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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Development of a technique for gene transfer into T-lymphocytes using polyomavirus structures and the LAH4 peptide
 Schreiberová, Lucie ; Španielová, Hana (advisor) ; Vopálenský, Václav (referee)
Efficient delivery of genetic material to T-lymphocytes is key in gene therapy using T-lymphocytes with chimeric antigen receptors. Current procedures require the use of potentially dangerous viral vectors or large amount of input material. The diploma thesis therefore focuses on exploring new approaches for gene transfer into T-lymphocytes: use of safe virus-like particles (VLPs) derived from mouse polyomavirus in combination with the amphipathic cationic peptide LAH4. LAH4 has the potential to increase the efficiency of DNA and viral vector transport into cells. The system which combines VLPs and the LAH4 peptide was optimized for the delivery of reporter gene (encoding GFP and luciferase) to the model T-cell line Jurkat. It has been found that Jurkat cells cannot be efficiently transduced by DNA packed into VLPs. When cells were transfected only with DNA and LAH4, consistent results were not obtained, and the transfection efficiency ranged from 0.5 to 19%. The diploma thesis also analysed the effect of phosphorylation of viral structures on gene transfer. The impact of treatment of virus particles by alkaline phosphatase on the infectivity of the virus was studied and it was necessary to analyse the effect of the reaction components. Sublytic concentration of Triton-X100 in the reaction buffer...
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