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RNA interference inhibits hepatitis E virus mRNA accumulation and protein synthesis in vitro.


ABSTRACT: Hepatitis E virus (HEV) is a zoonotic pathogen to which several species, including human beings, pigs and rodents, are reported to be susceptible. To date, vaccines developed against HEV still need to be improved and a structural gene (ORF2), which encodes a capsid protein with high sequence conservation found across HEV genotypes, is a potential candidate. To exploit the possibility of using RNA interference (RNAi) as a strategy against HEV infection, four small interference RNA (siRNA) duplex targeting ORF2 gene were constructed. A challenge against HEV infection by RNAi was performed in A549 cells. Real-Time quantitative polymerase chain reaction (Real-Time qPCR) and Western blot assay demonstrated that four HEV specific siRNAs (si-ORF2-1, si-ORF2-2, si-ORF2-3 and si-ORF2-4) were capable of protecting cells against HEV infection with very high specificity and efficiency. The results suggest that RNAi is a potent anti-HEV infection prophylaxis strategy.

SUBMITTER: Huang F 

PROVIDER: S-EPMC7117326 | biostudies-literature | 2010 May

REPOSITORIES: biostudies-literature

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RNA interference inhibits hepatitis E virus mRNA accumulation and protein synthesis in vitro.

Huang Fen F   Zhou Junfang J   Yang Zhibiao Z   Cui Li L   Zhang Wen W   Yuan Congli C   Yang Shixing S   Zhu Jianguo J   Hua Xiuguo X  

Veterinary microbiology 20091106 3-4


Hepatitis E virus (HEV) is a zoonotic pathogen to which several species, including human beings, pigs and rodents, are reported to be susceptible. To date, vaccines developed against HEV still need to be improved and a structural gene (ORF2), which encodes a capsid protein with high sequence conservation found across HEV genotypes, is a potential candidate. To exploit the possibility of using RNA interference (RNAi) as a strategy against HEV infection, four small interference RNA (siRNA) duplex  ...[more]

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