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2013 Volume 4 Issue 3

Amelioration of mercuric chloride induced oxidative stress by Hygrophila auriculata (K.Schum) Heine via modulating the oxidant - antioxidant imbalance in rat liver.


Abstract
Medicinal plants and their phytochemical constituents are considered as paramount entity to treat various human ailments. The present study was designed to investigate the effect of ethanolic extract of Hygrophila auriculata on mercury induced oxidative damage in rat liver. Mercuric chloride (HgCl2) (1mg/kg b.w, i.p) was administered three times in a week for two weeks to induce mercury toxicity. Mercury damage to the liver was evident from increase in the activities of marker enzymes such as alanine transaminase (ALT), aspartate transaminase (AST), alkaline phosphatase (ALP) and acid phosphatase (ACP) in serum. The level of lipid peroxidation (LPO) was increased in liver tissue with concomitant decrease in both the enzymic and non-enzymic antioxidants such as superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), reduced glutathione (GSH), vitamin C and vitamin E. The  glutathione  metabolizing  enzymes  viz.,  glutathione  reductase (GR),  glucose-6- phosphatase dehydrogenase  (G6PD) and glutathione  -S- transferase  (GST) were also found to be decreased. Interestingly post treatment with ethanolic extract of Hygrophila auriculata (100 mg/kg b.w, p.o) for 10 days after mercury induction significantly ameliorated the mercury induced oxidative damage which is evidenced by the reduction in the marker enzymes, lipid peroxidation and increase in the antioxidant enzymes and glutathione metabolizing enzymes. Thus, this remarkable hepatoprotective activity of ethonolic extact of the plant could be due to the antioxidant  nature, which scavenge excessive free radicals that were involved in the acceleration of  per-oxidation  reaction  and  the potent membrane protective property which ultimately  render protection to the liver against HgCl2 induced oxidative damage.

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JOURNAL OF BIOCHEMICAL TECHNOLOGY
JOURNAL OF BIOCHEMICAL TECHNOLOGY
Journal of Biochemical Technology is a double-blind peer reviewed International Journal published by the Sevas Publishing on behalf of the Biochemical Technology Society, a Registered Charity Organization from India

AREA OF INTEREST
AREA OF INTEREST
new advances in enzymatic and protein mechanims; applied molecular genetics and biotechnology; genomics and proteomics; metabolic; medical, environmental, food and agro biotechnology.

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FOCUS AND SCOPE
Journal Of Biochemical Technology Provides A Medium For The Rapid Publication Of Full-Length Articles, Mini-Reviews Of New And Emerging Products And Short Communications On All Aspects Of ...

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This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. Keywords include, Biochemical Research: Endo/exocytosis, Trafficking, Membrane Biology, Cell Migration, Cell-Matrix Organelle Biogenesis, Cytoskeleton Proteolysis, Cell Death, Cell Cycle, Cancer, Cell Growth/Death, Differentiation, Drug Targets, Gene Therapy, Models of Disease, Proteomics, Stem Cells, Bioenergetics, Mitochondria, Free Radicals, Redox Signaling, Ion Transport/Channels, Oxidative