类风湿关节炎患者关节成纤维样滑膜细胞差异表达的基因分析

被引:15
作者
张宇 [1 ]
王海永 [2 ]
管晓龙 [1 ]
李玲慧 [2 ]
王菲 [2 ]
赵琴飞 [2 ]
虞伟 [2 ]
赵建宁 [3 ]
李晓军 [2 ]
机构
[1] 江苏大学医学院
[2] 南京军区南京总医院中心实验科
[3] 南京军区南京总医院骨科
关键词
类风湿关节炎; 成纤维样滑膜细胞; 基因芯片;
D O I
暂无
中图分类号
R593.22 [类风湿性关节炎];
学科分类号
100201 [内科学];
摘要
目的成纤维样滑膜细胞(fibroblast-like synoviocytes,FLSs)的异常增生是造成类风湿关节炎(rheumatoid arthritis,RA)关节组织损伤和畸变的主要原因之一。文中用基因表达谱芯片筛选RA患者关节FLSs中表达差异有统计学意义的基因,探索其与RA发病机制的关系。方法原代培养手术切取的膝关节滑膜组织中FLSs至第3代,用Agilent人基因表达谱芯片对3例RA患者和3例外伤患者的FLSs进行初筛,并对表达差异有统计学意义的基因进行基因本体(gene ontology)和信号通路(pathway)分析。随后用实时定量PCR在15例RA患者FLSs和15例外伤患者FLSs中验证可能与RA发病机制有关的表达差异有统计学意义的基因。结果与外伤患者FLSs相比,RA患者FLSs共检出103个表达差异有统计学意义的基因转录本(差异倍数>2,P<0.05),其中36个表达上调,67个表达下调。实时定量PCR结果显示,外伤患者FLSs与RA患者FLSs,速激肽前体1α型(TAC1)基因、wnt诱导分泌蛋白3(WISP3)基因、血管内皮生长因子基因表达水平明显降低,分别为[(6.65±1.81)vs(1.00±0.20)]、[(18.45±3.67)vs(1.00±0.31)]、[(3.11±0.36)vs(1.00±0.13),P<0.05],肿瘤坏死因子超家族成员15基因表达水平明显升高[(0.15±0.08)vs(1.00±0.35),P<0.05]。结论 TAC1、WISP3、VEGFA和TNFSF15基因在RA患者FLSs中异常表达,这些基因的异常表达可能参与了RA的发生发展。
引用
收藏
页码:598 / 604
页数:7
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