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Title

Physical Properties and Stability of Plasmid DNA-Loaded Chitosan-TPP Nanoparticle

Year: 1398
COI: JR_JETT-7-3_024
Language: EnglishView: 280
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Authors

S. R. Naeimi Torshizi - Department of cellular and molecular, Nour Danesh Institute of Higher Education, Mymeh, Isfahan
H Ofoghi - Department of Biotechnology, Iranian Research Organization for Science and Technology, Tehran, Iran
A Jangjou - Department of Emergency Medicine, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
S. Taghizadeh - Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
M Kianirad - Department of Biotechnology, Iranian Research Organization for Science and Technology, Tehran, Iran

Abstract:

Chitosan (CS) is a biodegradable natural polymer that has shown potential for gene delivery. Although a number of in vitro studies showed that chitosan and its derivatives have emerged as promising vehicles for efficient non-viral gene and plasmid DNA (pDNA) vaccine delivery, the stability of chitosan/plasmid nanoparticle remain insufficient. In the present study, ionically crosslinked chitosan nanoparticles were formulated with plasmid DNA using the ionic gelation technique with sodium tripolyphospate (TPP) as a crosslinking agent. We investigate the stability of chitosan/pDNA nanoparticles which was synthesized by this method. Optimization study showed that chitosan to TPP ratios of 1:0.4(w/w) results in the reproducible formation of nanoparticles with good production yields. SEM and DLS analyses revealed a circular shape of the CS/TPP nanoparticles with an average size diameter of 173 nm. The zeta potential of the nanoparticles was + 10.8 mv. In vitro study of pDNA release from CS/TPP nanoparticles revealed no DNA release following incubation of chitosan/pDNA nanoparticles for up to 1 month, in mediums of PBS and acetic acid at pH 4 and pH 7.4. According to the results, ionically crosslinked CS/TPP nanoparticles have the potential to be used as a biocompatible non-viral gene delivery system with strong stability.

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This Paper COI Code is JR_JETT-7-3_024. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/992887/

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Torshizi, S. R. Naeimi and Ofoghi, H and Jangjou, A and Taghizadeh, S. and Kianirad, M,1398,Physical Properties and Stability of Plasmid DNA-Loaded Chitosan-TPP Nanoparticle,https://civilica.com/doc/992887

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Type of center: موسسه غیرانتفاعی
Paper count: 108
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