doi:10.1006/phrs.1998.0408
Copyright © 1999 The Italian Pharmacological Society. Published by Elsevier Science Ltd.
Regular Article
PROTECTIVE ROLE OF
-α-LIPOIC ACID AGAINST MERCURY-INDUCED NEURAL LIPID PEROXIDATION
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B. ANURADHA and P. VARALAKSHMI
Department of Medical Biochemistry, Dr AL Mudaliar Post Graduate Institute of Basic Medical Sciences, Madras University, Taramani, Madras, 600 113, India
Accepted 27 August 1998. ;
Available online 26 March 2002.
Abstract
Experimental neurotoxicity in rat models was induced by an intramuscular injection of mercuric chloride.
-α-lipoic acid was administered as an antidote in three protocols of experimental design. Two protocols of short-term exposure of mercury was designed, one with prophylactic therapy and the other with curative therapy of lipoic acid. The third protocol was with prophylactic therapy of lipoic acid on long-term exposure of mercury. Enhanced lipid peroxidation, depleted non-enzymic and perturbed enzymic antioxidant status were observed in cerebral cortex, cerebellum and sciatic nerves of the toxic groups. The ameliorating effect of lipoic acid and its therapeutic efficacy during various modes of therapy, on the antioxidant status was established in the nervous tissues.
Author Keywords: mercuric chloride,
-α-lipoic acid, lipid peroxidation, enzymic and non-enzymic antioxidants
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