Journal
CHEMICO-BIOLOGICAL INTERACTIONS
Volume 177, Issue 3, Pages 227-233Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.cbi.2008.08.017
Keywords
Arsenic; Allium sativum; Oxidative stress; Antioxidant; Garlic
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Garlic is well known as a folk remedy for a variety of ailments since ancient times, however, very few studies are available suggesting its beneficial role against arsenic toxicity pertaining to its ability to eliminate arsenic from the blood and soft tissues and in reversal of arsenic-induced oxidative stress in affected tissues. The present study was planned to investigate the protective efficacy of aqueous garlic extract using two different doses on parameters Suggestive of hepatic injury, tissue oxidative stress and mobilization of arsenic. Further, an attempt to understand the mechanism of arsenic in inducing hepatic apoptosis was also studied. Results of the present study suggested that arsenic administration in mice caused generation of reactive oxygen species (ROS) causing apoptosis through mitochondria-mediated pathway. The ROS generation in hepatic tissue reverted to normal values after co-administration of garlic extracts. The study provides significant evidence that garlic extracts contain strong anti-oxidant property which could be beneficial in preventing arsenic-induced toxicity in cells. However, further research is required to determine whether the results from animal studies are applicable to humans before garlic can be recommended as a putative agent against arsenic toxicity. (C) 2008 Elsevier Ireland Ltd. All rights reserved.
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