The in-vitro Effects of Arbidol Hydrochloride Against 2009 New Influenza Virus A (H1N1) |
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Authors: | Xing-Quan Zhang Jun-Peng Dai Bai-Qiang Cai |
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Institution: | Infectious Disease Division, Medical School, University of California, San Diego L Jolla CA 92093,USA. |
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Abstract: | Objective To detect the in-vitro effects of arbidol hydrochloride against 2009 new influenza virus A (H1N1). Methods The activity of arbidol hydrochloride against 2009 new influenza virus A (H1N1) was determined in MDCK cell cultures. Hemagglutination assay, observation of cytopathic effects, RT-PCR and quantitative RT-PCR tests were performed for determination of virus titers. Inhibition concentration 50% and cytotoxic concentration 50% were calculated with Chou's Menu of Dose-Effect Program. Results Arbidol hydrochloride showed low cytotoxicity (cytotoxic concentration 50%>100 μmol/L)and significant anti-2009 new influenza virus A (H1N1) activity in cell cultures. Inhibition concentration 50% were (5.5±0.9), (3.4±0.8), and (1.5±0.2) μmol/L in hemagglutination assay, cytopathic effect test, and quantitative RT-PCR assay, respectively. Conclusion Arbidol has low cytotoxicity and high anti-virus activity and can effectively trigger the activities of interferon and immune response, and therefore can be a valuable anti-influenza virus drug. |
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