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pubmed:abstractText |
Chronic infection with hepatitis B virus (HBV) is widespread because of the limited availability of therapeutic treatments. Although previous reports have suggested that RNA interference has promise as a treatment for HBV infection, further studies of long-term and off-target drug effects on HBV, especially on drug-resistant strains of HBV, are needed. Therefore, seven vectors that express short hairpin RNAs (shRNAs), driven by the polymerase II promoter, pSilencer4.1/HBV, were constructed to target open reading frames (ORFs) of the HBV C and S genes from wild-type and drug-resistant strains. Treatment efficiency was also assessed.
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