一种新的微流体导电泳技术,可在临床样本中快速诊断结核菌菌
Catherine M Moore1, Jasvir Dhillon1, Rebecca Flynn1
1Institute for Infection and Immunity, St. George's University of London, London, United Kingdom.
The Journal of molecular diagnostics : JMD
|June 24, 2023
概括
一个新的芯片实验室设备使用二电泳来隔离Mycobacterium结核病从唾液. 这项技术显示出对负担得起的结核病诊断的前景,有助于全球根除努力.
科学领域:
- 生物医学工程 生物医学工程
- 微流体学 微流体学
- 传染病诊断 传染病诊断 传染病诊断
背景情况:
- 全球结核病控制需要可访问的诊断,用于早期检测和药物耐药性监测.
- 目前的方法往往缺乏达到所有受影响人群所需的敏感性或照顾点的适用性.
- 样品制备方面的进步对于提高诊断准确性至关重要,特别是在低细菌负担的情况下.
研究的目的:
- 开发和评估一种实验室芯片设备,利用电解电泳来隔离Mycobacterium结核病.
- 评估这项技术的诊断性能,作为分子检测的前端.
- 探索其在视觉检测和基因型药物敏感性测试方面的潜力.
主要方法:
- 消极电泳用于从唾液样本中选择性分离和净化Mycobacterium结核病菌.
- 然后使用多重实时定量PCR分析纯化的细菌.
- 性能与黄金标准相对验证,使用特征和盲目的唾液样本.
主要成果:
- CAPTURE-XT技术与培养诊断具有很高的一致性 (100%的涂抹阴性样品,87%的涂抹阳性样品).
- 高负荷涂抹阳性样本显示100%一致.
- 该系统在分子确认之前的样本准备中被证明是有效的.
结论:
- 基于介电泳的实验室芯片技术为结核病诊断提供了强大的样本准备解决方案.
- 这种多功能平台具有低成本查,视觉检测和扩展基因型药物敏感性测试的潜力.
- 它代表了朝着实现可负担的,真正的结核病治疗点诊断的重要一步.
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