Affinity enhancement agents

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 16/00 (2006.01) A61K 39/395 (2006.01) A61K 45/06 (2006.01) C07K 16/30 (2006.01) C07K 16/44 (2006.01) C12N 15/00 (2006.01) C12N 15/85 (2006.01) C12N 15/86 (2006.01)

Patent

CA 2463616

This invention relates to a kit containing a multivalent, multi-specific binding protein and a carrier molecule. The binding protein has two or more binding sites where at least one binding site binds with a hapten moiety and at least one site binds with a target antigen. The carrier molecule contains a linking molecule that bears a diagnostic agent and/or a therapeutic agent and two or more haptens. The present invention further relates to bispecific diabodies that bind with hapten moieties and target antigens and to recombinant vectors useful for the expression of these functional diabodies in a microbial host.

La présente invention concerne un nécessaire contenant une protéine de liaison à multi-spécificité et multivalence et une molécule porteuse. Cette protéine de liaison comporte au moins deux sites de liaison dont au moins un se lie avec une fraction haptène et au moins un se lie avec un antigène cible. La molécule porteuse contient une molécule de liaison qui renferme un agent diagnostique et/ou un agent thérapeutique et au moins deux haptènes. Cette invention concerne également des dianticorps bispécifiques qui se lient avec des fractions haptènes et des antigènes cibles ainsi que des vecteurs de recombinaison servant à l'expression de ces dianticorps fonctionnels chez un hôte microbien.

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