Abstract
The porcine reproductive and respiratory syndrome (PRRS) caused the serious economic damage to swine breeding around the world. It is a viral infective disease against which live attenuated and inactivated vaccines are not always successful. Development of new types of drugs such as DNA vaccines is necessary for improving the protection against the virus. DNA vaccines induce the development of both a cellular and humoral immune response. Such vaccines consist of a plasmid or viral vector with genes of potentially immunogenic proteins. The expression of these genes realized in cells of the vaccinated animal. It leads to the synthesis of antigen proteins triggering the immune response. The purpose of this work is to create a genetic construction that can be used as DNA vaccine against PRRS virus. The construction consists of the commercial vector pVAX1 and open reading frame of two structural proteins of PRRS virus, a lysosomal localization signal sequence of the invariant chain gene and regulatory elements necessary for the expression of cloned genes in mammalian cells.
Highlights
caused the serious economic damage to swine breeding around the world
such as DNA vaccines is necessary for improving the protection against the virus
The expression of these genes realized in cells of the vaccinated animal
Summary
The porcine reproductive and respiratory syndrome (PRRS) caused the serious economic damage to swine breeding around the world It is a viral infective disease against which live attenuated and inactivated vaccines are not always successful. DNA vaccines induce the development of both a cellular and humoral immune response Such vaccines consist of a plasmid or viral vector with genes of potentially immunogenic proteins. The expression of these genes realized in cells of the vaccinated animal. The construction consists of the commercial vector pVAX1 and open reading frame of two structural proteins of PRRS virus, a lysosomal localization signal sequence of the invariant chain gene and regulatory elements necessary for the expression of cloned genes in mammalian cells
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