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JoVE Journal
Immunology and Infection
微链 rna 的共聚焦成像和模式识别受体在负感 rna 病毒感染中的应用
微链 rna 的共聚焦成像和模式识别受体在负感 rna 病毒感染中的应用
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
Confocal Imaging of Double-Stranded RNA and Pattern Recognition Receptors in Negative-Sense RNA Virus Infection

微链 rna 的共聚焦成像和模式识别受体在负感 rna 病毒感染中的应用

Full Text
8,107 Views
06:44 min
January 26, 2019

DOI: 10.3791/59095-v

Elizabeth Mateer1, Slobodan Paessler1, Cheng Huang1

1Department of Pathology and Institute for Human Infections and Immunity,University of Texas Medical Branch

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Please note that some of the translations on this page are AI generated. Click here for the English version.

Summary

在 rna 病毒复制过程中产生的双链 rna 可以通过模式识别受体来识别, 从而诱导先天免疫反应。对于负感 rna 病毒, 低水平 dsrna 和 prr 之间的相互作用仍不清楚。我们开发了一种共聚焦显微镜方法, 用于在单个细胞中显示腺病毒 dsrna 和 prr。

Transcript

传统的双链RNA检测检测通常不够灵敏,无法检测在负感RNA病毒感染中形成的双链RNA。因此,双链RNA和宿主模式识别受体之间的相互作用对于这些病毒来说基本上仍然难以捉摸。利用该协议,我们能够可视化和描述病毒核蛋白、双链RNA和在单细胞水平上宿主的PRR对负感RNA病毒的相互作用。这是一种多路复用检测,允许在单个细胞中同时染色双链RNA和两个病毒或宿主蛋白靶点。与RNA-FISH测定不同,该技术与RNA序列无关,通常与蛋白质靶点抗体检测相容。在感染前24小时开始,将20万个人类肺上皮 A549细胞播种到12孔板中的聚-D-Lysine涂层玻璃盖上,并在37孔生长

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