Monoclonal antibody against interleukin-13 receptor alpha 1...

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 16/28 (2006.01) A61K 39/395 (2006.01) C12N 5/20 (2006.01)

Patent

CA 2480059

The present invention relates generally to antibodies that bind to the Interleukin-13 receptor .alpha.1 chain (IL-13R.alpha.1) and antagonize IL-13 receptor-mediated signaling by IL-13 and/or IL-4. More particularly, the present invention provides humanized or human antibodies to mammalian and in particular IL-13R.alpha.1. These antibodies have uses in the treatment or prevention of IL-13- and/or IL-4-mediated diseases or conditions. The present invention further contemplates a method of modulating IL-13- and/or IL-4- mediated diseases or conditions by the administration of the subject antibodies. The present invention further provides an assay system useful for identifying antibodies or other agents which modulate IL-13 and/or IL-4 signaling through an IL-13 receptor complex. Accordingly, a method of screening for modulators of IL-13R.alpha.1/ligand interaction is also provided.

L'invention concerne d'une manière générale des anticorps qui se lient à la chaîne du récepteur .alpha.1 de l'Interleukine 13 (IL-13R.alpha.1) et s'opposent à la signalisation induite par le récepteur de IL-13 par IL-13 et/ou IL-4. Plus précisément, l'invention concerne des anticorps humanisés ou humains destinés aux mammifères et en particulier IL-13R.alpha.1. Ces anticorps ont des applications dans le traitement ou la prévention de maladies ou d'états induits par IL-13 et/ou IL-4. Elle concerne en outre un procédé permettant de moduler des maladies ou états induits par IL-13 et/ou IL-4 par administration desdits anticorps. Elle concerne par ailleurs un système d'analyse qui permet d'identifier des anticorps ou d'autres agents qui modulent la signalisation de IL-13 et/ IL-4 par le biais d'un complexe récepteur d'IL-13. En conséquence, l'invention concerne également un procédé de criblage conçu pour modulateurs de l'interaction IL-13R.alpha.1/ligand.

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