The present invention relates to compounds derived from sugars which reproduce the epitopes of Shigella flexneri serotypes 3a and X and to the use thereof for the preparation of vaccine compositions. More specifically, the subject matter of the present invention relates to novel glycoconjugated compounds comprising oligosaccharides or polysaccharides described hereinafter, to the method for synthesizing these oligosaccharides or polysaccharides and glycoconjugates, to derivatives of these oligosaccharides or polysaccharides, to compositions containing same, and also to the use of the glycoconjugates for vaccination purposes. Finally, the present invention relates to methods for diagnosing a Shigella flexneri infection using one or more oligosaccharides or polysaccharides or conjugates thereof.
本发明涉及从
糖类衍生的化合物,其重现志贺氏菌弗氏菌血清型3a和X的表位,并且涉及将其用于制备疫苗组合物。更具体地,本发明涉及包括下文描述的
寡糖或
多糖的新型糖结合化合物,用于合成这些
寡糖或
多糖和糖结合物的方法,这些
寡糖或
多糖的衍
生物,含有这些衍
生物的组合物,以及将糖结合物用于疫苗目的的用途。最后,本发明涉及使用一个或多个
寡糖或
多糖或其结合物诊断志贺氏菌弗氏菌感染的方法。