抗核抗体和抗核抗体谱联合检测诊断自身免疫性疾病的临床价值.pdf
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1、抗核抗体和抗核抗体谱联合检测诊断自身免疫性疾病的临床价抗核抗体和抗核抗体谱联合检测诊断自身免疫性疾病的临床价值值周莲;符明昌;羊文芳【摘【摘 要】要】目的:探讨自身免疫性疾病(AID)患者血清抗核抗体(ANA)和抗核抗体谱(ANAs)的表达及临床意义。方法选取 2013 年 1 月至 2015 年 4 月海南省第三人民医院收治的 194 例 AID 患者和 103 例非 AID 患者(对照组),根据美国风湿病学会的诊断标准将 194 例 AID 患者分为系统性红斑狼疮(SLE)组、混合性结缔组织病(MCTD)组、干燥综合征(SS)组、硬皮病(PSS)组、类风湿性关节炎(RA)组和过敏性紫癜(A
2、P)组。采用间接免疫荧光法(IIF)和免疫印迹法(IBT)检测所有患者的 ANA 和ANAs,并进行统计分析。结果女性患者检出 ANA、Ul-SnRNP、抗 dsDNA、抗SSA、抗 SSB、抗核小体和抗组蛋白的阳性率均明显高于男性,差异均有统计学意义(P0.05);在不同 AID 患者中 ANA 检测均呈阳性,其中 SLE 组阳性率最高,达 93.5%,其次分别为 MCTD 组(85.0%)、SS 组(79.2%)、PSS 组(69.2%)、RA组(35.8%)、AP 组(20.0%),均明显高于对照组(4.9%),差异均有统计学意义(P0.05)。RA 组主要表达抗组蛋白(47.7%),明
3、显高于对照组(1.0%)。SLE 组主要表达抗 SmDl(37.9%)、抗 dsDNA(66.1%)、抗 SSA(41.9%)、抗核小体(77.4%)和抗组蛋白(37.1%),均明显高于对照组,差异均有统计学意义(P0.05)。SS 组主要表达抗 SSA(58.3%)和抗 SSB(50.0%),均明显高于对照组。MCTD 组主要表达 Ul-SnRNP(35.0%)、抗 SSA(60.0%)和抗 SSB(30.0%),均明显高于对照组。PSS 组和 AP 组主要表达抗 Scl-70(46.1%和 10.0%),均明显高于对照组,差异均有统计学意义(P0.05);130 例 ANA 阳性患者检出
4、97 例 ANAs 阳性,符合率 74.6%;64 例 ANA 阴性患者检出 58 例 ANAs 阴性,符合率为 90.6%;AID 患者 ANA 核型分布以核颗粒型和核均质型为主,其他核型较少见;核颗粒型多为抗 SSA(48.5%)、抗 SSB(23.7%)和抗组蛋白(26.8%),核均质型多为抗dsDNA(28.9%)、抗核小体(29.9%)和抗组蛋白(25.7%)。结论 ANA 可辅助诊断自身免疫性疾病,但缺乏特异性,联合抗核抗体谱检测对 AID 的诊断有重要意义。%Objective To investigate the expression and clinical signific
5、ance ofserum antinuclear antibody(ANA)and antinuclear antibody spectrum(ANAs)in patients with autoimmune diseases(AID).Methods A total of194 cases of AID patients and 103 cases of patients without AID(controlgroup)in the Third Peoples Hospital of Hain-an Province were selectedfrom January 2013 to Ap
6、ril 2015.According to the diagnostic criteria of theAmerican College of Rheumatology,the 194 patients with AID weredivided into 6 groups as systemic lupus erythematosus(SLE)group,mixedconnective tissue diseases(MCTD)group,sicca syndrome(SS)group,progressive systemic sclerosis(PSS)group,rheumatoid ar
7、thritis(RA)groupand allergic purpura(AP)group.ANA and ANAs of all patients weredetected by indirect immunofluorescence(IIF)and immunoblotting test(IBT),and the statistical analysis was per-formed.Results The positive ratesof ANA,Ul-SnRNP,anti dsDNA,anti SSA,anti SSB,anti nuclear and antihistone in f
8、emale patients were significantly higher than those in males,and the differences were statistically significant(P0.05).ANA test waspositive in different AID patients,among which the positive rate of SLEgroup was the highest(93.5%),followed by MCTD group(85.0%),SS group(79.2%),PSS group(69.2%),RA gro
