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Open Access Research article

Protective effect of rutin on the antioxidant genes expression in hypercholestrolemic male Westar rat

Salem S Al-Rejaie, Abdulaziz M Aleisa, Mohamed M Sayed-Ahmed, Othman A AL-Shabanah, Hatem M Abuohashish, Mohammed M Ahmed, Khaled A Al-Hosaini and Mohamed M Hafez*

Author Affiliations

Department of pharmacology and toxicology; College of pharmacy, King Saud University, Riyadh, Kingdom of Saudi Arabia

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BMC Complementary and Alternative Medicine 2013, 13:136  doi:10.1186/1472-6882-13-136

Published: 17 June 2013

Abstract

Background

High-cholesterol diet (HCD) increases the oxidative stress in different tissues leading to many diseases. Rutin (RT) is a natural flavonoid (vitamin p), which possesses an antioxidant activity with protective potential. The present study aimed to examine the potential effects of rutin on hypercholesterolemia-induced hepatotoxicity in rat.

Methods

Male Wistar rats were divided into four groups: GI) control (Rat chow), GII) Rutin (0.2% in rat chow), GIII) HCD (1% cholesterol and 0.5% cholic acid in rat chow) and GIV) rutin (0.2%) + HCD.

Results

Rutin in combination with HCD induced a significant protective effect against the hepatotoxicity by reducing the plasma level of alanine transaminase (ALT), aspartate aminotransferase (AST), triglyceride (TG), total cholesterol (TC), and low-density lipoprotein (LDL). The HCD (GII) showed a decrease in glutathione peroxidase (GPx), glutathione reductase (GR) and increase in glutathione S transferase α (GSTα), sulfiredoxin-1(Srx1), glutamate-cysteine ligase (GCL) and paraoxonase-1(PON-1) genes expression levels.

Conclusion

Treatment with rutin reversed all the altered genes induced by HCD nearly to the control levels. The present study concluded that the HCD feedings altered the expression levels of some genes involved in the oxidative stress pathway resulting in DNA damage and hepatotoxicity. Rutin have a hepatoprotective effect through the mechanism of enhancing the antioxidant effect via amelioration of oxidative stress genes.

Keywords:
Hypercholesterolemic liver; Rutin; Oxidative stress genes; Real time PCR