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JoVE Journal
Immunology and Infection
鉴定甲型流感病毒感染期间切割蛋白质的半胱天冬酶及其基序
鉴定甲型流感病毒感染期间切割蛋白质的半胱天冬酶及其基序
JoVE Journal
Immunology and Infection
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JoVE Journal Immunology and Infection
Identifying Caspases and their Motifs that Cleave Proteins During Influenza A Virus Infection

鉴定甲型流感病毒感染期间切割蛋白质的半胱天冬酶及其基序

Full Text
1,859 Views
08:16 min
July 21, 2022

DOI: 10.3791/64189-v

Matloob Husain1

1Department of Microbiology and Immunology,University of Otago

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

甲型流感病毒(IAV)感染激活半胱天冬酶,切割宿主和病毒蛋白,而宿主和病毒蛋白又具有促病毒和抗病毒功能。通过使用抑制剂、RNA干扰、定点诱变以及蛋白质印迹和RT-qPCR技术,鉴定了受感染哺乳动物细胞中切割宿主皮质肌动蛋白和组蛋白脱乙酰酶的半胱天冬酶。

该方法将有助于确定和确认流感病毒感染细胞中的蛋白质是否经历半胱天冬酶的降解或切割,并鉴定半胱天冬酶切割位点。这种方法只需要基本的分子和细胞生物学实验室设置和研究技能,不需要任何专门的设备或软件培训。这种方法可以适应于实现类似的目标,包括感染其他动物病毒或微生物,以及暴露于外部刺激,如毒素和化学物质。

首先,将MDCK或A549细胞接种在12孔细胞培养板中。将细胞在37摄氏度下在5%二氧化碳气氛下孵育过夜。第二天,从细胞中取出旧培养基,并用一毫升无血清MEM洗涤每个孔中的细胞两次。

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