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SLE活动性与补体及自身抗体水平的相关性研究 被引量:16

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摘要 目的探讨补体C3、抗核小体抗体(ANuA)、抗双链DNA抗体(抗ds-DNA抗体)、抗Sm抗体和抗核糖体P蛋白抗体(抗r-RNP抗体)在诊断及评价系统性红斑狼疮(SLE)活动性中的意义。方法分别检测110例SLE患者(SLE组)及40例其他风湿病患者(对照组)的补体C3及自身抗体,并将SLE患者分为基本无活动组、轻度活动组和中高度活动组3组。用免疫比浊法检测C3,免疫印迹法检测ANuA、抗Sm抗体和抗r-RNP抗体,酶联免疫吸附法检测抗ds-DNA抗体。结果 SLE疾病的活动度与SLE患者血清C3水平呈显著负相关(r=-0.461,P=0.000);ANuA、抗ds-DNA抗体、抗Sm抗体、抗r-RNP均为SLE患者的特异性抗体;SLE患者中抗ds-DNA抗体的阳性率最高,基本无活动组与轻度活动组、中高度活动组比较差异有统计学意义(P<0.05);ANuA的阳性率各活动度组间比较差异有统计学意义(P<0.05);抗r-RNP抗体的阳性率中高度活动组与基本无活动组、轻度活动组的阳性率比较差异有统计学意义(P<0.05);抗Sm抗体的阳性率各活动度组间比较差异无显著性(P>0.05)。结论补体C3、ANuA、抗ds-DNA抗体、抗r-RNP抗体及抗Sm抗体不仅对SLE的诊断具有重要价值,而且可作为监测SLE疾病活动的指标,但抗Sm抗体与SLE疾病活动无关。
作者 刘开美
出处 《国际检验医学杂志》 CAS 2012年第4期494-495,共2页 International Journal of Laboratory Medicine
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参考文献16

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