Protective Role of Cynodon dactylon in Ameliorating the Aluminium-Induced Neurotoxicity in Rat Brain Regions |
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Authors: | Thangarajan Sumathi Chandrasekar Shobana Balasubramanian Rathina Kumari Devarajulu Nisha Nandhini |
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Affiliation: | Department of Medical Biochemistry, Dr. ALM Post-Graduate Institute of Basic Medical Sciences, University of Madras, Taramani Campus, Chennai, 600 113, Tamil Nadu, India. sumsthangarajan@gmail.com |
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Abstract: | Cynodon dactylon (Poaceae) is a creeping grass used as a traditional ayurvedic medicine in India. Aluminium-induced neurotoxicity is well known and different salts of aluminium have been reported to accelerate damage to biomolecules like lipids, proteins and nucleic acids. The objective of the present study was to investigate whether the aqueous extract of C. dactylon (AECD) could potentially prevent aluminium-induced neurotoxicity in the cerebral cortex, hippocampus and cerebellum of the rat brain. Male albino rats were administered with AlCl(3) at a dose of 4.2?mg/kg/day i.p. for 4?weeks. Experimental rats were given C. dactylon extract in two different doses of 300?mg and 750?mg/keg/day orally 1?h prior to the AlCl(3) administration for 4?weeks. At the end of the experiments, antioxidant status and activities of ATPases in cerebral cortex, hippocampus and cerebellum of rat brain were measured. Aluminium administration significantly decreased the level of GSH and the activities of SOD, GPx, GST, Na(+)/K(+) ATPase, and Mg(2+) ATPase and increased the level of lipid peroxidation (LPO) in all the brain regions when compared with control rats. Pre-treatment with AECD at a dose of 750?mg/kg b.w increased the antioxidant status and activities of membrane-bound enzymes (Na(+)/K(+) ATPase and Mg(2+) ATPase) and also decreased the level of LPO significantly, when compared with aluminium-induced rats. The results of this study indicated that AECD has potential to protect the various brain regions from aluminium-induced neurotoxicity. |
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