Prime-boost and recombinant protein vaccination strategies using Sm-p80 protects against Schistosoma mansoni infection in the mouse model to levels previously attainable only by the irradiated cercarial vaccine.

Prime-boost and recombinant protein vaccination strategies using Sm-p80 protects against Schistosoma mansoni infection in the mouse model to levels previously attainable only by the irradiated cercarial vaccine.
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DOI:
10.1007/s00436-009-1646-z
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发表时间:
2009-11
影响因子:
2
通讯作者:
Siddiqui AA
Siddiqui AA
中科院分区:
医学3区
文献类型:
--
作者:
Ahmad G;Zhang W;Torben W;Haskins C;Diggs S;Noor Z;Le L;Siddiqui AA

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有效的血吸虫疫苗的出现将大大有助于减少血吸虫病的疾病谱和传播。我们将功能重要的抗原 Sm-p80 作为候选疫苗,因为它具有一致的免疫原性、保护性和抗生育潜力,以及在免疫逃避过程中的重要作用。在这项研究中,我们报告使用两种疫苗接种方法(初免加强疫苗和重组蛋白),基于 Sm-p80 的疫苗制剂可使小鼠的蠕虫负担减少高达 70%。接种该疫苗的动物产蛋量下降高达 75%。该疫苗在接种疫苗的动物中引发了强烈的免疫反应,包括 IgM、IgA 和 IgG(IgG1、IgG2a、IgG2b 和 IgG3)。脾细胞响应 Sm-p80 产生的 Th1 和 Th17 反应增强细胞因子而增殖。这些结果再次强调了 Sm-p80 作为血吸虫病可行候选疫苗的潜力。
Advent of an effective schistosome vaccine would contribute significantly toward reducing the disease spectrum and transmission of schistosomiasis. We have targeted a functionally important antigen, Sm-p80, as a vaccine candidate because of its consistent immunogenicity, protective and antifecundity potentials, and important role in the immune evasion process. In this study, we report that using two vaccination approaches (prime boost and recombinant protein), Sm-p80-based vaccine formulation(s) confer up to 70% reduction in worm burden in mice. Animals immunized with the vaccine exhibited a decrease in egg production by up to 75%. The vaccine elicited strong immune responses that included IgM, IgA, and IgG (IgG1, IgG2a, IgG2b, and IgG3) in vaccinated animals. Splenocytes proliferated in response to Sm-p80 produced Th1 and Th17 response enhancing cytokines. These results again emphasize the potential of Sm-p80 as a viable vaccine candidate for schistosomiasis.
DOI: 10.1016/s0264-410x(97)00081-9
发表时间: 1997-10-01
期刊: VACCINE
影响因子: 5.5
作者:
HotaMitchell, S;Siddiqui, AA;Podesta, RB
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期刊: Vaccine
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发表时间: 1993-03-24
期刊: BIOCHIMICA ET BIOPHYSICA ACTA
影响因子: --
作者:
SIDDIQUI, AA;ZHOU, Y;CLARKE, MW
通讯作者: CLARKE, MW