Methods for treating and preventing fibrosis by il-21 /...

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 14/715 (2006.01) A61K 38/17 (2006.01) A61K 39/395 (2006.01) A61P 17/02 (2006.01) C07K 16/24 (2006.01) C07K 16/28 (2006.01)

Patent

CA 2604604

The present invention provides methods of screening for compositions useful for treating, ameliorating, or preventing fibrosis and/or fibrosis-associated conditions by measuring changes in the level(s) of IL-21 and/or IL-21 receptor (IL-21R) (e.g., the level of expression of IL-21 and/or IL-21 R protein and/or mRNA, the level of activity of IL-21 and/or IL-21R, the level of interaction of IL-21 with IL-21R). The invention further provides antagonists of IL-21 or IL-21R for the treatment of fibrosis and/or fibrosis-associated conditions. Further provided herein are methods of diagnosing, prognosing, and monitoring the progress (e.g., the course of treatment) of fibrosis and/or fibrosis- associated conditions by measuring the level of IL-21 and/or IL-21R (i.e., the level of activity of IL-21 and/or IL-21R, the level of expression of IL-21 and/or IL-21R (e.g., the level of IL-21 and/or IL-21 R gene products), and/or the level of interaction of IL-21 with IL-21R).

L'invention concerne des méthodes de criblage de compositions utiles dans le traitement, l'atténuation ou la prévention de la fibrose et/ou des états associés à la fibrose, par mesure des changements dans le/les niveau(x) d'IL-21 et/ou du récepteur d'IL-21 (IL-21R) (par exemple, le niveau d'expression de la protéine et/ou de l'ARNm d'IL-21 et/ou d'IL-21 R, le niveau d'activité d'IL-21 et/ou d'IL-21R, le niveau d'interaction d'IL-21 et d'IL-21R). L'invention concerne également des antagonistes d'IL-21 ou d'IL-21R utiles dans le traitement de la fibrose et/ou des états associés à la fibrose. L'invention concerne encore des méthodes de diagnostic, de pronostic et de contrôle de l'évolution (le cours du traitement, par exemple) de la fibrose et/ou des états associés à la fibrose, par mesure du niveau d'IL-21 et/ou d'IL-21R (à savoir, le niveau d'activité d'IL-21 et/ou d'IL-21R, le niveau d'expression d'IL-21 et/ou d'IL-21R (le niveau de produits géniques d'IL-21 et/ou d'IL-21R, par exemple), et/ou le niveau d'interaction d'IL-21 et d'IL-21R).

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