Abstract
MiR-122 is a liver-specific microRNA (miRNA) that plays a pivotal role in regulating hepatic functions such as lipid metabolism and stress response. The observation that hepatitis C virus (HCV) could only replicate in miR-122-positive hepatocytes led to the discovery that miR-122 is essential for HCV replication, and miR-122 is now one of the crucial host factors for anti-HCV therapy. Currently, the most advanced miR-122 targeting therapy is SPC3649 (miravirsen), a locked nucleic acid-modified oligonucleotide antagonizing miR-122. This review serves to provide information on the discovery and development of SPC3649, the first miRNA-targeted drug to enter human clinical trials, and introduce other miR-122-targeting therapeutics being developed for hepatitis C.
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Acknowledgments
This work was supported by the Chung-Ang University Excellent Student Scholarship in 2012 and by the National Research Foundation (NRF), funded by the Ministry of Science, ICT, and Future Planning [NRF-2013R1A1A3005097 to H.M.].
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The authors have no conflict of interest in our manuscript.
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Baek, J., Kang, S. & Min, H. MicroRNA-targeting therapeutics for hepatitis C. Arch. Pharm. Res. 37, 299–305 (2014). https://doi.org/10.1007/s12272-013-0318-9
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DOI: https://doi.org/10.1007/s12272-013-0318-9