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Hiroyuki Miyoshi Ulrike Blmer Masayo Takahashi Fred H. Gage Inder M. Verma 《Journal of virology》1998,72(10):8150-8157
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We describe a set of Moloney Murine Leukemia Virus (MoMLV)-based replication-defective retroviral vectors for delivery of the ecdysone-inducible system into mammalian cells. The vector pFB-ERV contains a tricistronic CMV expression cassette from which the ecdysone receptor proteins RXR and VgEcR are expressed, with the neo-resistance marker expressed as the third open reading frame (ORF). The inducible vector pCFB-EGSH contains an ecdysone-inducible expression cassette inserted between the viral LTRs in the antisense orientation relative to that for the viral promoter. Potential interference from the proviral 5' LTR is obviated due to a SIN deletion in the 3' LTR. When used together, induction ratios of over 1000-fold were achieved in NIH3T3 cells using firefly luciferase as a reporter. 相似文献
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HIV trans-activation and transcription control mechanisms 总被引:21,自引:0,他引:21
K A Jones 《The New biologist》1989,1(2):127-135