Compared of immunogenicity and protein composition of experimental and officinal virosomal influenza virus vaccine
Keywords:
virosomal trivalent influenza vaccine, protein composition, immunogenicity.Abstract
Introduction Due to the high mutagenicity that distinguishes influenza A virus, there are viruses of this type of new antigenic properties, the prevention of which the immune system has no immunological memory. It is therefore important to find new ways to create and study patterns of immunological impact of influenza vaccines. The success of liposomal vaccines and the growing interest in their improvement can be attributed to a number of key advantages over other systems of delivery of antigens and enhance the immune response. The main advantage of liposomes is their safety and good tolerance, as demonstrated by the use of approved based on liposomes of anticancer and anti-infective drugs. Material and methods As part of the search for new ways to create, study functional characteristics and patterns of immunological impact of influenza vaccine immunogenicity was investigated newly formed liposomal vaccine "Lipos 2" compared to the trivalent vaccine officinal virosomal vaccine Infleksal and analyzed their protein composition using bioanalyzer «Agilent 2100." Immunogenicity of vaccines studied by hemagglutination inhibition test (HIT) with a specific antigen (influenza virus). The composition of proteins containing vaccine was studied using bioanalyzer «Agilent-2100» («Agilent Technologies», USA) using the method of SDS-PAGE (sodium dodecyl sulfate polyacrylamide gel electrophoresis). Analysis on «Agilent-2100" conducted by using chips to analyze 12 samples simultaneously studied vaccines. The protein composition of the vaccine was determined by elektrophoregram receiving data on molecular weight protein fragments, their concentration and percentage of study medication. Also, determine the average number of proteins in vaccine strain. Results and discussion Considerable experimental vaccine immunogenicity, which caused a persistent increase in the level of specific antibodies to all three viral antigens in most experimental animals compared with the vaccine, which was in control. Based elektroforegram defined the quantitative composition of proteins, their total weight and percentage of trivalent subunit vaccine Inflyuvak and trivalent virosomal vaccine Infleksal, that the number of components of different protein components by molecular weight.
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