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ANA、抗dsDNA、抗ENA抗体联合检测对系统性红斑狼疮患者的诊断及临床意义
引用本文:张晓梅,罗兴燕,连金泉. ANA、抗dsDNA、抗ENA抗体联合检测对系统性红斑狼疮患者的诊断及临床意义[J]. 矿产勘查, 2010, 0(1): 60-62
作者姓名:张晓梅  罗兴燕  连金泉
作者单位:上饶市人民医院检验科,江西上饶334000
摘    要:目的探讨抗核抗体(ANA)、抗双链DNA抗体(抗dsDNA)、抗可提取核抗原(抗ENA)抗体联合检测对系统性红斑狼疮(SLE)患者的诊断及意义。方法分别检测92例SLE患者(SLE组)和80例健康体检者(对照组)的ANA、抗dsDNA、抗ENA抗体。ANA采用间接免疫荧光法测定,抗dsDNA采用胶体金斑点渗滤法测定,抗ENA抗体采用免疫印迹法测定。结果①SLE组患者的ANA、抗dsDNA、抗ENA抗体的阳性率分别为89.1%、47.8%、50.0%,三者联合检测的阳性率为94.5%,均明显高于对照组(P〈0.01)。②SLE组患者抗ENA各项抗体阳性率为:抗Sm抗体22.8%、抗SSA26.1%、抗SSB10.9%、抗UIRNP15.2%、抗rRNP9.7%、抗scl-70 1.1%、抗Jo-1。③SLE组患者中的40例伴发狼疮性肾炎(LN组),52例为非狼疮性。肾炎(非LN组),其中LN组抗dsDNA有30例阳性,阳性率为75.0%,非LN组抗dsDNA有14例阳性,阳性率为26.9%,两者有显著差异(P〈0.01)。结论ANA、抗dsDNA、抗ENA抗体的检测对SLE的诊断与鉴别诊断、病情的发展、疗效的观察均有重要的意义,而且联合检测可提高检出率,可以互相弥补。

关 键 词:抗核抗体  抗双链DNA抗体  抗可提取核抗原抗体  系统性红斑狼疮

The Diagnosis and the Clinical Significance of Combined Detection of ANA,Anti-dsDNA,and anti-ENA Antibody in Systematic Lupus Erthematosus
ZHANG Xiao-mei,LUO Xing-yan,LIAN Jin-quan. The Diagnosis and the Clinical Significance of Combined Detection of ANA,Anti-dsDNA,and anti-ENA Antibody in Systematic Lupus Erthematosus[J]. Mineral Exploration, 2010, 0(1): 60-62
Authors:ZHANG Xiao-mei  LUO Xing-yan  LIAN Jin-quan
Affiliation:(Department of Clinical Laboratory, Shangrao People's Hospital, Shangrao 334000, China)
Abstract:Objective To investigate the diagnostic significance of combined determination of the anti-nuclear antibody (ANA), anti-dsDNA, anti-extractable nuclear antigens (ENA) antibody in systematic lupus erythematosus. Methods Ninety-two SLE patients (SLE group) and 80 healthy people (control group)were examined and compared. ANA was tested by indirect immunofluorescence;anti-dsDNA was tested by immofiltration assay;anti-ENA antibody was tested by immunoblotting technique. Results (1) The positive rate of ANA,anti-dsDNA and anti-ENA antibody in the SLE group patients were 89.1% ,47.8% and 50.0% respectively; the positive rate of combined determination of ANA, anti-dsDNA and anti-ENA antibody was 94.5 %. All the data in SLE group were higher than those in control group, which showed significant differences(P〈 0.01). (2)The respective antibody positive rates of anti-ENA antibody in SLE group patients:the anti-Sin was 22.8%,the anti-SSA was 26. 1%,the anti-SSB was 10. 9%,the anti-U1RNP was 15.2%,the anti-rRNP was 9. 7%,the anti-scl-70 was 1. 1% and anti-Jo-1 was zero. (3)Of SLE group patients,40 were lupus nephtritis (LN group),52 were not lupus nephtritis(NLN group); the anti-dsDNA of the 30 patients in LN group was positive,whose rate was 75.0%; the 14 patients in NLN group are positive,whose rate is 26.9% ,which shows significant differences(P〈0.01). Conclusion The determination of ANA,anti-dsDNA,and anti-ENA antibody may have important significance in diagnosis,differentiation, monitoring and treatment. The combined determination of ANA, anti-dsDNA and anti-ENA antibody could improve the determination percentage in SLE, which is complementary with each other.
Keywords:ANA  anti-dsDNA  anti-ENA antibody  systematic lupus erythematosus
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