Establishment of a fluorescent in situ hybridization assay for imaging hepatitis B virus nucleic acids in cell culture models.

Establishment of a fluorescent in situ hybridization assay for imaging hepatitis B virus nucleic acids in cell culture models.
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细胞培养模型中乙型肝炎病毒核酸荧光原位杂交检测方法的建立

DOI:
10.1038/emi.2017.84
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发表时间:
2017-11-08
影响因子:
13.2
通讯作者:
Yuan Z
Yuan Z
中科院分区:
医学2区
文献类型:
--
作者:
Zhang X;Yue L;Zhang Z;Yuan Z

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虽然慢性肝炎B仍然是一个全球性的公共卫生问题,详细的时空动态的关键分子事件导致的增殖和外出的B型肝炎病毒(HBV)仍然在很大程度上不清楚。在此之前,我们开发了一种显色原位杂交法,用于检测临床肝活检中的HBV RNA、DNA和共价闭合环状DNA。在这里,我们报告建立了一个荧光原位杂交方法的可视化的HBV RNA,HBV核心颗粒DNA和核内DNA在四环素诱导的HBV复制系统(HepAD 38)和从头感染系统(HepG 2-NTCP)。使用3D-STORM(三维随机光学重建显微镜),我们能够获得具有改进空间分辨率的HBV RNA和DNA图像,从而可以深入分析复杂亚细胞区室中的关键病毒学事件。总之,这些技术应该有助于更深入地了解HBV生命周期的分子事件,并揭示病毒-宿主相互作用的复杂机制。Emerging Microbes & Infections(2017)6,e98; doi:10.1038/emi.2017.84;在线发布2017年11月8日
While chronic hepatitis B remains a global public health problem, the detailed spatiotemporal dynamics of the key molecular events leading to the multiplication and egress of hepatitis B virus (HBV) are still largely unclear. Previously, we developed a chromogenic in situ hybridization assay for detection of HBV RNA, DNA and covalently closed circular DNA in clinical liver biopsies. Here, we report the establishment of a fluorescent in situ hybridization method for the visualization of HBV RNA, HBV core particle DNA and intranuclear DNA in a tetracycline-inducible HBV replication system (HepAD38) and a de novo infection system (HepG2-NTCP). Using 3D-STORM (three-dimensional stochastic optical reconstruction microscopy), we were able to obtain images of HBV RNA and DNA with improved spatial resolution allowing in-depth analyses of key virological events within complex subcellular compartments. Taken together, these techniques should facilitate a deeper understanding of the molecular events of the HBV life cycle and shed new light on the intricate mechanisms of virus–host interactions. Emerging Microbes & Infections (2017) 6, e98; doi:10.1038/emi.2017.84; published online 8 November 2017
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影响因子: 5.4
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