| Budget Amount *help |
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
Renal fibrosis is a common feature of CKD, which has no available specific treatment. Previous studies showed that miR-29b inhibits renal fibrosis in mice models. However, an efficient method of kidney-targeted miRNA delivery has yet to be established.
Recombinant adeno-associated virus (rAAV) vectors have great potential for clinical application. The distinct AAV serotypes exhibit different tissue tropisms. For kidney-targeted gene delivery, the most suitable AAV serotype has yet to be established. We found that rAAV6 vector is the most suitable for targeting kidney cells regardless of animal species in vitro and rAAV6 is the most suitable vector for kidney-targeted in vivo gene delivery in mice. Intra-renal pelvic injection of rAAV vectors can transduce genes into kidney TECs. Furthermore, rAAV6-mediated miR-29b delivery attenuated renal fibrosis in UUO model by suppressing Snail1 expression.
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