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Title: Antinociceptive property of Emblica officinalis Gaertn (Amla) in high fat diet-fed/low dose streptozotocin induced diabetic neuropathy in rats
Authors: Kumar, N Prem
Annamalai, A R
Thakur, R S
Keywords: Antioxidant
Diabetic neuropathy
Emblica officinalis
Oxidative stress
Issue Date: Sep-2009
Publisher: CSIR
Abstract: Diabetic neuropathic pain is an important microvascular complication in diabetes mellitus and oxidative stress plays a vital role in associated neural and vascular complications. The present study investigated flavonoid rich fruit extract (ethyl acetate:methanol fraction) of E.officinalis (10 mg/kg), in type II diabetes (high fat diet fed/low dose streptozotocin) induced diabetic neuropathy in male Sprague-Dawley rats. Diabetic rats exhibited a significant hyperalgesia (nociception) as compared to control rats. Treatment with E.officinalis extract (EOE) and quercetin in diabetic rats showed significant increase in tail flick latency in hot immersion test and pain threshold level in hot plate test compared to control rats. The changes in lipid peroxidation status and anti-oxidant enzymes (superoxide dismutase and catalase) levels observed in diabetic rats were significantly restored by E.officinalis extract and quercetin treatment. Both, E.officinalis extract and quercetin attenuated diabetic induced axonal degeneration. The study provides experimental evidence of the preventive and curative effect of E.officinalis on nerve function and oxidative stress in animal model of diabetic neuropathy. Since, E.officinalis fruit is already in clinical use for diabetic patients it may be evaluated for preventive therapy in diabetic patients at risk of developing neuropathy.
Page(s): 737-742
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Source:IJEB Vol.47(09) [September 2009]

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