摘要:
The present invention provides a block copolymer applicable as a drug carrier capable of forming a stable complex with a nucleic acid and releasing the nucleic acid in cells. The block copolymer is represented by the following formula (1) or (2)
where: R 1 and R 2 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 12 carbon atoms which may have a substituent; A represents a hydrophilic polymer chain; L 1 and L 3 each represent a linking group; B represents a cation-containing group; R 3 represents a side chain of any appropriate amino acid; z represents an integer of 5 to 500; x represents an integer of 40% or more of z; y represents an integer and may represent 0; z-x-y represents an integer and may represent 0; p represents an integer of 1 to 10; and q represents an integer of 1 to 10.
摘要翻译:本发明提供了可用作能够与核酸形成稳定的复合物并在细胞中释放核酸的药物载体的嵌段共聚物。 嵌段共聚物由下式(1)或(2)表示,其中:R 1和R 2各自独立地表示氢原子或可具有取代基的碳原子数1〜12的直链或支链烷基; A表示亲水性聚合物链; L 1和L 3各自表示连接基团; B表示含阳离子基团; R 3表示任何合适的氨基酸的侧链; z表示5〜500的整数, x表示z的40%以上的整数。 y表示整数,可以表示0; z-x-y表示整数,可以表示0; p表示1〜10的整数, q表示1〜10的整数。
摘要:
The present invention provides a vesicle, a conjugate, a composition comprising the vesicle or the conjugate, for use in delivering a drug to the brain, and a method for administering the same. The composition of the present invention is a composition for administration to a subject according to a dosing regimen, comprising a carrier for drug delivery, wherein the dosing regimen comprises administering the composition to a subject who has been fasted or caused to have hypoglycemia and inducing an increase in blood glucose level in the subject, and the carrier is modified at the outer surface thereof with a GLUT1 ligand.