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    • 2. 发明申请
    • METHODS OF LABELING TRANSIENTLY EXPRESSED PROTEINS IN LARGE-SCALE EUKARYOTIC CELL CULTURES
    • 在大型真核细胞培养基中标记瞬时表达的蛋白质的方法
    • WO2008060307A2
    • 2008-05-22
    • PCT/US2007/000336
    • 2007-01-09
    • WYETHZHONG, XiaotianKRIZ, Ronald, William
    • ZHONG, XiaotianKRIZ, Ronald, William
    • C07K1/13C12N9/12C12P21/02
    • The present invention is based on observations that transiently transfecting large- scale eukaryotic cell cultures with a polynucleotide encoding a protein of interest can be used to rapidly produce the large quantities of labeled proteins required for various biochemical techniques such as spectroscopy, microscopy, and crystallography, and applications including protein structure determination, protein tracing and/or localization, diagnostic and therapeutic applications, and affinity experiments. Thus, the present invention provides methods for rapidly producing large quantities of labeled proteins by using transient transfection of large-scale eukaryotic cell cultures, which are then grown in a chemically defined labeling medium that includes labeled amino acids. The present invention is also directed to methods of using the labeled proteins produced by the novel labeling methods for use in various techniques.
    • 本发明基于以下观察结果,即用编码感兴趣蛋白质的多核苷酸瞬时转染大规模真核细胞培养物可用于快速产生各种生物化学技术所需的大量标记蛋白质 如光谱学,显微镜和晶体学,以及包括蛋白质结构测定,蛋白质追踪和/或定位,诊断和治疗应用以及亲和力实验在内的应用。 因此,本发明提供了通过使用大规模真核细胞培养物的瞬时转染来快速产生大量标记蛋白质的方法,所述大规模真核细胞培养物然后在包含标记的氨基酸的化学确定的标记介质中生长。 本发明还涉及使用由新颖标记方法产生的标记蛋白质用于各种技术的方法。
    • 3. 发明申请
    • MAMMALIAN EXPRESSION SYSTEMS
    • MAMMALIAN表达系统
    • WO2006113861A2
    • 2006-10-26
    • PCT/US2006014859
    • 2006-04-20
    • WYETH CORPZHONG XIAOTIANKRIZ RONALDSTAHL MARK
    • ZHONG XIAOTIANKRIZ RONALDSTAHL MARK
    • C12N5/06C07K14/71C08B37/10
    • C12P21/02
    • The present invention features mammalian expression systems with improved production yields, and method of using these systems to produce desired proteins. In one embodiment, the expression systems of the present invention comprise genetically-engineered mammalian host cells cultured in a medium that contains an effective amount of heparin or heparin-like molecules. The presence of heparin or heparin-like molecules significantly increases protein production by the cultured cells. The present invention also features the use of constitutively-active components of FGFR-I -mediated signal transduction pathways to improve protein production by cultured mammalian cells. Co-expression of such a component with a protein of interest markedly increases the production yield of the protein of interest.
    • 本发明具有提高生产产量的哺乳动物表达系统以及使用这些系统产生所需蛋白质的方法。 在一个实施方案中,本发明的表达系统包含在含有有效量的肝素或类肝素分子的培养基中培养的遗传工程化的哺乳动物宿主细胞。 肝素或肝素样分子的存在显着增加培养细胞的蛋白质产生。 本发明还特征在于使用FGFR-1介导的信号转导途径的组成型活性成分来改善培养的哺乳动物细胞的蛋白质产生。 这种与感兴趣的蛋白质的组分的共表达显着增加了目的蛋白质的产量。
    • 5. 发明申请
    • METHODS OF LABELING TRANSIENTLY EXPRESSED PROTEINS IN LARGE-SCALE EUKARYOTIC CELL CULTURES
    • 在大规模的真核细胞培养物中标记瞬时表达蛋白的方法
    • WO2008060307A3
    • 2008-10-09
    • PCT/US2007000336
    • 2007-01-09
    • WYETH CORPZHONG XIAOTIANKRIZ RONALD WILLIAM
    • ZHONG XIAOTIANKRIZ RONALD WILLIAM
    • C07K1/13C12N9/12C12P21/02
    • C07K1/13C12N9/12C12P21/02
    • The present invention is based on observations that transiently transfecting large- scale eukaryotic cell cultures with a polynucleotide encoding a protein of interest can be used to rapidly produce the large quantities of labeled proteins required for various biochemical techniques such as spectroscopy, microscopy, and crystallography, and applications including protein structure determination, protein tracing and/or localization, diagnostic and therapeutic applications, and affinity experiments. Thus, the present invention provides methods for rapidly producing large quantities of labeled proteins by using transient transfection of large-scale eukaryotic cell cultures, which are then grown in a chemically defined labeling medium that includes labeled amino acids. The present invention is also directed to methods of using the labeled proteins produced by the novel labeling methods for use in various techniques.
    • 本发明基于以编码目的蛋白质的多核苷酸瞬时转染大规模真核细胞培养物的观察结果,可用于快速产生各种生物化学技术所需的大量标记蛋白质,如光谱学,显微镜和晶体学, 以及包括蛋白质结构测定,蛋白质追踪和/或定位,诊断和治疗应用以及亲和力实验的应用。 因此,本发明提供了通过使用大规模真核细胞培养物的瞬时转染来快速产生大量标记的蛋白质的方法,然后将其在包括标记的氨基酸的化学学定义的标记培养基中生长。 本发明还涉及使用通过新型标记方法产生的标记蛋白用于各种技术的方法。