Use of amino-oxy functional groups in the preparation of...

A - Human Necessities – 61 – K

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A61K 39/39 (2006.01) A61K 39/385 (2006.01) A61P 37/04 (2006.01) C07K 1/107 (2006.01)

Patent

CA 2556169

The invention relates to a process for preparing a conjugate comprising combining an amino-oxy homofunctional or heterofunctional reagent with an entity chosen from polysaccharides, oligosaccharides, carbohydrates, and carbohydrate-containing molecules containing at least one carbonyl group, to form a polysaccharide, oligosaccharide, carbohydrate, or carbohydrate- containing molecule functionalized via at least one oxime linkage. The functionalized compound is then reacted either directly or indirectly with a protein molety to form a protein-carbohydrate conjugate that may be used as a vaccine.

L'invention concerne un procédé de préparation d'un conjugué. Ce procédé consiste à combiner un réactif homofonctionnel ou hétérofonctionnel amino-oxy à une entité sélectionnée à partir de polysaccharides, d'oligosaccharides, de glucides, et de molécules contenant des glucides qui comprennent au moins un groupe carbonyle, afin que soit formé un polysaccharide, un oligosaccharide, une glucide, ou une molécule contenant des glucides fonctionnalisée par au moins une liaison oxime. Le composé fonctionnalisé est ensuite amené à réagir directement ou indirectement avec un fragment de protéine afin que soit formé un conjugué protéine-glucide pouvant être utilisé en tant que vaccin.

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