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    • 1. 发明申请
    • LIVE ATTENUATED VACCINES FOR PNEUMOVIRUSES AND RELATED METHODS AND MATERIALS
    • 用于肺炎链球菌的灭活疫苗及相关方法和材料
    • WO2016134378A1
    • 2016-08-25
    • PCT/US2016/018975
    • 2016-02-22
    • RESEARCH INSTITUTE AT NATIONWIDE CHILDREN'S HOSPITALOHIO STATE INNOVATION FOUNDATION
    • PEEPLES, Mark E.LI, JianrongCAI, HuiWANG, Rongzhang
    • C12N7/04
    • C12N7/045A61K39/12A61K2039/5254C07K14/005C07K2319/23C12N7/00C12N15/86C12N2760/18522C12N2760/18534C12N2760/18562
    • Described herein are mutant pneumoviruses comprising a nucleotide sequence which encodes a mutated zinc binding motif in an M2-1 protein of the pneumovirus, wherein the zinc binding motif is mutated relative to wild-type pneumovirus. The mutant pneumoviruses described herein grow to high titer in cell culture, are genetically stable, are attenuated in vitro and in vivo, and are highly immunogenic. Also described herein are vaccines and vaccine compositions comprising the live attenuated mutant pneumoviruses. Vaccine compositions can further comprise a pharmaceutically acceptable carrier, vehicle, excipient, and/or adjuvant. Methods for inducing a protective immune response in a subject against a pneumovirus infection are also described and disclosed. The vaccine compositions and methods described herein can be used to prevent metapneumovirus and respiratory syncytial virus infection in humans, respiratory syncytial virus infection in cattle, avian metapneumovirus infection in various avian species, and pneumonia virus of mice in rodents.
    • 本文描述的是突变型肺炎链球菌,其包含编码肺病毒M2-1蛋白中突变的锌结合基序的核苷酸序列,其中锌结合基序相对于野生型肺病毒突变。 本文描述的突变型肺病毒在细胞培养物中生长高滴度,在遗传上是稳定的,在体外和体内减毒,并且是高度免疫原性的。 本文还描述了包含活减毒突变型肺炎链球菌的疫苗和疫苗组合物。 疫苗组合物还可以包含药学上可接受的载体,媒介物,赋形剂和/或佐剂。 还描述和公开了在受试者中针对肺病毒感染诱导保护性免疫应答的方法。 本文所述的疫苗组合物和方法可用于预防人类中的偏肺病毒和呼吸道合胞病毒感染,牛中的呼吸道合胞病毒感染,各种鸟类中的禽类间质肺病毒感染以及啮齿动物中的小鼠肺炎病毒。