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    • 61. 发明申请
    • Campylobacter glycans and glycopeptides
    • 弯曲杆菌聚糖和糖肽
    • US20060165728A1
    • 2006-07-27
    • US10523459
    • 2003-07-30
    • Noel YoungJean-Robert BrissonJohn KellyDavid WatsonChristine SzymanskiHarold Jarrell
    • Noel YoungJean-Robert BrissonJohn KellyDavid WatsonChristine SzymanskiHarold Jarrell
    • A61K39/02C08B37/00C07K14/205C12Q1/04
    • G01N33/56922A61K39/105C07H3/06G01N2400/02Y02A50/47
    • Multiple strains and species of Campylobacter were found to share a common glycan moitie which is present in a plurality of surface-exposed glycoproteins. This glycan has the formula: GalNAc-a1,4-GalNAc-a1,4-[Glc-β1,3]GalNAc-a1,4-GalNAc-a1,4-GalNAc-a1,3-Bac, wherein Bac is 2,4-diacetamido-2,4,6-trideoxy-D-glucopyranose. This glycan and immunologically active fragments of it have use as vaccines against campylobacter infection in humans and animals. As well, antibodies which specifically bind these compounds may be provided. Such antibodies and vaccines may be used to prevent or neutralize campylobacter infections in livestock thereby preventing this pathogen from entering the human food chain. The glycan may be linked to one or more amino acids to form a glycopeptide. As well, a method for determining the glycan structure of an intact glycoprotein consists of subjecting a sample to high resolution magic angle spinning nuclear magnetic resonance (HR-MAS-NMR) spectroscopy.
    • 发现多种菌株和种类的弯曲杆菌分享一种常见的多糖表面暴露糖蛋白中存在的多糖异味。 该聚糖具有下式:GalNAc-a1,4-GalNAc-a1,4 [Glc-β1,3] GalNAc-a1,4-GalNAc-a1,4-GalNAc-a1,3-Bac,其中Bac为2, 4-二乙酰氨基-2,4,6-三脱氧-D-吡喃葡萄糖。 该聚糖及其免疫活性片段可用作针对人和动物中弯曲杆菌感染的疫苗。 同样,可以提供特异性结合这些化合物的抗体。 这样的抗体和疫苗可用于预防或中和家畜中的弯曲杆菌感染,从而防止该病原体进入人类食物链。 聚糖可以连接到一个或多个氨基酸以形成糖肽。 同样,确定完整糖蛋白的聚糖结构的方法包括使样品进行高分辨率魔角旋转核磁共振(HR-MAS-NMR)光谱。