使用下一代CRISPR/dx系统进行无放大核酸检测.
Cia-Hin Lau1, Siping Huang2, Haibao Zhu1
1Department of Biology, College of Science, Shantou University, Shantou, Guangdong, China.
Critical reviews in biotechnology
|September 22, 2024
概括
基于CRISPR的诊断 (CRISPR/Dx) 可以在没有放大的情况下进行敏感的核酸检测. 本综述根据信号增强策略对无放大CRISPR/Dx系统进行了分类,强调了它们在快速现场诊断方面的潜力.
科学领域:
- 分子诊断学 分子诊断
- 生物技术是生物技术.
- 生物感应是一种生物感应.
背景情况:
- 基于CRISPR的诊断 (CRISPR/Dx) 正在改变分子诊断,使得临床检测 (POCT) 成为可能.
- 对低丰度核酸的敏感检测通常需要预放大,这限制了当前的CRISPR/Dx应用.
- 无放大CRISPR/Dx系统已经出现,以克服这一局限性,提高信号检测灵敏度.
研究的目的:
- 批判性地审查和分类用于核酸检测的无放大CRISPR/Dx系统的最新进展.
- 讨论这些系统中使用的各种信号增强策略.
- 确定无放大CRISPR/Dx技术的陷和未来前景.
主要方法:
- 基于信号增强策略,将无放大CRISPR/Dx系统分为五组.
- 将CRISPR/Cas12a和/或CRISPR/Cas13a与其他催化酶,寡核酸,纳米材料,生物传感器或先进检测平台集成.
- 对每个类别的优势,局限性和未来方向进行批判性讨论.
主要成果:
- 根据信号增强方法确定了五种主要类型的无放大CRISPR/Dx系统.
- 这些系统利用各种各样的组件,如酶,寡核酸,纳米材料和先进的生物传感器来改进检测.
- 审查的系统显示了在没有目标放大的情况下进行敏感核酸检测的潜力.
结论:
- 无放大CRISPR/Dx系统为快速,经济高效和超敏感的现场核酸检测提供了一个有前途的途径.
- 这些系统的持续改进对于将CRISPR/Dx确立为领先的诊断技术至关重要.
- 这些进展为在各种诊断环境中广泛采用CRISPR/Dx铺平了道路.
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