Il-1 biological activity inhibitors

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 14/545 (2006.01) A61K 38/20 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2046303

Disclosed axe novel muteins of IL-1 compounds which can be used to regulate excess IL-I produced in various diseases in humans and animals. The IL-1 muteins can be prepared by site-directed mutagenesis whereby a positively charged residue is replaced with a negatively charged or neutral residue at a designated position in the molecule. The resulting IL-1 muteins have reduced biological activity but retain receptor binding affinity.

Nouvelles mutéines de composés d'IL-1 qui peuvent servir à corriger les excédents d'IL-1 produits dans le cas de plusieurs maladies de l'homme et des animaux. Ces mutéines d'IL-1 peuvent être préparées par mutagenèse dirigée sur un site particulier, un résidu à charge positive étant remplacé par un résidu à charge négative ou un résidu neutre en une position déterminée de la molécule. Les mutéines d'IL-1 qui en résultent voient leur activité biologique réduite tout en conservant leur affinité de liaison au récepteur.

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