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The Study on Poly-Lysine-Alginate Microcapsules Mediated Virus Genomic DNA Transfection

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Abstract:

The goal in this paper is to investigate the efficiency of poly-PLL (Poly-L-lysine)/ Alg (Alginate) vector mediated virus genomic DNA transfection and the virus genomic DNA’s biological activity in vivo. After Pseudorabies virus (PRV) genomic DNA being adhered to the porous СаСО3 particles, PLL and Alg were alternately polymerized on the surface of the porous DNA-СаСО3 particles to 7 layers, which were later dissolved them by EDTA to remove СаСО3 cores; the vectors in which the DNA were coated by poly-PLL/Alg, were harvested to infect the rabbits and observe the replication of viral DNA. Porous СаСО3 particles, which were obtained from the reaction between Na2CO3 and CaCl2, had an efficiency of absorbing DNA 1 µg/mg СаСО3 particles. After being coated by PLL/Alg, microcapsules were obtained with the diameter of 2-4 µm. 10.0 µg of poly-PLL/Alg-PRV DNA microcapsules could cause rabbits’ death by intramuscular injection. The identification of PCR shows that the death was caused by PRV infection. The results indicate that Poly-PLL/Alg microcapsules can mediate efficient transfection of DNA.

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Info:

Periodical:

Advanced Materials Research (Volume 699)

Pages:

298-301

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.699.298

Citation:

Cite this paper

Online since:

May 2013

Authors:

Guo Qing Wang, Dan Zhang, Liu Yuan Xia, Nai Sheng Zhang

Keywords:

Genomic DNA, Microcapsule, Poly-Lysine-Alginate, Transfection

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