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    • 2. 发明申请
    • ENGINEERED INFLUENZA ANTIGENIC POLYPEPTIDES AND IMMUNOGENIC COMPOSITIONS THEREOF
    • 工程流感抗原多肽及其免疫原性组合物
    • WO2017210599A1
    • 2017-12-07
    • PCT/US2017/035747
    • 2017-06-02
    • SANOFI PASTEUR INC.
    • STRUGNELL, TodOLOO, Eliud
    • C07K14/005C07K14/11A61K39/145
    • The present invention provides, among other things, a novel and improved method for generating "mosaic" influenza antigenic polypeptides including hemagglutinin (HA) and neuraminidase (NA) polypeptides based on unique combination of epitope patterns that maximize exposure to epitopes present across multiple HA or NA sequences and therefore improved influenza strain coverage. In particular, the present invention provides engineered influenza B hemagglutinin (HA) polypeptides that are comprised of novel combinations of protective epitopes and antigenic regions from multiple influenza B viral strains. Such engineered HA polypeptides have improved properties over HA polypeptides developed through conventional approaches that rely on consensus alignments of viral sequences.
    • 除其他之外,本发明提供了一种新颖且改进的用于生成“马赛克”图像的方法。 基于表位模式的独特组合的流感抗原性多肽,包括血凝素(HA)和神经氨酸酶(NA)多肽,所述表位模式最大限度地暴露于跨多个HA或NA序列存在的表位,并因此改善流感病毒株覆盖度。 具体而言,本发明提供工程化的B型流感血球凝集素(HA)多肽,其由包含来自多个B型流感病毒株的保护性表位和抗原性区域的新组合组成。 这种工程化的HA多肽相对于通过依赖于病毒序列的共有序列比对的常规方法开发的HA多肽具有改进的性质。