The Mechanism of Lipofectamine 2000 Mediated Transmembrane Gene Delivery - Engineering

ENG > Vol.4 No.10, October 2012

Engineering

Volume 4, Issue 10 (October 2012)

ISSN Print: 1947-3931 ISSN Online: 1947-394X

Google-based Impact Factor: 0.66 Citations

The Mechanism of Lipofectamine 2000 Mediated Transmembrane Gene Delivery ()

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Download as PDF (Size: 287KB) PP. 172-175

DOI: 10.4236/eng.2012.410B045 6,670 Downloads 11,670 Views Citations

Author(s)

Shaohui Cui, Shubiao Zhang, Huiying Chen, Bing Wang, Yinan Zhao, Defu Zhi

Affiliation(s)

Key Laboratory of Bio-chemistry Engineering - The State Ethnic Affairs Commission-Ministry of Education, Dalian Nationalities University, Dalian, China.

ABSTRACT

In this paper, the relatived mechanism between lipofectamine 2000 mediated transmembrane gene delivery and endocytic pathway were investigated. Clathrin and caveolae-mediated endocytic pathway contributions to transfection efficiency were studied. The inhibitors of endocytosis were used to treat HEp-2 cells before lipofectamine 2000/pGFP-N2 transfection. Transfection efficiency was evaluated with green fluorescence protein (GFP) expression assays. Cell viability and cytotoxicity were evaluated with MTT method. The results indicated that inhibitors of clathrin (chlorpromazine or wortmannin) and caveolin (genistein) could reduce the cell transfection efficiency observably. Both clathrin and caveolae-mediated endocytic pathways play important roles in transmembrane gene delivery.

KEYWORDS

Gene Delivery; Cationic Liposomes; Transfection Efficiency; Endocytic Pathway; Inhibitor

Share and Cite:

S. Cui, S. Zhang, H. Chen, B. Wang, Y. Zhao and D. Zhi, "The Mechanism of Lipofectamine 2000 Mediated Transmembrane Gene Delivery," Engineering, Vol. 4 No. 10B, 2012, pp. 172-175. doi: 10.4236/eng.2012.410B045.

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