Compositions and methods of treating disease with fgfr...

C - Chemistry – Metallurgy – 12 – N

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C12N 15/62 (2006.01) C07K 14/71 (2006.01)

Patent

CA 2614039

The invention provides FGFR fusion proteins, methods of making them, and methods of using them to treat proliferative disorders, including cancers and disorders of angiogenesis. The FGFR fusion molecules can be made in CHO cells and may comprise deletion mutations in the extracellular domains of the FGFRs which improve their stability. These fusion proteins inhibit the growth and viability of cancer cells in vitro and in vivo. The combination of the relatively high affinity of these receptors for their ligand FGFs and the demonstrated ability of these decoy receptors to inhibit tumor growth is an indication of the clinical value of the compositions and methods provided herein.

L'invention porte sur des protéines de fusion FGFR, sur des procédés de fabrication et sur des procédés d'utilisation desdites protéines pour traiter des troubles prolifératifs, y compris des cancers et des troubles de l'angiogenèse. Les molécules de fusion FGFR peuvent être produites dans des cellules CHO et peuvent comprendre des mutations par délétion dans les domaines extracellulaires des FGFR qui améliorent leur stabilité. Ces protéines de fusion empêchent la croissance et la viabilité des cellules cancéreuses in vitro et in vivo. L'affinité relativement élevée de ces récepteurs avec leurs ligands FGF combinée à la capacité démontrée de ces récepteurs leurres à empêcher le développement de la tumeur, constituent une indication de la valeur clinique des compositions et des procédés décrits dans l'invention.

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