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Controlling DNA compaction with cationic amphiphiles for efficient delivery systems-A step forward towards non-viral Gene Therapy
Savarala, Sushma
Savarala, Sushma
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Thesis/Dissertation
Date
2012
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Chemistry
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http://dx.doi.org/10.34944/dspace/2299
Abstract
The synthesis of pyridinium cationic lipids, their counter-ion exchange, and the transfection of lipoplexes consisting of these lipids with firefly luciferase plasmid DNA (6.7 KDa), into lung, prostate and breast cancer cell lines was investigated. The transfection ability of these newly synthesized compounds was found to be twice as high as DOTAP/cholesterol and LipofectamineTM (two commercially available successful transfection agents). The compaction of the DNA onto silica (SiO2) nanoparticles was also investigated. For this purpose, it was necessary to study the stability and fusion studies of colloidal systems composed of DMPC (1,2-dimyristoyl-sn-glycero-3-phosphocholine), a zwitterionic lipid, and mixtures of DMPC with cationic DMTAP (1,2-dimyristoyl-3-trimethylammonium-propane).
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