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  • Title: [Expression of target gene in eukaryotic cells driven by prokaryotic T7 promoter and its RNA polymerase].
    Author: Yuan ZG, Zhang JP, Chu YW, Wang Y, Xu W, Xiong SD.
    Journal: Sheng Wu Gong Cheng Xue Bao; 2005 Mar; 21(2):182-6. PubMed ID: 16013472.
    Abstract:
    To enhance the efficiency of the expression of target gene in eukaryotic cells, one of the strongest prokaryotic expression systems, the T7 RNA polymerase and T7 promoter, was introduced into eukaryotic cells. A duel-plasmid gene expression system of T7 bacteriophage components was developed; one containing the T7 phage RNA polymerase gene under the control of eukaryotic promoter CMV (pCMV-T7pol) and the other (pT7IRES) containing the T7 promoter and T7 terminator as well as EMCV IRES. To test the feasibility of this plasmid system for eukaryotic expression, hepatitis B virus envelop HBV preS2/S was used to construct pT7IRES-HBs. The target genes were expressed efficiently by the eukaryonized prokaryotic expression system in a variety of the cells indicating C2C12, SP2/0, NIH3T3 and BALB/c 3T3, suggesting the potential applications of the expression system in gene therapy and gene immunization.
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