| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Research Abstract |
We studied human airway epithelial cells and found that stimulation with TGFα, a ligand of epidermal growth factor receptor (EGFR), increased the expression of genes and proteins of MUC5AC and Bcl-2, and that these effects were inhibited by EGFR and NFκB inhibitors. Furthermore, mucus hypersecretion and airway hyperresponsiveness in the rat model of asthma were attenuated by pretreatment with an EGFR inhibitor. These results suggest that EGFR may play an important role as a signal transduction molecule in airway goblet cell hyperplasia.
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