Treating inflammation using a biological agent that causes...

A - Human Necessities – 61 – K

Patent

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Details

A61K 38/43 (2006.01) A61P 19/02 (2006.01) A61P 29/00 (2006.01) C07K 14/00 (2006.01)

Patent

CA 2540006

This disclosure describes inventions related to the use of biological agents that cause cytokine receptors to be released from the surface of cells. One aspect of this invention is based on the unexpected finding that extending the length of an exemplary agent at the N-terminus enhances expression and production of the product by at least 10~fold. The extended protein can be used to prepare pharmaceutical compositions for treating inflammatory conditions such as rheumatoid arthritis. Another aspect of this invention is based on the identification of biological agents that cause release of cytokine receptors not previously known as natural enzyme targets, such as the IL-1 Type I receptor, IL-1 Type 11 receptor and the IL-6 receptor. This disclosure provides products, assays, expression systems, purification methods, and production protocols useful for developing cytokine receptor releasing proteins as therapeutic agents.

La présente invention concerne l'utilisation d'agents biologiques provoquant la libération de récepteurs de cytokines depuis la surface de cellules. Un aspect de cette invention se fonde sur la découverte inattendue selon laquelle la longueur d'un agent exemplaire au N-terminal améliore, de l'ordre de 10, l'expression et la production du produit. La protéine prolongée peut être utilisée pour préparer des compositions pharmaceutiques permettant de traiter des états inflammatoires, tels que l'arthrite rhumatoïde. Un autre aspect de cette invention est fondé sur l'identification d'agents biologiques provoquant la libération de récepteurs de cytokines jusqu'alors inconnus en tant que cibles enzymatiques naturelles, tels que le récepteur IL-1 de type I, le récepteur IL-1 de type 11 et le récepteur IL-6. La présente invention concerne également des produits, des dosages biologiques, des systèmes d'expression, des méthodes de purification et des protocoles de production utilisés pour développer des protéines libérant des récepteurs de cytokines en tant qu'agents thérapeutiques.

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