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Anti-HCV activity of the Chinese medicinal fungus Cordyceps militaris.
Ueda, Youki; Mori, Kyoko; Satoh, Shinya; Dansako, Hiromichi; Ikeda, Masanori; Kato, Nobuyuki.
Afiliación
  • Ueda Y; Department of Tumor Virology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama 700-8558, Japan.
  • Mori K; Department of Tumor Virology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama 700-8558, Japan.
  • Satoh S; Department of Tumor Virology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama 700-8558, Japan.
  • Dansako H; Department of Tumor Virology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama 700-8558, Japan.
  • Ikeda M; Department of Tumor Virology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama 700-8558, Japan.
  • Kato N; Department of Tumor Virology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Okayama 700-8558, Japan. Electronic address: nkato@md.okayama-u.ac.jp.
Biochem Biophys Res Commun ; 447(2): 341-5, 2014 May 02.
Article en En | MEDLINE | ID: mdl-24726408
Persistent hepatitis C virus (HCV) infection causes chronic liver diseases and is a global health problem. Although the sustained virologic response rate in the treatment of genotype 1 using new triple therapy (pegylated-interferon, ribavirin, and telaprevir/boceprevir) has been improved by more than 70%, several severe side effects such as skin rash/ageusia and advanced anemia have become a problem. Under these circumstances, a new type of anti-HCV oral drug with few side effects is needed. Our recently developed HCV drug assay systems, including the HuH-7 cell line-derived OR6 and AH1R, and the Li23 cell line-derived ORL8 and ORL11, allow genome-length HCV RNAs (several strains of genotype 1b) encoding renilla luciferase to replicate efficiently. Using these systems as anti-HCV candidates, we have identified numerous existing medicines that can be used against HCV with few side effects, such as statins and teprenon. To obtain additional anti-HCV candidates, we evaluated a number of oral health supplements, and found that the capsule but not the liquid form of Cordyceps militaris (CM) (Ascomycotinanorth, North Chinese caterpillar fungus), which is used as a Chinese herbal medicine, exhibited moderate anti-HCV activity. In combination with interferon-α or ribavirin, CM exhibited an additive inhibitory effect. Among the main components of CM, cordycepin, but not ergosterol, contributed to the anti-HCV activity of CM. In consideration of all these results, we suggest that CM would be useful as an oral anti-HCV agent in combination with interferon-α and/or ribavirin.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Antivirales / Medicamentos Herbarios Chinos / Desoxiadenosinas / Hepacivirus / Cordyceps / Cápsulas Fúngicas Límite: Humans Idioma: En Revista: Biochem Biophys Res Commun Año: 2014 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Antivirales / Medicamentos Herbarios Chinos / Desoxiadenosinas / Hepacivirus / Cordyceps / Cápsulas Fúngicas Límite: Humans Idioma: En Revista: Biochem Biophys Res Commun Año: 2014 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos