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基于病原性钩端螺旋体FlaB蛋白保守亚单位的免疫层析试验在急性钩端螺旋体病诊断中的应用评估
【字体: 大 中 小 】 时间:2025年11月26日 来源:Microbiology Spectrum 3.8
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The study developed an immunochromatographic test (ICT) using a conserved 50-amino acid fragment (sFlaB) from pathogenic Leptospira flagellin B (FlaB) to detect IgM antibodies in acute leptospirosis. sFlaB was computationally identified as pathogen-specific, excluding cross-reactivity with non-pathogenic Leptospira or other flagellated bacteria. ICT-IgM achieved 80.40% sensitivity and 84.13% specificity, outperforming ICT-IgG and IFA in early-phase diagnosis. The test's rapidity, simplicity, and field适用性 make it suitable for resource-limited settings.
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