Abstract
RNA interference (RNAi) is widely used as a screening tool for the identification of host genes involved in viral infection. Due to the limitation of raw small interfering RNA (siRNA), we tested two commonly used short hairpin RNA (shRNA) lentiviral libraries to identify host factors involved in hepatitis C virus (HCV) infection. It was found that these shRNA library vectors caused non-specific disturbance of HCV replication that was not due to toxicity or interferon response, but related to the high shRNA levels disturbing the endogenous microRNA biogenesis. The high shRNA levels achieved with these vectors reduced the levels of mature microRNAs, including miR-122 known to promote HCV replication. Our findings extend the caution of potential off-target effects of lentiviral shRNA libraries which appear unsuitable to screen microRNA regulated phenotypes, such as HCV replication. (C) 2011 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved
| Original language | English |
|---|---|
| Pages (from-to) | 1025-1030 |
| Journal | FEBS letters |
| Volume | 585 |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - 2011 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
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