| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Outline of Final Research Achievements |
Micro RNA 33b (miR-33b) contributes to the regulation of cholesterol homeostasis in cooperation with sterol regulatory element-binding protein (SREBP).We transfected a miR-33b inhibitor into hepatitis c virus (HCV) replicon to examine whether the nucleic acid could inhibit HCV replication. We expected that the expression of miR-33b was upregulated in order to make the lipid-rich environment that HCV was easy to replicate. However, the significant difference was not detected in expression of miR-33b not only in HCV replicon cells but also in the liver biopsy specimens of the chronic hepatitis c patients. Because both the expression of HCV protein and the replication of HCV RNA have not changed significantly after transfection of the miR-33b inhibitor, we were not able to find the usefulness of the agent as the new anti-viral drug.
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