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    • 9. 发明申请
    • Roles for Nkx3.1 in prostate development and cancer
    • 前列腺发育和癌症中Nkx3.1的作用
    • US20020046409A1
    • 2002-04-18
    • US09756151
    • 2001-01-06
    • University of Medicine & Dentistry of New Jersey
    • Cory Abate-ShenMichael M. ShenThomas Gridley
    • A01K067/027
    • C07K14/4702A01K67/0271A01K67/0276A01K2217/075A01K2227/105A01K2267/0331C12N15/8509
    • The present invention pertains to a mutant mouse comprising a Nkx3.1 gene having a disruption in at least one exon. The disruption has been introduced into the genome of the mouse by homologous recombination in an embryonic stem cell. The disruption provides a null mutation which results in no expression of Nkx3.1 by the mouse and in defects in prostate ductal morphogenesis and secretory protein production in the mouse. The mouse displays prostatic epithelial hyperplasia and dysplasia. The present invention pertains to a method for screening for a drug, or other therapeutic intervention, useful for preventing or treating prostate cancer. The method comprises administering a drug, or other therapeutic intervention, to a mutant mouse predisposed towards prostate cancer; diagnosing the mutant mouse for prostate a cancer precursor; and comparing the mutant mouse with a control mutant mouse not treated with the drug, or other therapeutic intervention. The presence of a prostate cancer precursor in the mutant mouse in an amount lower than the amount in the control mouse is indicative of a drug, or other therapeutic intervention, useful for preventing or treating prostate cancer.
    • 本发明涉及包含至少一个外显子中断的Nkx3.1基因的突变小鼠。 通过胚胎干细胞中的同源重组将破坏物引入小鼠的基因组中。 破坏提供无效突变,其导致小鼠没有表达Nkx3.1,并且导致小鼠中前列腺导管形态发生和分泌蛋白产生的缺陷。 小鼠显示前列腺上皮增生和发育不良。 本发明涉及用于预防或治疗前列腺癌的药物或其它治疗性干预的方法。 该方法包括向倾向于前列腺癌的突变小鼠施用药物或其它治疗干预; 诊断前列腺癌突变小鼠癌症前体; 并将突变小鼠与未用药物治疗的对照突变小鼠或其他治疗干预进行比较。 突变小鼠中前列腺癌前体的存在量低于对照小鼠中的量,这表明可用于预防或治疗前列腺癌的药物或其它治疗性干预。