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    • 10. 发明申请
    • EF-24-FACTOR VII CONJUGATES
    • WO2005025623A3
    • 2005-03-24
    • PCT/US2004/024490
    • 2004-07-28
    • EMORY UNIVERSITYSHOJI, MamoruSNYDER, James, P.LIOTTA, Dennis, C.SUN, Aiming
    • SHOJI, MamoruSNYDER, James, P.LIOTTA, Dennis, C.SUN, Aiming
    • A61K47/48
    • Compositions and methods are provided for delivering cytotoxic compounds, such as natural curcumoids and synthetic curcumin analogs, specifically to cancer cells and to blood vessels that nourish solid tumors. The compositions include a cytotoxic drug tethered to a protein, such as factor VIIa, which can bind with high affinity to a receptor, such as tissue factor, expressed on the surface of cancer cells and vascular endothelial cells within the tumor microenvironment. Upon binding, the drug-protein-receptor complex is endocytosed and the drug is subsequently liberated inside the target cell via proteolytic cleavage. The compositions and methods may increase the efficacy of the cytotoxic agets and decrease their side effects by delivering the agents to specific target cells, such as cancer cells, vascular endothelial cells in a tumor, and metastatic foci anywhere in the body, providing the target cells express surface bound tissue factor. Additionally, methods of synthesis of cytotoxic compound-protein conjugates are provided, for example, curcuminoid-tether-linker-factor VIIa composition, as well as pharmaceutically acceptable compositions and methods for delivering a therapeutically-effective amount of a cytotoxic compound-protein conjugate together with one or more pharmaceutically acceptable carriers (additives) and/or diluents to an animal or human patient.