Planta Med 2017; 83(03/04): 300-305
DOI: 10.1055/s-0042-110858
Natural Product Chemistry and Analytical Studies
Original Papers
Georg Thieme Verlag KG Stuttgart · New York

Phenylethylchromones with In Vitro Antitumor Promoting Activity from Aquilaria filaria

Airi Suzuki
1   School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
,
Katsunori Miyake
1   School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
,
Yohei Saito
1   School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
,
Faradiba Abdul Rasyid
1   School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
,
Harukuni Tokuda
2   Organic Chemistry in Life Science, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Kyoto Japan
,
Misa Takeuchi
1   School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
,
Nobutaka Suzuki
3   Department of Complementary and Alternative Medicine, Clinical R&D, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
,
Eiichiro Ichiishi
4   International Health & Welfare University Hospital, Nasushiobara, Tochigi, Japan
,
Tetsuo Fujie
1   School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
,
Masuo Goto
5   Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina, USA
,
Yohei Sasaki
1   School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
,
Kyoko Nakagawa-Goto
1   School of Pharmaceutical Sciences, College of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan
5   Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina, USA
› Author Affiliations
Further Information

Publication History

received 10 April 2016
revised 02 June 2016

accepted 15 June 2016

Publication Date:
08 July 2016 (online)

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Abstract

A new chromone, 2-(2-hydroxy-2-phenylethyl)chromone (1), was isolated together with ten known phenylethyl chromones from MeOH extracts of agarwood (Aquilaria filaria). The selected compounds were evaluated in an antiproliferative assay against five human tumor cell lines, including a multidrug-resistant cell line. They were also tested for antitumor promoting activity, as mediated by 12-O-tetradecanoylphorbol-13-acetate-induced activation of the Epstein-Barr virus early antigen in Raji cells. Among all compounds, 4′,7-dimethyoxy-6-hydroxychromone (2) displayed broad spectrum antiproliferative activity against all tumor cell lines tested with IC50 values of 25–38 µM, while 8 was selectively inhibitory against multidrug-resistant cells. All tested compounds suppressed tumor promotion at noncytotoxic concentrations. 4′,6-Dihydroxyphenylethylchromone (7) exhibited the most potent effect with an IC50 value of 319 mol ratio relative to 12-O-tetradecanoylphorbol-13-acetate. This study is the first to report the antitumor promoting activity of 2-(2-phenylethyl)chromone derivatives, as well as the selective antiproliferative activity of 8 against a multidrug-resistant tumor cell line.

Supporting Information