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Transfection Optimization of Arkadia Expression Vector in Renal Tubular Epithelial Cells

LIAO Fang-fang, LI Jiao, WANG Hui-chuan, ZHANG Zhong-wen, WU Guo-juan   

  1. College of Animal Science and Technology, Beijing University of Agriculture,Beijing 102206,China
  • Received:2012-01-12 Online:2012-08-20 Published:2012-08-24

Abstract: To lay the foundation for investigating the role of Arkadia expression vector in mouse aristolochic acid nephropathy (AAN), we optimized the transfection conditions of ubiquitination enzyme Arkadia plasmid expression vector pGPU6/GFP/Neo in mice renal tubular epithelial cells (RTECs). Mice RTECs were taken for transfection object, and liposome LipofectamineTM 2000 for transfection medium, we detected the Arkadia mRNA expressions differences and the affects of cell activity under the different ratios conditions of plasmid and liposome by Real-time PCR and CCK-8 assay; at the same time, the differences of Arkadia mRNA expressions silence under the different transfection time conditions by Real-time PCR.The results showed that transfection efficiency of Arkadia-pGPU6/GFP/Neo vector displayed dose and time dependents. When the ratio of plasmid DNA∶LipofectamineTM 2000 was 0.66 μg∶2 μL, and the transfection time was 24 h, Arkadia mRNA expression inhibition was very obvious and the cytotoxicity was the lowest.Lastly, we determined the best transfection condition of Arkadia-pGPU6/GFP/Neo vector.

Key words: Arkadia; expression vector; transfection; renal tubular epithelial cells; optimization

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