Method of identifying a compound that selectively inhibits...

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...

Reexamination Certificate

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C435S040500

Reexamination Certificate

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07390630

ABSTRACT:
A method of identifying a compound with efficacy in the treatment of chronic inflammatory disease by testing the compound for an ability to selectively inhibit the ability of Tckcells to induce pro-inflammatory cytokine release from a monocyte is disclosed. The method includes pre-incubatin Tckcells with a compound to be tested, optionally resuspending the Tckcells in the absence of the test compound, co-culturing the Tckcells with monocytes, and assaying for the production of pro-inflammatory cytokines by the monocytes. The Tckcells are produced by incubating a population of T cells with one or more cytokines or the Tckcells are isolated from synovial tissue. The Tckcells have not been contacted with an anti-CD3 antibody. The ability to selectively inhibit cytokine release indicates that the compound has efficacy in the treatment of chronic inflammatory disease.

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