Effects of Salvia officinalis and Thymus vulgaris on oxidant-induced DNA damage and antioxidant status in HepG2 cells - Publication - Bridge of Knowledge

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Effects of Salvia officinalis and Thymus vulgaris on oxidant-induced DNA damage and antioxidant status in HepG2 cells

Abstract

Salvia officinalis (SO) and Thymus vulgaris (TV) are medicinal plants well known for their curative powers. However, the molecular mechanisms responsible for these abilities of sage and thyme have not been fully understood yet. In this study we investigated the composition and the quantitative estimation of plant extracts, the protective effects of plant extracts against hydrogen peroxide- and 2,3-dimethoxy-1,4 naphthoquinone-induced DNA damage, and levels of enzymatic and non-enzymatic antioxidants (superoxide dismutase, glutathione peroxidase, glutathione) in human HepG2 cells. To measure antioxidative activity of plant extracts we used three assays: 1,1 diphenyl-2-picrylhydrazyl (DPPH), ferric reducing antioxidant power (FRAP) and 2,20-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS). The results showed that the oxidant-induced DNA lesions were significantly reduced in cells pre-treated with the plant extracts studied. The observed DNA-protective activity could be explained by both elevation of GPx activity in cells pre-treated with SO and TV and antioxidant activity of SO and TV.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
FOOD CHEMISTRY no. 141, edition 3, pages 2198 - 2206,
ISSN: 0308-8146
Language:
English
Publication year:
2013
Bibliographic description:
Kozicsa K., Klusová V., Srancikowa A., Mučaji P., Slamenova D., Hunáková Ľ., Kusznierewicz B., Horváthová E.: Effects of Salvia officinalis and Thymus vulgaris on oxidant-induced DNA damage and antioxidant status in HepG2 cells// FOOD CHEMISTRY. -Vol. 141, iss. 3 (2013), s.2198-2206
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.foodchem.2013.04.089
Verified by:
Gdańsk University of Technology

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