Selective covalent-binding compounds having therapeutic...

C - Chemistry – Metallurgy – 12 – Q

Patent

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Details

C12Q 1/00 (2006.01) C07K 16/00 (2006.01) G01N 33/53 (2006.01) G01N 33/531 (2006.01)

Patent

CA 2446921

Novel compounds are provided having enhanced affinity for a desired, preselected, target substance (a small molecule; a macromolecule such as a protein, a carbohydrate, a nucleic acid, a cell, a viral particle, etc.) by modification with chemical groups that allow these substances to form stong bonds, such as irreversible covalent bonds, with the desired target substance. These qualities of tight, specific binding are eminiscent of antibody-like affinity; hence the new substances are termed COBALT, and acronym for Covalent- Binding Antibody-Like Trap. The present invention includes a process wherein a target species is chosen and then, by synthetic chemical procedures and modifications, novel substances (COBALTs) are obtained that exhibit selective and covalent binding to the preselected target species. The applications of the COBALTs include diagnostic, analytical, therapeutic and industrial applications.

L'invention porte sur de nouveaux composés présentant une meilleure affinité pour une substance cible, présélectionnée, désirée (une petite molécule; une macromolécule telle qu'une protéine, un glucide, un acide nucléique, une cellule, une particule virale, etc.) grâce à la modification de groupes chimiques qui permettent à ces substances de former des liaisons résistantes, telles que des liaisons covalentes irréversibles, avec la substance cible désirée. Ces qualités de liaison spécifiques optimales rappellent une affinité envers les anticorps; Ces nouvelles substances sont donc appelées COBALT qui est un acronyme de <u>Co</u>valent-<u>B</u>inding <u>A</u>ntibody-<u>L</u>ike <u>Trap</u>. Cette invention porte également sur un procédé au cours duquel on choisit un espèce cible et où on obtient, par des procédures et modifications chimiques synthétiques, de nouvelles substances (COBALT) qui présentent une liaison sélective et covalente à l'espèce cible présélectionnée. Ces substances dites COBALT peuvent avoir des applications diagnostiques, analytiques, thérapeutiques et industrielles.

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