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Interaction of 7-alkoxycoumarins with the aryl hydrocarbon receptor.
J. Nat. Prod. 80, 1939-1943 (2017)
The aryl hydrocarbon receptor (AhR) is a transcription factor activated by a vast array of natural and synthetic ligands. It plays a pivotal role in numerous physiological and pathological responses, such as cell proliferation and differentiation, induction of xenobiotic metabolizing enzymes, response to environmental toxins, and several others. In this study, we investigated the ability of some natural compounds (oxyprenylated ferulic acid and umbelliferone derivatives) and their semisynthetic analogues (e.g., differently substituted 7-alkoxycoumarins) to activate AhR, using a reporter luciferase assay. Among them, we found that 7-isopentenyloxycoumarin was the best AhR activator. Boropinic acid, 7-but-2'-enyloxycoumarin, 7-(2',2'-dimethyl-n-propyloxy)coumarin, 7-benzyloxycoumarin, and 7-(3'-hydroxymethyl-3'-methylallyloxy)coumarin were also active, although to a lesser extent. All the compounds were also analyzed for their ability to inhibit AhR activation, using a reference ligand, 6-formylindolo[3,2-b]carbazole. Data recorded in the present investigation pointed out the importance of a 3,3-dimethylallyloxy side chain attached to the coumarin ring core as a key moiety for AhR activation.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Ah Receptor; Coumarins; Ligand; Cells; Derivatives; Activation; Expression
ISSN (print) / ISBN
0163-3864
e-ISSN
1520-6025
Zeitschrift
Journal of natural products
Quellenangaben
Band: 80,
Heft: 6,
Seiten: 1939-1943
Verlag
American Chemical Society (ACS)
Verlagsort
Washington, DC
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute for Allergy Research (IAF)