Preprint Brief Report Version 1 Preserved in Portico This version is not peer-reviewed

Adjuvant Oligonucleotide Vaccine Increases Survival of Transgenic Mice [B6.Cg-Tg (K18-ACE2)2]

Volodymyr Oberemok
* ORCID logo ,
Kateryna Laikova
,
Kseniya Yurchenko
ORCID logo ,
Ilya Novikov
ORCID logo ,
Tatyana Makalish
,
Anatolii Kubyshkin
ORCID logo ,
Oksana Andreeva
,
Anastasiya Bilyk
Version 1 : Received: 23 May 2023 / Approved: 25 May 2023 / Online: 25 May 2023 (10:13:35 CEST)

A peer-reviewed article of this Preprint also exists.

Oberemok, V.V.; Laikova, K.V.; Yurchenko, K.A.; Novikov, I.A.; Makalish, T.P.; Kubyshkin, A.V.; Andreeva, O.A.; Bilyk, A.I. Adjuvant Oligonucleotide Vaccine Increases Survival and Improves Lung Tissue Condition of B6.Cg-Tg (K18-ACE2)2 Transgenic Mice. Sci. Pharm. 2023, 91, 35. Oberemok, V.V.; Laikova, K.V.; Yurchenko, K.A.; Novikov, I.A.; Makalish, T.P.; Kubyshkin, A.V.; Andreeva, O.A.; Bilyk, A.I. Adjuvant Oligonucleotide Vaccine Increases Survival and Improves Lung Tissue Condition of B6.Cg-Tg (K18-ACE2)2 Transgenic Mice. Sci. Pharm. 2023, 91, 35.

Abstract

The main problem in creating anti-coronavirus vaccines that target mainly proteins of the outer membrane of the virus remains the rapid variability of the RNA genome of the pathogen that encodes these proteins. In addition, the introduction of technologies that can provide affordable and fast production of flexible vaccine formulas that easily adapt to the emergence of new subtypes of SARS-CoV-2 is required. Universal oligonucleotide vaccine can take into account the dynamics of rapid changes in the virus genome, as well as be synthesized on automatic DNA synthesizers in large quantities in a short time. In this brief report, the effectiveness of four phosphorothioate constructs of the La-S-so type oligonucleotide vaccine will be evaluated for the first time on transgenic mice [B6.Cg-Tg (K18-ACE2)2]. In our primary trials, the oligonucleotide vaccine increased the survival rate of animals infected with SARS-CoV-2 and also reduced the destructive effects of the virus on the lung tissue of mice. The obtained results show the perspective of the development of vaccine constructs of the La-S-so type for the prevention of coronavirus infections, including those caused by SARS-СoV-2.

Keywords

oligonucleotide vaccines; SARS-CoV-2; phosphorothioate oligonucleotides; innate immunity; adaptive immunity

Subject

Medicine and Pharmacology, Medicine and Pharmacology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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