| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2010: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Research Abstract |
Some microRNAs important for activation and collagen production of stellate cells were identified. Among them, we showed that miR-29b is one of regulators of type I collagen mRNA and protein expression. Moreover, miR-29b downregulated in mouse activated stellate cells in vitro. Overexpression of miR-29b in mouse stellate cells not only decreased type I collagen mRNA and protein expression, but also inhibited stellate cell activation. We suggested that targeted genes of miR-29b were not only collagen 1A1 but stellate cell activation-related genes.
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