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系统性红斑狼疮患者血清中miR-155的表达及意义 被引量:7

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摘要 目的探讨系统性红斑狼疮(systemic lupus erythematosus,SLE)患者血清中miR-155的表达及其在SLE发病中的作用及临床检验诊断的意义。方法收集SLE患者90例[SLE疾病活动指数(SLEDAI)评分≤9为轻度活动组,>9为重度活动组],类风湿关节炎(RA)患者60例,干燥综合征(SS)患者60例和健康体检者30例,采用实时荧光定量聚合酶反应(qRT-PCR)检测血清中miR-155的表达水平,分析其与临床及实验指标的相关性。结果 SLE患者血清中miR-155的表达水平显著低于健康体检者(P<0.01);与SLE患者相比,RA患者和SS患者血清中miR-155表达均下降,差异有统计学意义(P<0.05,P<0.01)。SLE患者血清中miR-155的表达水平重度活动组显著低于轻度活动组,差异有统计学意义(P<0.01)。SLE患者血清中miR-155表达量与SLEDAI呈负相关(r=-0.673,P<0.01),与C3呈正相关(r=0.594,P<0.01)。血清miR-155作为临床检验标志物敏感度为73.3%,特异度为86.7%。结论 miR-155在SLE患者血清中显著低表达,其敏感度和特异度都很高,有望成为新的临床检验诊断标志物。
出处 《广东医学》 CAS 北大核心 2016年第6期853-855,共3页 Guangdong Medical Journal
基金 天津市卫生行业重点攻关项目(编号:13KG142)
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