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    • 6. 发明申请
    • TRANSGENIC CELLS TRANSFECTED WITH PITUITARY TUMOR TRANSFORMING GENE (PTTG) EXPRESSION VECTORS AND USES THEREFOR
    • 转染垂体肿瘤转化基因(PTTG)表达载体的转基因细胞及其应用
    • WO2004033634A2
    • 2004-04-22
    • PCT/US2003/031393
    • 2003-10-03
    • CEDARS-SINAI MEDICAL CENTER
    • HEANEY, Anthony, P.MELMED, Shlomo
    • C12N
    • C07K14/82A01K2217/05A61K38/00A61K48/00C07K14/47C12N5/0617C12N2501/998C12N2510/00
    • Disclosed are transgenic cells trasfected with pituitary tumor transfer gene (PTTG)-­containing expression vectors and uses therefor. The nucleic acids may be operatively linked to a vector, optionally provided with control and expression sequences and/or being carried by a host cell. In one embodiment, the host cell is a thyroid stimulating hormone (TSH)-sensitive cell transfected with an expression vector comprising a DNA segment encoding functional PTTG, wherein the cell overexpresses PTTG in response to TSH. Also disclosed is an in vitro cell model for the study of genetic regulation mediated by PTTG in a mammalian cell wherein PTTG expression can be modulated by exposing the cell to TSH or estrogen. In one embodiment, the cell model is used to study the effect of PTTG expression on NIS expression or to modulate NIS expression.
    • 公开了用垂体肿瘤转移基因(PTTG) - &shy1转染的含有表达载体的转基因细胞及其用途。 核酸可以可操作地连接至载体,任选提供对照和表达序列和/或由宿主细胞携带。 在一个实施方案中,宿主细胞是用包含编码功能性PTTG的DNA区段的表达载体转染的促甲状腺激素(TSH)敏感性细胞,其中所述细胞响应于TSH而过度表达PTTG。 还公开了在哺乳动物细胞中研究由PTTG介导的遗传调节的体外细胞模型,其中PTTG表达可以通过将细胞暴露于TSH或雌激素来调节。 在一个实施方案中,细胞模型用于研究PTTG表达对NIS表达的影响或调节NIS表达。