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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Pseudotyping in baculoviruses
 Zobalová, Eliška ; Španielová, Hana (advisor) ; Fraiberk, Martin (referee)
The baculoviruses are a group of enveloped DNA viruses that infect the larval stage of arthropods, mainly insects. They are widely used in biotechnology and well known for their utility as biological pesticides and gene expression vectors for the production of proteins in insect cells and larvae. However, they are also able to enter in mammalian cells and deliver-genes for expression under the control of mammalian cell-active promoters. Recombination or pseudotyping can result in formation of baculoviruses that provide a higher transduction frequency or are able to recognize specific mammalian cells. This bachelor thesis describes the phenomenon of viral pseudotyping and summarizes published information about the use of pseudotyped baculoviruses for gene therapy and vaccination.
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Retargeting of viral particles for directed cargo delivery into cells
 Váňová, Jana ; Španielová, Hana (advisor) ; Kuthan, Martin (referee)
Due to their structure and ability to enter cells where they release their content, viral particles represent an attractive tool to deliver cargo to a cell. For therapeutic usage of viruses it is necessary to ensure the specific and highly efficient entry to target cells. This thesis offers an overview of methods used for virus retargeting with the intention to evaluate the success of retargeting in terms of specificity and efficiency of designed viral particles when entering a cell. On the basis of published data and considering the mechanisms of viral infection, the thesis demonstrates the difficulty to prevent the nonspecific viral particles from entering the cell and concludes that reaching total specificity is apparently impossible. Despite these small limitations, viral nanoparticles are a revolutionary therapeutic tool for delivering cargo to the cell and it is necessary to exploit their potential.
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