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    • 5. 发明申请
    • IMMUNOGENIC GLYCOPEPTIDES, SCREENING, PREPARATION AND USES
    • 免疫原性糖肽,筛选,制备和用途
    • WO0250108A3
    • 2002-08-29
    • PCT/FR0104100
    • 2001-12-20
    • PASTEUR INSTITUTMARCHAL GILLESROMAIN FELIXPESCHER PASCALE
    • MARCHAL GILLESROMAIN FELIXPESCHER PASCALE
    • G01N33/50A61K39/00A61K39/04A61K39/39A61P31/04A61P31/10A61P37/04C07K9/00C07K14/35C07K16/12G01N33/53G01N33/569C07H5/02
    • C07K9/00A61K39/00C07K14/35
    • The invention concerns immunogenic glycopeptides derived from pathogenic micro-organisms, useful for vaccination and diagnosis of infections caused by said pathogenic micro-organisms (bacteria or fungi), and methods for selecting them and preparing them. Said glycopeptides are selected in the group consisting of: a1) glycopeptides essentially consisting of a glycosylated T epitope, comprising 14 to 25 amino acids, among which at least a neutral amino acid is bound to a di- or to a trisaccharide (glycoside linkage) and at least 15 % among said amino acids are proline, one of the proline being located in position -1 to -4, relative to the position of said neutral amino acid, which glycopeptides are: exhibited by a class II MHC molecule, specifically identified by T CD+4 lymphocytes induced by immunisation with the native glycopeptide from which they are derived, but are not identified by the T CD+4 lymphocytes induced by immunisation with a non-glycosylated peptide of same sequence and capable of inducing a proliferation of said T CD+4 lymphocytes by which they are identified and the secretion of cytokines by said lymphocytes and b1) glycopeptides having a sequence of 15 to 39 amino acids including the sequence of the glycopeptide as defined in a1), excluding the glycopeptide of sequence SEQ ID NO:11.
    • 本发明涉及源自致病微生物的免疫原性糖肽,其可用于接种和诊断由所述致病微生物(细菌或真菌)引起的感染,以及选择它们并制备它们的方法。 所述糖肽选自由以下组成的组:a1)基本上由糖基化T表位组成的组的糖肽,其包含14至25个氨基酸,其中至少中性氨基酸与二糖或三糖(糖苷键)结合, 并且所述氨基酸中至少15%是脯氨酸,相对于所述中性氨基酸的位置,脯氨酸中的一个位于-1至-4位,所述糖肽是:由II类MHC分子展示的,特异性鉴定的 T CD + 4淋巴细胞通过用它们所来源的天然糖肽进行免疫诱导,但未被用相同序列的非糖基化肽免疫诱导的T CD + 4淋巴细胞鉴定,并且能够诱导所述的增殖 T CD + 4淋巴细胞,以及由所述淋巴细胞分泌细胞因子,和b1)具有15至39个氨基酸序列的糖肽,包括糖肽的序列,作为def 排除在a1),排除序列SEQ ID NO:11的糖肽。