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    • 10. 发明授权
    • Expressed ligand—vascular intercellular signalling molecule
    • 表达配体 - 血管细胞间信号分子
    • US06825008B2
    • 2004-11-30
    • US10225060
    • 2002-08-21
    • Samuel DavisGeorge D. Yancopoulos
    • Samuel DavisGeorge D. Yancopoulos
    • G12P2106
    • C12N15/8509A01K2207/15A01K2217/00A01K2217/05A01K2217/075A01K2227/105A01K2227/30A01K2267/01A01K2267/03A01K2267/0331A01K2267/0375A01K2267/0381A61K38/00C07K14/515C07K14/71C07K2319/00C07K2319/02
    • The present invention provides for a modified TIE-2 ligand which has been altered by addition, deletion or substitution of one or more amino acids, or by way of tagging, with for example, the Fc portion of human IgG-1, but which retains its ability to bind the TIE-2 receptor. The invention further provides for a modified TIE-2 ligand which is a chimeric TIE-2 ligand comprising at least a portion of a first TIE-2 ligand and a portion of a second TIE-2 ligand which is different from the first. In a specific embodiment, the invention further provides for a chimeric TIE ligand comprising at least a portion of TIE-2 Ligand-1 and a portion of TIE-2 Ligand-2. In addition the present invention provides for isolated nucleic acid molecule encoding the modified TIE-2 ligands described. The invention also provides for therapeutic compositions as well as a method of blocking blood vessel growth, a method of promoting neovascularization, a method of promoting the growth or differentiation of a cell expressing the TIE receptor, a method of blocking the growth or differentiation of a cell expressing the TIE receptor and a method of attenuating or preventing tumor growth in a human.
    • 本发明提供了修饰的TIE-2配体,其通过添加,缺失或取代一个或多个氨基酸,或通过标记,例如,人IgG-1的Fc部分,但保留 其结合TIE-2受体的能力。 本发明还提供了修饰的TIE-2配体,其是包含与第一TIE-2配体不同的第一TIE-2配体和第二TIE-2配体的至少一部分的嵌合TIE-2配体。 在一个具体实施方案中,本发明还提供了包含TIE-2配体-1的至少一部分和TIE-2配体-2的一部分的嵌合TIE配体。 此外,本发明提供了编码所述修饰的TIE-2配体的分离的核酸分子。 本发明还提供治疗组合物以及阻断血管生长的方法,促进新生血管形成的方法,促进表达TIE受体的细胞的生长或分化的方法,阻止生长或分化的方法 表达TIE受体的细胞和减弱或预防人类肿瘤生长的方法。