| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2009: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Research Abstract |
We developed novel lentiviral vectors by using "Tet-Off system" and succeeded in achieving high-level and neuron-specific gene transduction in vivo. One week after viral injection into the rat neostriatum, the GFP expression was almost completely neuron-specific and about 40 times higher than the expression of a conventional lentiviral vector. High transcriptional activity and neuronal specificity were sustained for up to 8 weeks. Furthermore, neuronal processes of the infected neurons were efficiently visualized by adding a plasma membrane-targeting signal to GFP. These results suggest that the present method is valuable for strong gene transduction and clear visualization of neurons in vivo.
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