Abstract
We have examined the antiviral activity of a crude extract prepared from the culture medium of the fungus Metarhizium anisopliae. Eight active destruxins were identified which showed strong suppressive effect on the production of the hepatitis B surface antigen (HBsAg) in human hepatoma Hep3B cells. One new compound, desmethyldestruxin B2 [1], was isolated from M. anisopliae. This structure was determined based on its nmr and mass spectral data.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Animals
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Culture Media
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Hepatitis B Surface Antigens / biosynthesis*
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Humans
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Liver Neoplasms, Experimental / metabolism*
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Magnetic Resonance Spectroscopy
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Mass Spectrometry
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Mitosporic Fungi / chemistry*
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Peptides, Cyclic / chemistry
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Peptides, Cyclic / isolation & purification
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Peptides, Cyclic / pharmacology*
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Tumor Cells, Cultured
Substances
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Culture Media
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Hepatitis B Surface Antigens
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Peptides, Cyclic
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desmethyldestruxin B2