9、up(35.8%),AP group(20.0%),whichwere significantly higher than those of control group(4.9%).Theexpression of anti histone(47.7%)in the RA group was significantly higherthan that in the control group(1.0%).SLE group mainly expressed anti-SmDl(37.9%),anti-dsDNA(66.1%),anti-SSA(41.9%),anti-nucleosome(77
10、.4%)and anti-histone(37.1%),which were signifi-cantly higher thanthose of the control group(P0.05).SS group mainly expressed anti-SSA(58.3%)and anti-SSB(50.0%),which were significantly higher than those ofthe control group(P0.05).MCTD group mainly expressed Ul-SnRNP(5.0%),anti SSA(60.0%)and anti SSB
11、(30.0%),which were significantlyhigher than those of the control group(P0.05).PSS and AP group mainlyexpressed anti Scl-70(46.1%and 10.0%),which were significantly higherthan those of the control group(P0.05).A total of 97 cases of ANAspositive were detected in 130 cases of ANA posi-tive patients,an
12、d thecoincidence rate was 74.6%.Fifty-eight cases of ANAs negative weredetected in 64 cases of ANA negative patients,with the rate of 90.6%.Thedistribution of ANA karyotype in AID patients was mainly nuclear particletype and nuclear homogeneous type,and other karyotype was rare.Nuclear particle type
13、s were mostly an-ti-SSA(48.5%),anti-SSB group(23.7%)and anti-histone(26.8%),and the nuclear homogeneous typeswere mostly an-ti-dsDNA(28.9%),anti-nucleosome(29.9%)and anti-histone(25.7%).Conclusion ANA can assist in the diagnosis ofautoimmune diseases,but lack of specificity.Combined detection ofanti
14、nuclear antibody and antinuclear antibody spec-trum has importantsignificance for the diagnosis of AID.【期刊名称】海南医学【年【年(卷卷),),期】期】2016(027)018【总页数】【总页数】4 页(P2965-2968)【关键词】【关键词】自身免疫性疾病;抗核抗体;抗核抗体谱;表达;临床意义【作【作 者】者】周莲;符明昌;羊文芳【作者单位】【作者单位】海南省第三人民医院检验科,海南 三亚 572000;海南省第三人民医院检验科,海南 三亚 572000;海南省西部中心医院检验科,海南
15、儋州 571700【正文语种】【正文语种】中 文【中图分类】【中图分类】R593.2自身免疫性疾病(autoimmune diseases,AID)是机体自身发生免疫应答及免疫功能发生紊乱而引发多器官系统受损的一种疾病 1,临床表现多变,往往累及皮肤、浆膜、关节、肾及中枢神经系统等。越来越多的研究证实,采用间接免疫荧光法(indirect immunofluorescence,IIF)检测抗核抗体(antinuclear antibody,ANA),对辅助诊断 AID 具有重要的意义2-3。免疫印迹法(immunoblottingtest,IBT)特异性抗核抗体谱(antinuclear an
16、tibody spectrum,ANAs)检测对AID 的鉴别诊断、病情判断、治疗监测和预后评估具有重要的价值4-5。本研究通过对 AID 患者中 ANA 和 ANAs 的检测,分析其在 AID 患者中的表达及临床意义。1.1 一般资料 选取 2013 年 1 月至 2015 年 4 月海南省第三人民医院收治的 194例 AID 患者,其中男性 70 例,女性 124 例,年龄 582 岁,平均(46.715.8)岁。所有患者均符合美国风湿病学会的诊断标准,其中类风湿性关节炎(rheumatoidarthritis,RA)65 例,系统性红斑狼疮(systemic lupus erythema
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