Enzymatic conjugation of bioactive moieties

C - Chemistry – Metallurgy – 12 – P

Patent

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Details

C12P 21/00 (2006.01) A61K 47/48 (2006.01) C07K 5/06 (2006.01) C07K 5/08 (2006.01) C07K 7/06 (2006.01)

Patent

CA 2714585

The present invention relates to a method for selective conjugation of bioactive moieties to a polymer or poly-merisable compound. The method is more specifically related to the selective conjugation of bioactive moieties to a pendant car-boxylic acid, ester or thioester group in which the pendant group is part of a polymer or a polymerisable compound, wherein the method comprises contacting the polymer or polymerisable compound with a hydrolytic enzyme to catalyse the conjugation be-tween the bioactive moiety and the pendant carboxylic acid, ester or thioester group. The conjugation of the bioactive moieties may occur prior to, during or after polymerization of the polymerisable compound. The conjugation of the bioactive moieties may also occur after the polymer is given a form.

La présente invention porte sur un procédé pour la conjugaison sélective de fractions bioactives à un polymère ou un composé polymérisable. Le procédé porte plus spécifiquement sur la conjugaison sélective de fractions bioactives à un groupe acide carboxylique, ester ou thioester pendant, le groupe pendant faisant partie d'un polymère ou d'un composé polymérisable, le procédé comprenant la mise en contact du polymère ou composé polymérisable avec une enzyme hydrolytique pour catalyser la conjugaison entre la fraction bioactive et le groupe acide carboxylique, ester ou thioester pendant. La conjugaison des fractions bioactives peut avoir lieu avant, pendant ou après la polymérisation du composé polymérisable. La conjugaison des fractions bioactives peut également avoir lieu après que le polymère a reçu une forme.

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