| Budget Amount *help |
¥18,850,000 (Direct Cost: ¥14,500,000、Indirect Cost: ¥4,350,000)
Fiscal Year 2011: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2010: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2009: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
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| Research Abstract |
Function of food factors that modulate immune-regulatory functions of intestinal epithelial cells(IEC) was analyzed. Carnosine enhanced the cytokine secretion from IEC stimulated with bacterial components. The supernatant of the IEC upregulated IgA production by B cells derived from mouse lamina propria. Oral administration of carnosine increased the amount of IgA in mucosa of the mouse small intestine. We also found that bifidobacteria upregulated the expression of a transcytotic carrier protein for IgA in IEC, that oral administration of lactobacilli induced regulatory T cells and enhanced oral tolerance induction, and that naringenin has the capacity to induce regulatory T cells.
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