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What we learned about the feasibility of gene electrotransfer for vaccination on a model of COVID-19 vaccine [Elektronski vir]Kamenšek, Urška ...: DNA vaccination is one of the emerging approaches for a wide range of applications, including prophylactic vaccination against infectious diseases and therapeutic vaccination against cancer. The ... aim of this study was to evaluate the feasibility of our previously optimized protocols for gene electrotransfer (GET)-mediated delivery of plasmid DNA into skin and muscle tissues on a model of COVID-19 vaccine. Plasmids encoding the SARS-CoV-2 proteins spike (S) and nucleocapsid (N) were used as the antigen source, and a plasmid encoding interleukin 12 (IL-12) was used as an adjuvant. Vaccination was performed in the skin or muscle tissue of C57BL/6J mice on days 0 and 14 (boost). Two weeks after the boost, blood, spleen, and transfected tissues were collected to determine the expression of S, N, IL-12, serum interferon-γ, the induction of antigen-specific IgG antibodies, and cytotoxic T-cells. In accordance with prior in vitro experiments that indicated problems with proper expression of the S protein, vaccination with S did not induce S-specific antibodies, whereas significant induction of N-specific antibodies was detected after vaccination with N. Intramuscular vaccination outperformed skin vaccination and resulted in significant induction of humoral and cell-mediated immunity. Moreover, both boost and adjuvant were found to be redundant for the induction of an immune response. Overall, the study confirmed the feasibility of the GET for DNA vaccination and provided valuable insights into this approach.Source: Pharmaceutics [Elektronski vir]. - ISSN 1999-4923 (Vol. 15, no. 7, 2023, str. [1-18])Type of material - e-article ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 159538947
Author
Kamenšek, Urška |
Čemažar, Maja |
Kranjc Brezar, Simona |
Jesenko, Tanja |
Kos, Špela, farmacija |
Žnidar, Katarina |
Markelc, Boštjan |
Pišljar, Živa |
Komel, Tilen |
Gorše, Tim |
Reberšek, Eva |
Jakopič, Helena |
Serša, Gregor
Topics
DNK cepiva |
elektroprenos genov |
cepiva proti covidu-19 |
DNA vaccination |
gene electrotransfer |
COVID-19 vaccine
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Database name | Field | Year |
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Kamenšek, Urška | 28387 |
Čemažar, Maja | 14575 |
Kranjc Brezar, Simona | 19058 |
Jesenko, Tanja | 33227 |
Kos, Špela, farmacija | 36366 |
Žnidar, Katarina | 37534 |
Markelc, Boštjan | 32175 |
Pišljar, Živa | 54718 |
Komel, Tilen | 53504 |
Gorše, Tim | ![]() |
Reberšek, Eva | ![]() |
Jakopič, Helena | ![]() |
Serša, Gregor | 08800 |
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