METHODS FOR INCREASING PROTEIN POLYETHYLENE GLYCOL (PEG) CONJUGATION
    1.
    发明申请
    METHODS FOR INCREASING PROTEIN POLYETHYLENE GLYCOL (PEG) CONJUGATION 审中-公开
    增加蛋白质聚乙二醇(PEG)结合的方法

    公开(公告)号:US20130252306A1

    公开(公告)日:2013-09-26

    申请号:US13899225

    申请日:2013-05-21

    申请人: AntiCancer, Inc.

    IPC分类号: A61K47/48

    摘要: The present invention relates to highly conjugated proteins and methods for making such proteins. In particular, the present invention relates to methods for linking additional sites to a protein for conjugation with activated polyethylene glycol (PEG) linkers, without denaturing the protein. The invention also relates to highly conjugated proteins with decreased immunogenicity and increased circulating half-life.

    摘要翻译: 本发明涉及高度缀合的蛋白质及其制备方法。 特别地,本发明涉及将附加位点与蛋白质连接以与活化聚乙二醇(PEG)接头共轭的方法,而不使蛋白质变性。 本发明还涉及具有降低的免疫原性和增加的循环半衰期的高度缀合的蛋白质。

    USE OF PLP WITH PEG-rMETase IN VIVO FOR ENHANCED EFFICACY
    2.
    发明申请
    USE OF PLP WITH PEG-rMETase IN VIVO FOR ENHANCED EFFICACY 审中-公开
    在血液中使用PEG-rMETase的PLP用于增强功效

    公开(公告)号:US20140205583A1

    公开(公告)日:2014-07-24

    申请号:US14162655

    申请日:2014-01-23

    申请人: AntiCancer, Inc.

    IPC分类号: A61K38/51 A61K31/675

    摘要: This invention relates to methods of modifying pyridoxal 5′ phosphate (PLP) dependent enzymes to extend the serum half-life of the enzyme, extend the in vivo period of methionine depletion in a host, and decrease the immunogenicity of the enzyme. A preferred PLP-dependent enzyme to be modified is a methioninase, preferably a recombinant methioninase (rMETase). The invention further relates to compositions comprising a modified PLP-dependent enzyme and methods of using the same.

    摘要翻译: 本发明涉及修饰吡哆醛5'磷酸(PLP)依赖性酶的方法以延长酶的血清半衰期,延长宿主中甲硫氨酸消耗的体内周期,并降低酶的免疫原性。 待修饰的优选的PLP依赖性酶是蛋氨酸酶,优选重组蛋氨酸酶(rMETase)。 本发明还涉及包含修饰的PLP依赖性酶的组合物及其使用方法。