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    • 1. 发明申请
    • Regulation of polynucleic acid activity and expression
    • 调节多核酸活性和表达
    • US20040266708A1
    • 2004-12-30
    • US10644288
    • 2003-08-20
    • Paul Diamond
    • A01K067/00C12N015/85A61K048/00
    • C12N15/113C12N2310/111C12N2310/14C12N2330/30
    • The invention provides methods and systems for controlling the expression and, in general, the cellular activity of preselected polynucleic acid molecules. The invention also provides methods and systems for genetically modifying cells and multi-cellular organisms to impart resistance to viruses. The invention further provides methods and systems for genetically modifying cells and multi-cellular organisms so that they diagnostically report viral infection. One aspect of the invention involves rendering target polynucleic nucleic acid molecules as functional templates for at least one template-directed polynucleic acid polymerase so that utilization of the polynucleic acid molecule as a template by the polymerase modulates the activity of the targeted polynucleic acid molecule. Other aspects of the invention of the invention involve rendering selected polynucleic nucleic acid molecules as targets for RNA silencing, whether or not the silencing is polymerase-mediated.
    • 本发明提供了用于控制预选的多核酸分子的表达和一般的细胞活性的方法和系统。 本发明还提供用于遗传修饰细胞和多细胞生物以赋予对病毒抗性的方法和系统。 本发明还提供用于遗传修饰细胞和多细胞生物体的方法和系统,使得它们诊断性地报告病毒感染。 本发明的一个方面涉及使目标多核核酸分子作为至少一个模板指导的多核酸聚合酶的功能模板,使得通过聚合酶利用聚核酸分子作为模板来调节靶向多核酸分子的活性。 本发明的其它方面涉及将选择的多核核酸分子作为RNA沉默的靶标,无论沉默是否是聚合酶介导的。
    • 6. 发明申请
    • Method for GPCR assay with a coexpressed Galpha protein
    • 用共表达的Galpha蛋白进行GPCR测定的方法
    • US20040253675A1
    • 2004-12-16
    • US10774613
    • 2004-02-10
    • Hitachi, Ltd.
    • Tomoko TakeshitaJun Otomo
    • C12P021/02C12N005/06C07K014/705C12N015/85
    • C07K14/705G01N33/76
    • This invention provides a method for assaying activities of signal transduction that enables identification of a ligand with a single assay method, thereby simplifying and accelerating the assay method for identifying a ligand of a GPCR with unknown functions. In this method, RNA encoding a GPCR and RNA encoding a chimeric Gqnull subunit constituted by a portion of a G11 or Gq subunit and a portion of a G14, G15, or G16 subunit are transfected together to an oocyte removed from a Xenopus and selected by a conventional technique. After transfection of the RNAs, a ligand candidate substance is added to the oocyte that was cultured for a given period of time, and the activity is then assayed.
    • 本发明提供了一种用于测定信号转导活性的方法,该方法能够利用单一测定方法鉴定配体,从而简化并加速鉴定具有未知功能的GPCR配体的测定方法。 在该方法中,编码由G11或Gq亚基部分和G14,G15或G16亚基的一部分构成的嵌合Gqalpha亚基的编码GPCR和RNA的RNA一起转染到从非洲爪蟾中去除的卵母细胞,并由 常规技术。 转染RNA后,将一种配体候选物质加入培养一定时间的卵母细胞,然后测定其活性。