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PostPosted: Mon Nov 05, 2012 11:21 am 
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Joined: Thu Dec 20, 2007 7:23 pm
Posts: 810
Location: Kingston
Quote:
m1 kinase is involved in many signaling pathways and is expressed in T cells and eosinophils, cell types linked to allergic diseases. Runx3 is a transcription factor associated with the regulation of T cells.

In a mouse model of food allergy, the researchers found that Pim1 kinase levels increased in the intestines of allergic mice that had been fed peanuts, as did various inflammatory cells and levels of cytokine molecules associated with allergies. Levels of Runx3 mRNA, however, dropped significantly in the allergic mice. When researchers administered a small molecule that inhibits the activity of Pim 1 kinase, mice no longer experienced diarrhea and other symptoms associated with their peanut allergy.

Plasma levels of histamine, a potent cause of allergy symptoms, dropped to almost baseline levels after administration of AR460770, which is produced by Array Biopharma. Inflammatory mast cells, eosinophils, and CD4 and CD8 T cells all increased only slightly in response to peanuts. Levels of several cytokine signaling molecules associated with allergies, IL-4, IL-6 and IL-13, also dropped after treatment with the Pim 1 inhibitor. Runx3 mRNA, rose back to near baseline levels.


http://www.nationaljewish.org/about/med ... 2012/pim1/

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