| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Research Abstract |
SAP-1 is a receptor-type tyrosine phosphatase that is specifically expressed at the microvillus of intestinal epithelial cells. In this study, the physiological and pathological roles of SAP-1 in the intestine were examined. I showed that the deficiency of Sap1 contributes to enhance colitis in IL-10 knockout mice, a mouse model for inflammatory bowel disease. I found that p100, a membrane protein, is a novel substrate for SAP-1 in the intestinal epithelial cells. Furthermore, I also found that SAP-1/p100 signal might be involved in the regulation of intestinal immunity through the production of chemokines by intestinal epithelial cells.
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