Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 498381
Title Evaluation of the antigenotoxic effects of the royal sun mushroom, agaricus brasiliensis (Higher basidiomycetes) in human lymphocytes treated with thymol in the comet assay
Author(s) Radaković, Milena; Stevanović, Jevrosima; Soković, Marina; Radović, Dejan; Griensven, Leo J.L.D. Van; Stanimirović, Zoran
Source International Journal of Medicinal Mushrooms 17 (2015)4. - ISSN 1521-9437 - p. 321 - 330.
Department(s) PRI BIOS Applied Metabolic Systems
Publication type Refereed Article in a scientific journal
Publication year 2015
Keyword(s) Agaricus brasiliensis - Comet assay - Human lymphocytes - Medicinal mushrooms - Quercetin - Thymol

The aim of this investigation was to evaluate the possible protective activity of Agaricus brasiliensis (=A. blazei sensu Murrill) ethanol extract against thymol-induced DNA damage in human lymphocytes. Before we studied the possible interaction of thymol and A. brasiliensis extract, each component was tested in the comet assay. Thymol significantly increased DNA damage in human lymphocytes at higher concentrations (20, 50, 100, 150, and 200 μg/mL), whereas no genotoxic effect of A. brasiliensis ethanol extract was observed. In simultaneous treatment with thymol (200 μg/mL) and A. brasiliensis ethanol extract (50, 100, 150, and 200 μg/mL), the latter failed to reduce a thymol-induced DNA damaging effect regardless of the applied concentrations. To confirm that thymol induces DNA damage via reactive oxygen species, we performed cotreatment with quercetin. Cotreatment with quercetin (100 and 500 μmol/L) significantly reduced DNA damage caused by thymol (200 μg/mL), indicating that thymol exhibits genotoxicity mainly through induction of reactive oxygen species.

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