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Inhibition of [methyl-3H]diazepam binding to rat brain membranes in vitro by dinatin and skrofulein

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Author

Summary, in English

Two flavones, 4',5,7-trihydroxy-6-methoxy flavone (dinatin) and 4',5-dihydroxy-6, 7-dimethoxy flavone (skrofulein), were extracted from Artemisia herba alba L. Dinatin and skrofulein inhibited the binding of [methyl-3H]diazepam to rat brain membranes in vitro with IC50 of 1.3 and 23 mumol.L-1, respectively. The GABA-ratios (the ratio of IC50 values in the absence/presence of GABA in the binding assay) were 1.1 and 1.2 for dinatin and skrofulein, respectively. Both flavones induced a slight increase in [35S] TBPS binding. The data suggest that the flavones are antagonists or partial agonists of benzodiazepine receptors.

Publishing year

1994

Language

English

Pages

385-388

Publication/Series

Zhongguo Yaoli Xuebao (China)

Volume

15

Issue

5

Document type

Journal article

Publisher

Nature Publishing Group

Topic

  • Dermatology and Venereal Diseases

Status

Published

ISBN/ISSN/Other

  • ISSN: 0253-9756