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Information Journal Paper

Title

Inhibition of Monoamine Oxidase by Stilbenes from Rheum palmatum

Pages

  885-892

Abstract

 Seven stilbenes and one catechin were bioactivity-guidedly isolated from the rhizomes of Rheum palmatem. Their structures were identified as piceatannol (1), resveratrol (2), piceid (3), rhapontigenin (4), piceatannol-3´-O-β-D-glucopyranoside (5), rhaponticin (6), catechin (7) and desoxyrhapontigenin (8). Anti-monoamine oxidase (MAO) activities of compounds 1– 8 were tested. Compounds 1 and 8 showed significant MAO inhibitory activities with IC50 values 16. 4 ± 1. 5 μ M and 11. 5 ± 1. 1, respectively, when the IC50 value of iproniazid as a standard was 6. 5 ± 0. 5 μ M. The selectivity of compounds 1-8 against MAO-A and MAO-B were also evaluated. The results showed that compounds 4˴ 6˴ 8 preferred to inhibit MAO-A rather than MAO-B with selectivity values ([IC50 of MAO-B]/ [IC50 of MAO-A]) of 4. 74, 10. 01 and 9. 42, respectively. The preliminary structure– activity relationships (SARs) of these compounds were discussed and the Molecular modeling was also performed to explore the binding mode of inhibitors at the active site of MAO-A and MAO-B.

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    • Cite

    APA: Copy

    Wei, Bo, Yang, Zhong Duo, Shi, Dan Feng, Yao, Xiao Jun, & Wang, Ming Gang. (2016). Inhibition of Monoamine Oxidase by Stilbenes from Rheum palmatum. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), 15(4), 885-892. SID. https://sid.ir/paper/289068/en

    Vancouver: Copy

    Wei Bo, Yang Zhong Duo, Shi Dan Feng, Yao Xiao Jun, Wang Ming Gang. Inhibition of Monoamine Oxidase by Stilbenes from Rheum palmatum. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR)[Internet]. 2016;15(4):885-892. Available from: https://sid.ir/paper/289068/en

    IEEE: Copy

    Bo Wei, Zhong Duo Yang, Dan Feng Shi, Xiao Jun Yao, and Ming Gang Wang, “Inhibition of Monoamine Oxidase by Stilbenes from Rheum palmatum,” IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), vol. 15, no. 4, pp. 885–892, 2016, [Online]. Available: https://sid.ir/paper/289068/en

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