省济南市  250014;2山东中医药大学附属医院,山东省济南市  250014
  • 收稿日期:2022-06-06 接受日期:2022-07-12 出版日期:2023-05-18 发布日期:2022-09-30
  • 通讯作者: 李刚,博士,教授,主任医师,博士生导师,山东中医药大学,山东省济南市 250014;山东中医药大学附属医院,山东省济南市 250014
  • 作者简介:刘源,男,1994年生,山东省德州市人,硕士,主要从事中医药防治骨与关节疾病的基础和临床研究。
  • 基金资助:
    国家自然科学基金面上项目(81774333),项目负责人:李刚;山东省中医经典方剂合作创新与开放项目(2019KFY17),项目负责人:许波;山东省重点研发计划(2016GSF202022),项目负责人:李刚

Identification of potential biomarkers of pigmented villonodular synovitis by transcriptome analysis

Liu Yuan1, Liang Xuezhen1, 2, Xu Bo1, 2, Liu Jinbao1, 2, Li Gang1, 2   

  1. 1Shandong University of Traditional Chinese Medicine, Jinan 250014, Shandong Province, China; 2Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250014, Shandong Province, China
  • Received:2022-06-06 Accepted:2022-07-12 Online:2023-05-18 Published:2022-09-30
  • Contact: Li Gang, MD, Professor, Chief physician, Doctoral supervisor, Shandong University of Traditional Chinese Medicine, Jinan 250014, Shandong Province, China; Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250014, Shandong Province, China
  • About author:Liu Yuan, Master, Shandong University of Traditional Chinese Medicine, Jinan 250014, Shandong Province, China
  • Supported by:
    the National Natural Science Foundation of China (General Program), No. 81774333 (to LG); Shandong Province Traditional Chinese Medicine Classic Prescription Cooperative Innovation and Opening Project, No. 2019KFY17 (to XB); Shandong Provincial Key R&D Program, No. 2016GSF202022 (to LG)

摘要:

文题释义:
转录组分析:是目前应用最广的高通量测序分析技术之一,常见设计是不同样品之间比较,寻找差异基因、标志基因、协同变化基因,并进行结果可视化、功能注释和网络分析等,转录组狭义上指所有mRNA的集合。
生物标志物:是指可以标记系统、器官、组织、细胞及亚细胞结构或功能的改变或可能发生改变的生化指标,具有非常广泛的用途。生物标志物可用于疾病诊断、判断疾病分期或者用来评价新药或新疗法在目标人群中的安全性及有效性。

背景:色素沉着绒毛结节性滑膜炎是一种罕见的滑膜炎性病变,早期诊断缺乏相关生物标志物,mRNA已被证实参与了疾病的发生发展,但其作用机制尚不清楚。
目的:通过生物信息学及相关转录组分析鉴定色素沉着绒毛结节性滑膜炎的潜在生物标志物和发病机制,以用于疾病鉴别诊断。
方法:通过GEO数据库检索与色素沉着绒毛结节性滑膜炎相关的滑膜组织微阵列数据集,并用NetworkAnalyst分析鉴定差异表达基因(P < 0.05)。使用疾病数据库检索与色素沉着绒毛结节性滑膜炎相关的基因,并与差异表达mRNA取交集得到最终差异表达基因。利用BioGPS对特异性基因进行组织/器官定位。通过STRING数据库构建蛋白质-蛋白质相互作用网络,KOBAS 3.0和GSEA 4.1.0对差异表达基因进行富集分析,并运用多重计算方法鉴定核心基因。利用Cytoscape构建竞争性内源性RNA(CeRNA)网络。GEO数据集验证了具有较高诊断价值的生物标志物。此外,通过Xcell网站分析64种免疫细胞和基质细胞的浓度,并计算丰度分数。
结果与结论:在GSE175626数据集中共鉴别出2 546个差异表达基因,包括2 317个差异mRNA和229个差异长链非编码RNA。与疾病数据库中的相关基因取交集后最终得到70个差异表达基因,其中60个被BioGPS识别。与骨性关节炎患者相比,GO和KEGG富集分析显示,色素沉着绒毛结节性滑膜炎患者的差异表达基因主要参与炎症、细胞增殖、血管生成和免疫反应等方面。CytoHubba筛选出15个核心基因,MCODE识别出4个基因簇模块。GEO数据集验证了12个差异性表达核心基因。免疫与基质细胞去卷积分析发现12个核心基因与部分免疫细胞均有密切关系。结果表明:IL-6、TNF、CD163、KRAS、FN1、HMOX1、GAPDH、IL1B、PTPRC、MAPK1、CCR2、NFKBIA可能是色素沉着绒毛结节性滑膜炎诊断的潜在生物标志物。SNHG14-hsa-miR-206-FN1和XIST-hsa-miR-107-HMOX1/CD163可能是调节色素沉着绒毛结节性滑膜炎疾病进展的潜在RNA途径。

