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Evaluating the vaccine potential of an influenza A viral hemagglutinin and matrix double insertion DNA plasmid.

机译:评估甲型流感病毒血凝素和基质双插入DNA质粒的疫苗潜力。

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摘要

A DNA plasmid expressing both the influenza viral matrix protein (M1) and hemagglutinin (HA) (pHA/M1) as a potential vaccine candidate was investigated. Vaccination with pHA/M1 double insertion plasmids not only induced HA-specific protective antibodies, but also elicited HA and M1-specific CD8 T cell responses. Mice immunized with pHA/M1 dual expressing plasmid showed enhanced HA inhibition titer and increased CD69(+) CD8alpha(+) T cell response compared to groups that received either the vector or a mixture of both pHA and pM1 (pHA+pM1). Furthermore, pHA/M1 immunization resulted in improved protection against both homologous and heterologous challenges.
机译:研究了同时表达流感病毒基质蛋白(M1)和血凝素(HA)(pHA / M1)作为潜在候选疫苗的DNA质粒。用pHA / M1双插入质粒接种疫苗不仅诱导HA特异性保护性抗体,而且还引起HA和M1特异性CD8 T细胞应答。与接受载体或pHA和pM1(pHA + pM1)混合物的组相比,用pHA / M1双表达质粒免疫的小鼠显示出更高的HA抑制效价和增加的CD69(+)CD8alpha(+)T细胞应答。此外,pHA / M1免疫可提高抵抗同源和异源攻击的保护能力。

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