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    • 10. 发明公开
    • LIPOPHILIC POLYNUCLEOTIDE CONJUGATES
    • 亲脂性多核苷酸缀合物
    • EP2427472A1
    • 2012-03-14
    • EP10772765.3
    • 2010-05-05
    • Miragen Therapeutics
    • MARSHALL, William S.VAGLE, Kurt
    • C07H21/00
    • C07J41/0055A61K48/0033C07J43/003C07J51/00C12N15/111C12N15/113C12N15/87C12N2310/113C12N2310/315C12N2310/3515
    • Disclosed are lipophilic polynucleotide conjugates including polynucleotide-cholesterol conjugates and methods of delivering therapeutic polynucleotides to a mammalian cell or patient in need of treatment using said conjugates. The disclosure further provides methods of synthesizing the lipophilic polynucleotide conjugates.The conjugates are designed to mimic or target cellular miRNAs. The lipophilic moiety, such as cholesterol or cholesterol derivative, is spaced from the polynucleotide by a substantially linear hydrocarbon group. Due to an absence of significantly polar groups and/or exchangeable protons in the vicinity of the lipophilic moiety, the interaction between the lipophilic moiety and cell membranes is enhanced to provide for efficient entry into cells.
    • 公开了包含多核苷酸 - 胆固醇缀合物的亲脂性多核苷酸缀合物和将治疗性多核苷酸递送至需要使用所述缀合物治疗的哺乳动物细胞或患者的方法。 本公开进一步提供了合成亲脂性多核苷酸缀合物的方法。缀合物被设计为模拟或靶向细胞miRNA。 亲脂性部分,例如胆固醇或胆固醇衍生物,与多核苷酸间隔基本线性的烃基。 由于在亲脂性部分附近缺乏显着的极性基团和/或可交换的质子,亲脂性部分和细胞膜之间的相互作用得到增强以提供有效进入细胞。