文献类型: 外文期刊
第一作者: Wang, Wei
作者: Wang, Wei;Zhang, Zai-Ping;Tian, Jin;Xiao, Zhi-Guang;Meng, Qing-Wen
作者机构:
关键词: ALV-J;env;miRNA;RNA interference
期刊名称:VIRUS GENES ( 影响因子:2.332; 五年影响因子:2.0 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: No effective vaccine has been developed against the subgroup J avian leukosis virus (ALV-J). The genetic diversity of ALV-J might be related to the env gene, therefore, we selected conserved sequences of the env gene and designed interference sequence. In this study, microRNAs (miRNAs) were designed and synthesized, corresponding to conserved regions of the env gene. These miRNAs were cloned into the linearized eukaryotic expression vector. The recombinant plasmids were transfected into DF-1 cells. After transfection, the cells were inoculated with ALV-J. In reporter assays, the transfection efficiency is 80 % by indirect immunofluorescence (IFA). Expression of the virus envelope glycoprotein was measured by IFA and western blotting assays. The relative expression of env gene was determined using quantitative PCR. Our results show that the mi-env 231 and mi-env 1384 could effectively suppress the replication of ALV-J with an efficiency of 68.7-75.2 %. These data suggest that the miRNAs targeting the env can inhibit replication of ALV-J efficiently. This finding provides evidence that miRNAs could be used as a potential tool against ALV infection.
分类号: R37
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