申请人:Kyowa Hakko Kirin Co., Ltd.
公开号:US10342758B2
公开(公告)日:2019-07-09
Provided are a cationic lipid which facilitates the introduction of a nucleic acid into, for example, a cell or the like; a composition containing the cationic lipid and a nucleic acid; a method for introducing a nucleic acid into a cell by using a composition containing the cationic lipid and the nucleic acid; and the like. The cationic lipid is, for example, a cationic lipid represented by formula (A): formula (A):
(wherein R1 is alkenyl or the like, R2 is alkenyl or the like, R3 and R4 are each alkyl, or are combined together to form alkylene, or R3 and R5 are combined together to form alkylene, R5 is a hydrogen atom or the like, or is combined together with R3 to form alkylene, X1 is alkylene, and X2 is a single bond or alkylene).
本文提供了一种有助于将核酸导入细胞等的阳离子脂质;一种含有该阳离子脂质和核酸的组合物;一种通过使用含有该阳离子脂质和核酸的组合物将核酸导入细胞的方法等。例如,阳离子脂质是由式(A)表示的阳离子脂质: 式(A):
(其中 R1 是烯基或类似物,R2 是烯基或类似物,R3 和 R4 各自是烷基,或结合在一起形成亚烷基,或 R3 和 R5 结合在一起形成亚烷基,R5 是氢原子或类似物,或与 R3 结合在一起形成亚烷基,X1 是亚烷基,X2 是单键或亚烷基)。