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Subtle modifications of a PR3-ANCA ELISA affect assay performance.

机译:PR3-ANCA ELISA的细微修饰会影响测定性能。

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摘要

Tests for anti-neutrophil cytoplasmic antibodies (ANCA) are commonly performed to evaluate patients suspected of having small vessel vasculitis [1-3]. We previously published a paper in this journal detailing an evidence-based algorithm we had developed to optimize ANCA testing . The algorithm uses ELISA assays for PR3- and MPO-ANCA followed by confirmatory testing of all ELISA-positive sera by an indirect immunofluorescence (IIF) assay on human neutrophil substrates. This sequence provides a very high degree of sensitivity and specificity for detecting ANCA-associated diseases (e.g., Wegener's granulomatosis and microscopic polyangiitis).
机译:抗中性粒细胞胞浆抗体(ANCA)测试通常用于评估怀疑患有小血管血管炎的患者[1-3]。我们之前曾在该期刊上发表过一篇论文,详细介绍了为优化ANCA测试而开发的基于证据的算法。该算法使用针对PR3-和MPO-ANCA的ELISA分析,然后通过间接免疫荧光(IIF)分析对人类嗜中性白细胞底物进行所有ELISA阳性血清的确证测试。该序列为检测与ANCA相关的疾病(例如韦格纳肉芽肿和显微多发性血管炎)提供了非常高的灵敏度和特异性。

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