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    • 54. 发明申请
    • COMPOSITIONS AND METHODS FOR ISOLATION OF CIRCULATING TUMOR CELLS (CTC)
    • 用于分离循环肿瘤细胞的组合物和方法(CTC)
    • WO2016057387A1
    • 2016-04-14
    • PCT/US2015/053982
    • 2015-10-05
    • THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
    • DORSEY, Jay, F.KAO, Gary, D.HAHN, Stephen, M.
    • C12Q1/70C12M1/34
    • C12Q1/6897C12Q1/6886C12Q2600/118C12Q2600/156
    • A method useful for identifying and isolating live circulating tumor cells is described. The method utilizes an adenoviral vector comprising a replication-competent adenovirus in which the El gene region is expressed under the control of a telomerase- specific promoter and further comprises a second expression cassette containing a marker protein, optionally fused to a detectable cell surface marker to permit detection of circulating tumor cells lacking cell surface markers. The method involves combining ex vivo a test sample from a patient suspected of having circulating tumor cells, an adenoviral probe system, and culture media for the cells. The test sample is incubated with the adenoviral system for a sufficient time to permit expression of the reporter protein. The marker gene expression can thereafter be quantitated and the marker- expressing cells may optionally be collected for further analysis.
    • 描述了一种用于鉴定和分离活的循环肿瘤细胞的方法。 该方法使用包含复制性腺病毒的腺病毒载体,其中E1基因区域在端粒酶特异性启动子的控制下表达,并且还包含含有标记蛋白的第二表达盒,任选地与可检测的细胞表面标记物融合 允许检测缺乏细胞表面标志物的循环肿瘤细胞。 该方法包括从怀疑患有循环肿瘤细胞的患者,腺病毒探针系统和细胞的培养基组合离体测试样品。 将测试样品与腺病毒系统孵育足够的时间以允许报告蛋白的表达。 此后可以定量标记基因表达,并且可以任选地收集标志物表达细胞用于进一步分析。