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首页> 外文期刊>Infection and immunity >Identification of B- and T-Cell Epitopes within the Fibronectin-Binding Domain of the SfbI Protein of Streptococcus pyogenes
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Identification of B- and T-Cell Epitopes within the Fibronectin-Binding Domain of the SfbI Protein of Streptococcus pyogenes

机译:化脓性链球菌SfbI蛋白的纤连蛋白结合域内的B细胞和T细胞表位的鉴定

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The fibronectin-binding repeats of the SfbI protein of Streptococcus pyogenes constitute the minimal domain able to confer protection against lethal infection. We investigated the presence of B- and T-cell epitopes within this region in congenic mice. One linear B-cell epitope was recognized by BALB/b and BALB/k mice, whereas two epitopes were found in BALB/c animals. A unique T-cell epitope was recognized by all three mouse strains. All identified epitopes clustered in a 30-amino-acid fragment. These results suggest that this polypeptide may be suitable for incorporation into a polyepitope-based vaccine formulation against S. pyogenes.
机译:化脓性链球菌的SfbI蛋白的纤连蛋白结合重复序列构成了最小的结构域,能够赋予对致命感染的保护。我们调查了在同类小鼠中该区域内B细胞和T细胞表位的存在。 BALB / b和BALB / k小鼠识别出一个线性B细胞表位,而BALB / c动物中发现了两个表位。三种小鼠品系均识别出独特的T细胞表位。所有鉴定出的表位都聚集在一个30个氨基酸的片段中。这些结果表明该多肽可能适合掺入针对 S的基于多表位的疫苗制剂中。化脓

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