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Toxicol Ind Health. 2014 Aug;30(7):581-97. doi: 10.1177/0748233712457438. Epub 2012 Sep 28.

Testing the efficacy of quercetin in mitigating bisphenol A toxicity in liver and kidney of mice.

Author information

1
Department of Zoology, University School of Sciences, Gujarat University, Ahmedabad, India.
2
Department of Zoology, University School of Sciences, Gujarat University, Ahmedabad, India ramtejverma2000@yahoo.com.
3
Department of Earth and Environmental Sciences, K.S.K.V. Kachch University, Mundra Road, Bhuj, India.

Abstract

Quercetin (3,5,7,3',4'-pentahydroxy flavone) is a potent antioxidant found in various fruits and vegetables. The present investigation was an attempt to evaluate the mitigatory effect of quercetin on the damage caused by bisphenol A (BPA; 2,2-bis (4-hydroxyphenyl) propane), a well-known xenoestrogen, on liver and kidney of mice. Swiss strain adult male albino mice were orally administered with 120 and 240 mg/kg body weight (bw)/day BPA with or without quercetin (60 mg/kg bw/day) for 30 days. On the completion of the treatment period, animals were killed; organs were isolated and used for the study. Results revealed that oral administration of BPA for 30 days caused significant and dose-dependent decrease in body weight. Absolute and relative organ weights, total lipid and cholesterol contents were significantly increased in liver and kidney of mice when compared with vehicle control. BPA treatment also caused, when compared with vehicle control, a statistically significant reductions in the activities of catalase, superoxide dismutase, glutathione peroxidase, glutathione reductase and glutathione-S-transferase as well as in glutathione and total ascorbic acid contents; however, significant increase was found in malondialdehyde (MDA) levels. Histopathological studies revealed hepatocellular necrosis, cytoplasmic vacuolization and decrease in hepatocellular compactness in liver as well as distortion of the tubules, increased vacuolization, necrosis and disorganization of glomerulus in the kidney of BPA-treated mice. All these effects were dose-dependent. Co-treatment with quercetin (60 mg/kg bw) and BPA (low dose and high dose) alleviates the changes in body weight, as well as absolute and relative organ weights of mice. It also ameliorates the oxidative stress created by BPA by lowering MDA levels and by increasing enzymatic and nonenzymatic antioxidants as well as it brings back the normal histoarchitecture of liver and kidney of mice. The present results revealed that graded doses of BPA caused oxidative damage in liver and kidney of mice, which is mitigated by quercetin.

KEYWORDS:

Bisphenol A; kidney; liver; mice; quercetin

PMID:
23024108
DOI:
10.1177/0748233712457438
[Indexed for MEDLINE]

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