Journal
ARCHIVES OF PHARMACAL RESEARCH
Volume 26, Issue 6, Pages 466-470Publisher
PHARMACEUTICAL SOCIETY KOREA
DOI: 10.1007/BF02976864
Keywords
Juglans mandshurica; DNA topoisomerases I and II inhibitors
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Nine diarylheptanoids (1-9), one triterpene (10), one sesquiterpenoid (11), one naphthoquinone (12), four tetralones (13-16), one naphthalene carboxylic acid glucoside (17) and six naphthalenyl glycosides (18-23) were isolated from the roots of Juglans mandshurica Maximowicz (Juglandaceae), and their structures determined from the chemical and spectral data. Here, we report the inhibitory effects, on the DNA topoisomerases I and II activities, of all these compounds. Compounds 10 and 23 showed more potent inhibitory effects, on the DNA topoisomerases I and II (94.0 and 86.0% inhibitions at the concentration of 5 mug/mL, respectively), than the positive control compounds, camptothecin and etoposide.
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