https://orcid.org/0000-0001-8961-4743(刘源)

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: 色素沉着绒毛结节性滑膜炎, 生物标志物, 组织/器官特异性表达, RNA调节途径, 去卷积分析

Abstract: BACKGROUND: Pigmented villonodular synovitis is a rare synovial inflammatory disease. There is no relevant biomarker for early diagnosis. Messenger RNA (mRNA) has been confirmed to be involved in the occurrence and development of the disease, but its mechanism is not clear.
OBJECTIVE: To identify the potential biomarkers and pathogenesis of pigmented villonodular synovitis by bioinformatics and related transcriptome analysis for differential diagnosis of the disease.
METHODS: The microarray data set of synovial tissue associated with pigmented villonodular synovitis was searched by GEO database, and the differentially expressed genes were identified by NetworkAnalyst analysis (P < 0.05). The genes related to pigmented villonodular synovitis were searched in the disease database, and the differentially expressed genes were obtained by overlap with differentially expressed mRNAs. Tissue/organ localization of specific genes was carried out by BioGPS. The protein-protein interaction network was constructed by STRING database. The differentially expressed genes were enriched and analyzed by KOBAS3.0 and GSEA4.1.0, and the hub genes were identified by multiple computing methods. Cytoscape was used to build competitive endogenous RNA network. GEO dataset validated the biomarkers with high diagnostic value. In addition, the concentrations of 64 kinds of immune cells and stromal cells were analyzed by Xcell website, and the abundance fraction was calculated.
RESULTS AND CONCLUSION: A total of 2 546 differentially expressed genes were identified in the GSE175626 dataset, including 2 317 differentially expressed mRNA and 229 differentially expressed lncRNA. After intersection with the related genes in the disease database, 70 differentially expressed genes were obtained, 60 of which were identified by BioGPS. Compared with patients with osteoarthritis, GO and KEGG enrichment analysis showed that differentially expressed genes in patients with pigmented villonodular synovitis were mainly involved in inflammation, cell proliferation, angiogenesis, and immune response. Fifteen hub genes were determined by CytoHubba and four gene cluster modules were identified by MCODE. Twelve heterosexual hub genes were verified by GEO dataset. Immune and stromal cell deconvolution analysis showed that 12 hub genes were closely related to some immune cells. Overall, IL-6, TNF, CD163, KRAS, FN1, HMOX1, GAPDH, IL1B, PTPRC, MAPK1, CCR2, and NFKBIA may be potential biomarkers for the diagnosis of pigmented villonodular synovitis. SNHG14-hsa-miR-206-FN1 and XIST-hsa-miR-107-HMOX1/CD163 may be potential RNA pathways to regulate the progression of pigmented villonodular synovitis.

Key words: pigmented villonodular synovitis, biomarker, tissue/organ specific expression, RNA regulatory pathway, deconvolution analysis

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