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Chinese Journal of Clinicians(Electronic Edition) ›› 2017, Vol. 11 ›› Issue (19): 2273-2279. doi: 10.3877/cma.j.issn.1674-0785.2017.19.005

Special Issue:

• Basic Researches • Previous Articles     Next Articles

Construction of a Golgi protein 73 modified liposome that mediates HSVtk induced liver cancer cell apoptosis

Fanxiu Meng1, Qi Zhang1, Zhijian Yao1, Yangyang Yuang1, Siheng Zeng1, Chang Liu1, Yongfang Li1, Yingmin Zhang1, Na Zhao1, Jiahui Lu2, Zhixuan Zhang2, Gaokai Li3, Baofeng Yu1,(), Rui Guo1, Hailong Wang1, Jun Xie1, Gaopeng Li4, Jun Xu4,()   

  1. 1. Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China
    2. College of Dental Medicine, Shanxi Medical University, Taiyuan 030001, China
    3. School of Public Health, Shanxi Medical University, Taiyuan 030001, China
    4. Department of General Surgery, Affiliated Tumor Hospital of Shanxi Medical University, Taiyuan 030013, China
  • Received:2017-03-14 Online:2017-10-01 Published:2017-10-01
  • Contact: Baofeng Yu, Jun Xu
  • About author:
    Corresponding authors: Yu Baofeng, Email:
    Xu Jun, Email:

Abstract:

Objective

To construct a non-viral gene therapy vector (GP73 modified lipoplexes) and to assess its delivery efficiency and impact on apoptosis in hepatoma cell line HepG2 and normal liver cell line HL-7702.

Methods

Lipoplexes were conjugated with human GP73 using water-soluble carbodidimide, a crossing agent. Then, GP73-lipoplexes were used to carry pGenesil-l plasmid containing EGFP gene and transfect hepatoma cell line HepG2 and normal liver cell line HL-7702. Fluorescence microscopy and flow cytometry were used to assess the transfection efficiency. GP73-lipoplexes were then used to carry PBI-SUR-TK plasmid containing the therapeutic gene HSVtk and transfect hepatoma cells and normal hepatocytes. RT-PCR and Western blot were used to detect the expression of HSVtk in cells, and flow cytometry and CCK-8 assay were used to detect apoptosis.

Results

Compared with HL-7702 cells, HepG2 cells had higher transfection efficiency [(9.68±0.57)% vs (26.37±0.76)%], obvious HSVtk gene production, and significant apoptosis.

Conclusion

GP73 modified lipoplexes can be an effective tool to improve the transfection efficiency and therapeutic effects of exogenous genes in hepatoma cells.

Key words: GP73, Lipoplexes, Hepatoma cell, Transfection efficiency, Apoptosis

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