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公开(公告)号:US20140302077A1
公开(公告)日:2014-10-09
申请号:US14241165
申请日:2012-08-28
CPC分类号: C12Q1/701 , A61K39/12 , A61K39/145 , A61K2039/5254 , C07K14/005 , C12N7/00 , C12N2760/16122 , C12N2760/16134 , C12N2760/16152 , C12N2760/16162
摘要: Provided are live attenuated influenza A and B viruses as well as a composition, influenza A and B genes, a vector with a respective gene, a host cell comprising such vector, a method for preparing a live attenuated influenza A or B virus and a use of the influenza viruses as a vaccine. An influenza A virus contains a NP-gene, which includes a silent mutation at one or more positions selected from nucleotide 1467, nucleotide 1473, nucleotide 1500, nucleotide 1503, nucleotide 1512, nucleotide 1515, nucleotide 1518, nucleotide 1521, and nucleotide 1524 of SEQ ID No: 1. A PA gene includes a silent mutation at one or more positions corresponding to a position selected from nucleotides 2100 and 2103 of SEQ ID No: 3.
摘要翻译: 提供减毒活A和B病毒以及组合物,A型和B型基因,具有各自基因的载体,包含该载体的宿主细胞,制备活减毒甲型或乙型流感病毒的方法和使用 的流感病毒作为疫苗。 甲型流感病毒含有NP基因,其包括在选自核苷酸1467,核苷酸1473,核苷酸1500,核苷酸1503,核苷酸1512,核苷酸1515,核苷酸1518,核苷酸1521和核苷酸1524中的一个或多个位置的沉默突变 SEQ ID No:1.PA基因包括在对应于选自SEQ ID No:3的核苷酸2100和2103的位置的一个或多个位置的沉默突变。