Chimeric heteromultimer adhesins

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/62 (2006.01) A61K 38/18 (2006.01) A61K 39/395 (2006.01) C07K 14/475 (2006.01) C07K 14/71 (2006.01) C07K 14/82 (2006.01) C07K 16/30 (2006.01) C07K 16/32 (2006.01) C07K 19/00 (2006.01) C12N 15/18 (2006.01) G01N 33/566 (2006.01) G01N 33/574 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2258721

Chimeric heteromultimer adhesins that bind the ligand of natural heteromultimeric receptors and uses therefor are disclosed. The chimeric molecules of the heteromultimer adhesins comprise an extracellular domain of a heteromultimeric receptor monomer and a multimerization domain for the stable interaction of the chimeric mollecules in the adhesin. Specifically disclosed are heteromultimeric adhesins comprising the extracellular domains of ErbB2 and ErbB3 or ErbB2 and ErbB4. The chimeric ErbB heteromultimer adhesins of the present invention are useful as competitive antagonists or agonists of a neuregulin for the treatment of diseases such as various cancers.

L'invention concerne des adhésines hétéromultimères chimériques qui fixent le ligand de récepteur hétéromultimère naturel, ainsi que leur utilisation. Les molécules chimériques des adhésines hétéromultimères comprennent un domaine extracellulaire d'un monomère récepteur hétéromultimère et un domaine de multimérisation pour l'interaction stable des molécules chimériques dans l'adhésine. L'invention décrit en particulier des adhésines hétéromultimères qui comprennent les domaines extracellulaires de ErbB2 et ErbB3 ou ErbB2 et ErbB4. Les adhésines hétéromultimères chimériques ErbB de la présente invention sont utiles en tant qu'antagonistes ou agonistes compétitifs d'une neuréguline pour le traitement de maladies telles que divers cancers.

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