Compositions and methods for producing bioactive fusion...

C - Chemistry – Metallurgy – 12 – N

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C12N 15/62 (2006.01) A61K 38/16 (2006.01) A61K 47/48 (2006.01) C07K 19/00 (2006.01) C12N 15/09 (2006.01) C12N 15/63 (2006.01)

Patent

CA 2687141

Disclosed is a composition of matter involving a recombinant fusion protein comprising a a pharmacologically active protein partner, and a small pharmacologically inactive protein domain partner of human origin, such as but not limited to, a 10th fibronectin III domain, a SH3 domain, a SH2 domain, a CH2 domain of IgG1, a PDZ domain, a thrombospondin repeat domain, an ubiquitin domain, a leucine-rich repeat domain, a villin headpiece HP35 domain, a villin headpiece HP76 domain, or a fragment or modification of any of these. Also disclosed are nucleic acids (e.g., DNA constructs) encoding the fusion protein, expression vectors and recombinant host cells for expression of the fusion protein, and pharmaceutical compositions containing the recombinant fusion protein and a pharmaceutically acceptable carrier, and method of producing a pharmacologically active recombinant fusion protein.

L'invention concerne une composition de substance impliquant une protéine de fusion recombinante comprenant un partenaire de protéine pharmacologiquement actif, et un petit partenaire de domaine de protéine pharmacologiquement inactif d'origine humaine, tel, mais sans s'y limiter, qu'un 10ème domaine de la fibronectine III, un domaine SH3, un domaine SH2, un domaine CH2 d'IgG1, un domaine PDZ, un domaine de répétition de thrombospondine, un domaine d'ubiquitine, un domaine de répétition riche en leucine, un domaine d'en-tête HP35 de villine, un domaine d'en-tête HP76 de villine, ou un fragment ou une modification de l'un quelconque de ceux-ci. Des acides nucléiques (par exemple, des constructions ADN) codant la protéine de fusion, des vecteurs d'expression et des cellules hôtes recombinantes pour l'expression de la protéine de fusion, et des compositions pharmaceutiques contenant la protéine de fusion recombinante et un support pharmaceutiquement acceptable, et un procédé de production d'une protéine de fusion recombinante pharmacologiquement active sont également décrits.

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