| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
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: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Research Abstract |
In amphibians, Xenopus is advantageous because we can prepare numerous transgenic animals efficiently. I aimed at recovery of limb regeneration in metamorphosed Xenopus, which has only restricted regenerative capacity of a limb. I modified the gene manipulation protocols to achieve effective control of gene expression at the beginning. Then, I examined the role of Wnt/β-catenin signaling in the initiation of limb regeneration and indicated the different mechanisms of limb regeneration initiation in tadpoles and young adults with reference to Wnt/β-catenin signaling. Finally, I found that the activation of Wnt/β-catenin signaling can rescue the loss of regenerative capacity in denervated limb of a young adult frog, which cannot regenerate at all originally.
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