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环境病理学,毒理学和肿瘤学期刊
影响因子: 1.625 5年影响因子: 1.63 SJR: 0.402 SNIP: 0.613 CiteScore™: 2.3

ISSN 打印: 0731-8898
ISSN 在线: 2162-6537

环境病理学,毒理学和肿瘤学期刊

DOI: 10.1615/JEnvironPatholToxicolOncol.2016014527
pages 109-120

Heavy Metal−Induced Systemic Dysfunction Attenuated by Tannic Acid

Mohammad Ashafaq
Department of Medical Elementology and Toxicology, Jamia Hamdard (Hamdard University), New Delhi 110062, India
Pooja Sharma
Department of Medical Elementology and Toxicology, Jamia Hamdard (Hamdard University), New Delhi 110062, India
Saima Khatoon
Department of Medical Elementology and Toxicology, Jamia Hamdard (Hamdard University), New Delhi 110062, India
Dilruba Haque
Department of Medical Elementology and Toxicology, Jamia Hamdard (Hamdard University), New Delhi 110062, India
Heena Tabassum
Division of Biomedical Sciences, Indian Council of Medical Research, Ministry of Health and Family Welfare, Government of India, V. Ramalingaswamy Bhawan, New Delhi 110029, India
Suhel Parvez
Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India

ABSTRACT

Lead toxicity is a major public health concern. This study was designed to investigate the effects of oral administration of tannic acid (TA) on lead acetate (LA)−induced oxidative stress in rat liver and kidney. Rats were treated with 50 mg/kg body weight of TA against LA-induced oxidative stress 3 times/week for 2 weeks. At a rate of 50 mg/kg of body weight, LA was given intraperitoneally 3 times/week for 2 weeks. Results show significantly elevated levels of oxidative stress markers observed in LA-treated rats, whereas significant depletion in the activity of nonenzymatic and enzymatic antioxidants as well as histological changes were observed in LA-treated rat liver and kidney. TA treatment significantly attenuated the altered levels of oxidative stress biomarkers for nonenzymatic and enzymatic antioxidants. We demonstrated that TA exhibits potent antioxidant and protected against oxidative damage in rat liver and kidney induced by LA treatment. These findings were further supported by histopathological findings in liver and kidney showing that TA protected tissue from the deleterious effects of LA treatment. These outcomes suggest that the consumption of TA may confer a protective effect against lead intoxication through its antioxidative effect.


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