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    • 4. 发明授权
    • Lipids for transfection of Eukaryotic cells
    • 用于转染真核细胞的脂质
    • US08759499B2
    • 2014-06-24
    • US13073972
    • 2011-03-28
    • Joel JesseeGulilat Gebeyehu
    • Joel JesseeGulilat Gebeyehu
    • C07D487/00A61K48/00A61K51/00A61K36/14A01N63/00
    • C07K14/005A61K47/6455C12N15/87C12N2720/12022
    • Compositions and methods for improved delivery of macromolecules into eukaryotic cells are provided. Fusogenic peptides from fusion proteins of non-enveloped viruses enhance the efficiency of transfection of eukaryotic cells mediated by transfection agents such as cationic lipids, polycationic polymers such as PEI and dendrimers. These fusogenic peptides are used as part of a transfection complex that efficiently delivers a macromolecule, for example, a nucleic acid, into a eukaryotic cell. Novel cationic lipids and compositions of cationic lipids also are provided that may be used for the introduction of macromolecules such as nucleic acids, proteins and peptides into a variety of cells and tissues. The lipids can be used alone, in combination with other lipids and/or in combination with fusogenic peptides to prepare transfection complexes.
    • 提供了将大分子转运到真核细胞中的组合物和方法。 来自非包膜病毒融合蛋白的融合肽提高了转染试剂如阳离子脂质,聚阳离子聚合物如PEI和树枝状大分子介导的真核细胞的转染效率。 这些融合肽用作转染复合物的一部分,其将大分子例如核酸有效地递送到真核细胞中。 还提供了新的阳离子脂质和阳离子脂质的组合物,其可用于将大分子如核酸,蛋白质和肽引入多种细胞和组织中。 脂质可以单独使用,与其他脂质组合使用和/或与融合肽组合使用以制备转染复合物。