Journal
BIOMEDICINE & PHARMACOTHERAPY
Volume 87, Issue -, Pages 653-660Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2016.12.104
Keywords
Aspirin; Citral; Cytotoxicity; Oxidative stress; MAPK; IEC-6 cells
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Citral, 3,7-dimethyl-2,6-octadienal, is a key component of several essential oils extracted from lemon-scented herbal plants. The present study was designed to investigate the antioxidant activities of citral and assess its possible protective effects against aspirin-induced toxicity in vitro. We used IEC-6 cells (rat small intestine epithelial cells). The antioxidant activities were determined by 1,1-diphenyl-2-picrylhydrazyl (DPPH), b-carotene/linoleic acid and Ferric reducing antioxidant power (FRAP). Cytotoxicity was evaluated by cell viability, anti-oxidant enzyme activities, malondialdehyde (MDA) production and by the expression of MAPKs (Mitogen-Activated Protein Kinases) pathways. According to results, citral showed an important antioxidant activity. It inhibited the oxidation of linoleic acid, a moderate DPPH was found and it showed a Ferric reducing antioxidant potential with an EC50 value of 125 +/- 28.86 mu g/mL. Then, the co-treatment of aspirin with citral significantly decreased the aspirin-induced cell death, and the MDA level. It modulated the superoxide dismutase (SOD) and glutathione (GSH) activities. Also, the activation of MAPKs was attenuated by citral. These findings suggest that citral can protect IEC-6 cells against aspirin-induced oxidative stress that may help to discover new chemicals out of natural antioxidant substances. (C) 2016 Elsevier Masson SAS. All rights reserved.
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