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基于纳米孔的针对性下一代组织样本测序用于结核病诊断

Weiwei Gao¹, Chen Yang¹, Tianzhen Wang¹

¹Department of Tuberculosis, The Second Hospital of Nanjing, Nanjing, China.

Frontiers in microbiology

|July 19, 2024

概括

基于纳米孔的下一代定向测序 (tNGS) 提供了一种非常准确的方法,用于在组织样本中诊断结核病 (TB). 这种先进的技术超越了传统方法,有助于检测耐药结核病.

科学领域:

微生物学微生物学
基因组学就是基因组学.
传染性疾病传染性疾病

背景情况:

诊断结核病 (TB) 是具有挑战性的,特别是没有的肺结核病或肺外结核病 (EPTB) 病例.
准确和快速的诊断工具对于有效的结核病管理和控制至关重要.

研究的目的:

在组织样本中评估基于纳米孔的下一代定向测序 (tNGS) 的诊断实用性.
将tNGS的疗效与已知结核病诊断方法进行比较.

主要方法:

分析了来自临床结核病例的110个组织样本.
tNGS性能与使用AFB,PCR,IHC和Xpert MTB/RIF测定对HE染色进行了基准测试.
敏感性和特异性是关键绩效指标.

主要成果:

tNGS显示出高灵敏度 (88.2%) 和高特异性 (94.1%).
传统方法的灵敏度显著降低:HE-AFB (30.1%),HE-PCR (49.5%),HE-IHC (47.3%) 和Xpert MTB/RIF (59.1%). 传统方法的灵敏度显著降低:HE-AFB (30.1%),HE-PCR (49.5%),HE-IHC (47.3%),以及Xpert MTB/RIF (59.1%) 的灵敏度显著降低.
tNGS在10.75%的结核病患者中发现了潜在的耐药性.

结论:

与现有方法相比,基于纳米孔的tNGS在组织样本中的结核病诊断提供了更高的准确性.
tNGS是快速准确诊断耐药结核病的宝贵工具.

关键词:

结核病菌菌菌的结核病菌的结核病菌.结核病的诊断结核病的诊断耐药结核病是一种耐药性结核病.肺外结核是肺外结核的一种疾病.血素和欧染色的染色方法有针对性的下一代测序 (tNGS)组织样本的组织样本.

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