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首页> 外文期刊>Vaccine >Fusion of DsbA to the N-terminus of CTL chimeric epitope, F/M2:81-95, of respiratory syncytial virus prolongs protein- and virus-specific CTL responses in Balb/c mice
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Fusion of DsbA to the N-terminus of CTL chimeric epitope, F/M2:81-95, of respiratory syncytial virus prolongs protein- and virus-specific CTL responses in Balb/c mice

机译:DsbA融合到呼吸道合胞病毒的CTL嵌合表位F / M2:81-95 N端可延长Balb / c小鼠的蛋白质和病毒特异性CTL反应

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摘要

In an effort to seek a means of inducing long lasting respiratory syncytial virus-specific CTL responses in mice, we constructed a new recombinant protein, DsbA-F/M2:81-95, by fusing carrier protein DsbA (disulfide bond isomerase) to the N-terminus of CTL chimeric epitope F/M2:81-95 of this virus. DsbA-F/M2:81-95 can induce effectively virus-specific CTL responses as well as protective immunity without association with enhanced disease. Furthermore, compared with F/M2:81-95 alone, it increases the longevity of CTL responses in vivo up to 2.93 folds. Our study emphasizes that appropriate stimulation of non-antigen-specific T helper cells is essential to induce long lasting CD8+ CTL, and also implies DsbA-F/M2:81-95 may be a promising candidate for RSV vaccine development since it is an efficacious and safe immunogen.
机译:为了寻求在小鼠中诱导持久呼吸道合胞病毒特异性CTL反应的方法,我们通过将载体蛋白DsbA(二硫键异构酶)融合到小鼠体内,构建了一种新的重组蛋白DsbA-F / M2:81-95。该病毒的CTL嵌合表位F / M2:81-95的N端。 DsbA-F / M2:81-95可以有效诱导病毒特异的CTL反应以及保护性免疫,而不会与疾病增强相关。此外,与单独的F / M2:81-95相比,它可将体内CTL响应的寿命延长至2.93倍。我们的研究强调,适当刺激非抗原特异性T辅助细胞对于诱导持久CD8 + CTL是必不可少的,并且还暗示DsbA-F / M2:81-95可能是RSV疫苗开发的有希望的候选者,因为它是有效的和安全的免疫原。

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