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From Epitope Characterization to the Design of Semisynthetic Glycoconjugate Vaccines against Shigella flexneri 2a Infection

机译:从表位表征到抗弗氏志贺氏菌2a感染的半合成糖缀合物疫苗的设计

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摘要

The four-step conception of a potential Shigella flexneri 2a glycoconjugate vaccine exposing synthetic oligosaccharides mimicking the serotype-specific protective determinants is described, (ⅰ) Study of the recognition of synthetic O-antigen fragments by protective murine mIgGs showed that the O-antigen exhibits a serotype-specific immunodominant epitope and that chain elongation improves binding, (ⅱ) Five epitope-related tri- to pentadecasaccharides were synthesized and coupled via single point-attachment to tetanus toxoid or PADRE, (ⅲ) The immunogenicity of the conjugates was assessed in mice, (ⅳ) The protective efficacy of sera induced by the most immunogenic conjugates was evaluated in a murine model of pulmonary infection. A pentadecasaccharide was identified as a good candidate for further development of a S. flexneri 2a semi-synthetic glycoconjugate vaccine.
机译:描述了暴露于模拟血清型特异性保护决定簇的合成寡糖的潜在弗氏志贺氏菌2a糖缀合物疫苗的四步构想,(ⅰ)保护性鼠mIgG对合成O抗原片段的识别研究表明,O抗原表现出(5)合成了五种与表位相关的三糖至五糖,并通过单点连接与破伤风类毒素或PADRE偶联,(ⅲ)对结合物的免疫原性进行了评估(1)在肺部感染的小鼠模型中评估了由最具免疫原性的结合物诱导的血清的保护功效。十五糖被确定为进一步开发弗氏链球菌2a半合成糖缀合物疫苗的良好候选者。

著录项

  • 来源
    《Carbohydrate-based vaccines》|2005年|P.105-136|共32页
  • 会议地点 San Francisco CA(US);San Francisco CA(US)
  • 作者单位

    Unite de Chimie Organique, CNRS URA 2128, Institut Pasteur, 28 rue du Dr Roux, 75724 Paris Cedex 15, France;

    rnUnite de Pathogenie Microbienne Moleculaire, INSERM U389, Institut Pasteur, 28 rue du Dr Roux, 75724 Paris Cedex 15, France;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 医学免疫学;
  • 关键词

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