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    • 21. 发明授权
    • Use of trans-activation and cis-activation to modulate the persistence of expression of a transgene in an at least E4-deficient adenovirus
    • 使用反式活化和顺式活化来调节至少E4缺陷型腺病毒中转基因表达的持续性
    • US06225113B1
    • 2001-05-01
    • US09205014
    • 1998-12-04
    • Douglas E. BroughImre Kovesdi
    • Douglas E. BroughImre Kovesdi
    • C12N1586
    • C12N15/86C07K14/005C12N15/63C12N2710/10322C12N2710/10345C12N2710/16622C12N2830/60C12N2840/60
    • The present invention provides a method of modulating the persistence of expression of a trans gene in an at least E4&Dgr; adenoidal vector in a cell. In one embodiment, the method comprises contacting the cell with an at least E4&Dgr; adenoidal vector comprising (i) a transgene and (ii) a gene encoding a trans-acting factor, which is not from the E4 region of an adenovirus and which modulates the persistence of expression of the transgene. In another embodiment, the method comprises contacting the cell simultaneously or sequentially with (i) an at least E4&Dgr; adenoidal vector comprising a transgene and (ii) a viral vector comprising a gene encoding a trans-acting factor, which is not from the E4 region of an adenovirus and which modulates the persistence of expression of the transgene. In addition, the present invention provides a recombinant at least E4&Dgr; adenoviral vector for use in the method and a composition comprising the vector and a carrier therefor. Also provided by the present invention is a system for modulation of a recombinant at least E4&Dgr; adenoviral vector for use in the method and a composition comprising the system and a carrier there for.
    • 本发明提供了调节细胞中至少E4DELTA adenoida载体中trans基因的表达持续性的方法。 在一个实施方案中,该方法包括使细胞与至少E4DELTA腺嘌呤载体接触,所述载体包含(i)转基因和(ii)编码反式作用因子的基因,其不是来自腺病毒的E4区域,并且其调节 持续表达的转基因。 在另一个实施方案中,该方法包括使细胞与(i)包含转基因的至少E4DELTA腺嘌呤载体同时或相继接触,和(ii)包含编码反作用因子的基因的病毒载体,所述反式作用因子不是来自E4区 的腺病毒,并且其调节转基因表达的持续性。 此外,本发明提供了用于该方法的重组至少E4DELTA腺病毒载体和包含载体及其载体的组合物。 本发明还提供了一种用于调节用于该方法的重组至少E4DELTA腺病毒载体的系统,以及包含该系统和该载体的组合物。