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find Author "李明皓" 3 results
  • An Improved Technique of Construction of Recombinant Adeno-Associated Virus 2 Mediated Gene Transfer to TIMP1 and Identification

    Objective To use an improved technique to construct the recombinant adeno-associated virus 2 (rAAV2) mediated gene which can transfer human tissue inhibitor of metalloproteinase-1 (TIMP1). Methods Human TIMP1 gene was amplified from pDNR-LIB plasmid by PCR and cloned into the rAAV2 vector pSNAV to recombinant pSNAV-TIMP1, then was transferred into BHK-21 cells by means of lipofectamine. Using G418 selection, a mixed cell named BHK-21/rAAV2-TIMP1 was isolated, which was capable to express TIMP1. The cell was subsequently infected with recombinant herpes simplex virus 1 (rHSV1-rc/△UL2) that was able to package the rAAV2-TIMP1. After purification, rAAV2-TIMP1 was obtained. Results The rAAV2 carrying human TIMP1 gene was constructed successfully. The viral titer of the rAAV2-TIMP1 was 1×1012 v.g./ml. Conclusion rAAV2-TIMP1 was constructed successfully, which would provide experimental basis for carrying the TIMP1 into hepatocellular carcinoma effectively and inhibiting the invasiveness and migratory capacity of hepatocellular carcinoma in vitro and in vivo models.

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  • 肝包虫病合并胆管梗阻的诊断和治疗

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  • 复杂囊型肝包虫病的外科治疗

    Release date:2020-02-24 05:09 Export PDF Favorites Scan
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