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    • 5. 发明申请
    • Methods and Systems for Searching for Regulators of the Fer Protein and for Monitoring the Effects of the Fer Protein
    • 搜索Fer蛋白调节因子和监测Fer蛋白影响的方法和系统
    • US20100151452A1
    • 2010-06-17
    • US12225238
    • 2007-03-20
    • Uri NirOrel PasderSally ShpunginEtai Yaffe
    • Uri NirOrel PasderSally ShpunginEtai Yaffe
    • C12Q1/68
    • C12Y207/10002C12N9/1205C12N15/1137C12N2310/14
    • A method for modulating a Fer mediated pathway in a cell, for monitoring the effect of a Fer protein in a cell, for altering and inhibiting one or more effects of a Fer protein in a cell is provided. The method includes modulating, monitoring, altering or inhibiting any one or more or of the association of the Fer protein to PP1; the phosphorylation of PP1, the phosphatase activity of PP1, and the tumor suppressive activity of the retinoblastoma protein (RB). In a preferred embodiment, modulating a Fer mediated pathway in a cell, monitoring the effect of a Fer protein in a cell, for altering and inhibiting one or more effects of a Fer protein in a cell involves administrating to a cell a compound having a molecular weight of up to 1000 Dalton capable of modulating, altering or inhibiting an effect of Fer. Further provided is a method for determining whether a substance is capable of altering or inhibiting an effect of a Fer protein in a cell. The method includes presenting the substance to a first cell expressing an exogenous Fer gene or Fer cDNA; and measuring a rate of proliferation of the cell. A significant difference between the growth rate of the first cell and the growth rate of a second cell not expressing an exogenous Fer gene or Fer cDNA indicates that the substance is capable of altering a fer mediated pathway.
    • 提供了调节细胞中Fer介导途径的方法,用于监测细胞中Fer蛋白的作用,用于改变和抑制细胞中Fer蛋白的一种或多种作用。 该方法包括调节,监测,改变或抑制Fer蛋白与PP1的任何一种或多种或结合; PP1的磷酸化,PP1的磷酸酶活性以及视网膜母细胞瘤蛋白(RB)的肿瘤抑制活性。 在优选的实施方案中,调节细胞中Fer介导的途径,监测Fer蛋白在细胞中的作用,用于改变和抑制细胞中Fer蛋白的一种或多种作用涉及向细胞施用具有分子 重量高达1000道尔顿能够调节,改变或抑制Fer的作用。 还提供了一种用于确定物质是否能够改变或抑制细胞中Fer蛋白的作用的方法。 该方法包括将物质呈递给表达外源性Fer基因或Fer cDNA的第一个细胞; 并测量细胞增殖的速率。 第一细胞的生长速率和不表达外源性Fer基因或Fer cDNA的第二细胞的生长速率之间的显着差异表明该物质能够改变fer介导的途径。