感染病原体新型分子检测技术 GeneXpert

A novel molecular point-of-care testing detection technology for infectious pathogens：GeneXpert

近年来开展应用的GeneXpert分子生物学检测系统，整合了定量PCR分子检测过程中的样品制备、核酸纯化、基因扩增、结果报告等步骤并将其自动化，具有准确、快速、安全性高等特点，已成为新型分子POCT检测技术平台，为感染性病原体的检测提供了新的手段，尤其是在结核病的诊断方面具有重要意义。在此，介绍GeneXpert的检测原理、在感染病原体诊断方面的临床应用以及存在问题与发展趋势。

GeneXpert is an advanced molecular biological detection system developed in recent years, it integrates and automates the sample preparation , nucleic acid purification, gene amplification, results report of the fluorescent quantitative PCR process.As, an accurate, rapid, biosafe technology , GeneXpert has become one of the novel molecular POCT detection technology platforms for diagnosis of infectious pathogens and especially declared it a major milestone for global TB diagnosis .This paper introduces the detection principle , clinical application in the detection of infectious pathogens , limitation and prospect of GeneXpert.