[Influence of epitope A modification and N-linked glycosylated site mutation of PRRSV NJ-a strain ORF5 gene on the ability to induce neutralizing antibodies and T cell proliferation response].

Abstract excerpt

To enhance the DNA immunogencity of PRRSV ORF5 gene, CpG sequence and the universal helper T cell antigen epitope (PADRE) sequence were inserted between the decoy epitope and the neutralizing epitope. At the same time, site-mutations were introduced at N33 and N51 to diminish the coverage effect to epitope B from the polysaccharides. Subsequently, the modified ORF5 gene (MORF5) and PRRSV ORF6 gene were cloned...

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