Pharmacia & Upjohn Company

Paul S Kaytes

Steven L Roberds

The invention provides a method of identifying a therapeutic useful for treating or preventing asthma, which method includes the steps of contacting a identify compounds that inhibit the binding of human JAK2 protein to the &bgr;,first molecule comprising at least the N terminal 294 residues of JAK2 protein as shown in SEQ ID NO: 5 with a second molecule comprising at least 13 membrane proximal cytoplasmic amino acid residues of the &bgr;,subunit of the IL-3, IL-5, and GM-CSF receptors as shown in SEQ ID NO: 3 in the presence of a candidate compound to subunit of the IL-3, IL-5 and GM-CSF receptors. Compounds that block the signalling pathways of the IL-3, IL-5 and GM-CSF receptors may be of use in the treatment of asthma.

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Lewiston, NY, United States of America

Paul S Kaytes