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    • 7. 发明申请
    • HUNTER-KILLER PEPTIDES AND METHODS OF USE
    • 杀戮剂及其使用方法
    • WO2005094383A2
    • 2005-10-13
    • PCT/US2005/010951
    • 2005-03-31
    • BUCK INSTITUTEBREDESEN, Dale, E.ELLERBY, MichaelELLERBY, Lisa
    • BREDESEN, Dale, E.ELLERBY, MichaelELLERBY, Lisa
    • A61K38/16A61K47/64
    • The present invention provides homing conjugates containing an antimicrobial peptide and a tumor homing molecule, wherein the tumor homing molecule comprises a dimer of two endothelium-homing peptide monomers, wherein the conjugate homes to and is internalized by a tumor cell type or tissue comprising angiogenic endothelial cells and exhibits high toxicity thereto, wherein the high toxicity is due to disruption of mitochondrial membranes, and wherein the antimicrobial peptide has low mammalian cell toxicity when not linked to said tumor homing molecule. The present invention is based, in part, on the discovery that dimerization of endothelium-homing peptide monomer confers greatly increased cytotoxic activity on the conjugate. Based on this discovery, the invention further provides methods of inducing selective toxicity in vivo in an angiogenic endothelial tissue or cell type as well as methods of treating an individual having cancer by administering an effective amount of a homing conjugate of the invention also are provided.
    • 本发明提供了含有抗微生物肽和肿瘤归巢分子的归巢缀合物,其中所述肿瘤归巢分子包含两个内皮归巢肽单体的二聚体,其中所述缀合物归因于包含血管生成内皮的肿瘤细胞类型或组织 细胞并且对其呈现高毒性,其中高毒性是由于线粒体膜的破坏,并且其中当不与所述肿瘤归巢分子连接时,所述抗微生物肽具有低的哺乳动物细胞毒性。 本发明部分地基于发现内皮归巢肽单体的二聚化大大提高了缀合物的细胞毒活性。 基于该发现,本发明还提供了在血管生成内皮组织或细胞类型中诱导体内选择性毒性的方法以及通过施用有效量的本发明的归巢缀合物治疗患有癌症的个体的方法。
    • 8. 发明申请
    • MODULATORS OF PARAPTOSIS AND RELATED METHODS
    • PARAPTOSIS的调制器和相关方法
    • WO2003070971A2
    • 2003-08-28
    • PCT/US2003/005221
    • 2003-02-19
    • BUCK INSTITUTESPERANDIO, SabinaCASTRO-OBREGON, SusanaBREDESEN, Dale, E.
    • SPERANDIO, SabinaCASTRO-OBREGON, SusanaBREDESEN, Dale, E.
    • C12Q
    • G01N33/5058A61K31/00A61K31/198A61K31/40A61K31/421A61K31/739A61K38/046A61K38/1709A61K38/191A61K38/4873A61K45/06G01N33/5008G01N33/5041G01N2510/00
    • The invention is directed to a method of identifying a compound that modulates SP-induced paraptosis by (a) contacting a population of cells with an effective amount of substance P to induce SP-induced paraptosis; (b) contacting a first sub-population of the cells with a test-compound, and a second sub-population of the cells with a control-compound; and (c) comparing the amount of cell death between the first and second sub-populations of cells, where a difference in he amount of cell death between the first and second sub-populations of cells indicates that the test-compound is a compound that modulates SP-induced paraptosis. The invention is also directed to a method of modulating paraptotic cell death in a cell by contacting the cell with an effective amount of a compound selected from the group consisting of ceramide, Tumor Necrosis Factor (TNF), caspase-7, caspase-8, α-amino-3-hydroxy-5-methyl-4-isoxazole proprionic acid (AMPA), kainic acid and glutamic acid, wherein the effective amount of the compound induces paraptotic death of the cell.
    • 本发明涉及一种鉴定通过使一群细胞与有效量的物质P接触来诱导SP诱导的parapptosis b调节SP诱导的parapptosis的化合物的方法,以使细胞的第一个亚群与测试接触 化合物和具有对照化合物的细胞的第二亚群,c比较细胞的第一和第二亚群之间的细胞死亡量,其中第一和第二细胞死亡量之间的差异 细胞亚群表明测试化合物是调节SP诱导的parapptosis的化合物。 本发明还涉及一种通过使细胞与有效量的选自神经酰胺,肿瘤坏死因子TNF,半胱天冬酶-7,半胱天冬酶-8,α-淀粉样蛋白的化合物接触来调节细胞中的旁分泌细胞死亡的方法。 氨基-3-羟基-5-甲基-4-异恶唑丙酸AMPA,红藻氨酸和谷氨酸,其中该化合物的有效量诱导细胞的副作用死亡。