Abstract
An optimized design of the rabies virus glycoprotein (G protein) for use within DNA vaccines has been suggested. The design represents a territorially adapted antigen constructed taking into account glycoprotein amino acid sequences of the rabies viruses registered in the Russian Federation and the vaccine Vnukovo-32 strain. Based on the created consensus amino acid sequence, the nucleotide codon-optimized sequence of this modified glycoprotein was obtained and cloned into the pVAX1 plasmid (a vector of the last generation used in the creation of DNA vaccines). A twofold increase in this gene expression compared to the expression of the Vnukovo-32 strain viral glycoprotein gene in a similar vector was registered in the transfected cell culture. It has been demonstrated that the accumulation of modified G protein exceeds the number of the control protein synthesized using the plasmid with the Vnukovo-32 strain viral glycoprotein gene by 20 times. Thus, the obtained modified rabies virus glycoprotein can be considered to be a promising DNA vaccine antigen.
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Original Russian Text © E.S. Starodubova, Y.V. Kuzmenko, A.A. Latanova, O.V. Preobrazhenskaya, V.L. Karpov, 2016, published in Molekulyarnaya Biologiya, 2016, Vol. 50, No. 2, pp. 376–380.
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Starodubova, E.S., Kuzmenko, Y.V., Latanova, A.A. et al. Creation of DNA vaccine vector based on codon-optimized gene of rabies virus glycoprotein (G protein) with consensus amino acid sequence. Mol Biol 50, 328–331 (2016). https://doi.org/10.1134/S0026893316020242
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DOI: https://doi.org/10.1134/S0026893316020242