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Title: Neuroprotective potential of ethanolic extract of Pseudarthria viscida (L) Wight and Arn against -amyloid(25-35)-induced amnesia in mice
Authors: Singh, J C Hanish
Alagarsamy, V
Parthiban, P
Selvakumar, P
Reddy, Y Narsimha
Keywords: Alzheimer’s disease
Water maze
Oxidative stress
Pseudarthria viscida (L) Wight and Arn
Antioxidant enzymes
Vitamin C
Issue Date: Jun-2011
Publisher: NISCAIR-CSIR, India
Abstract: The neuroprotective potential of ethanolic extract of roots of Pseudarthria viscida (L) Wight and Arn (EEPV) was investigated against -amyloid(25-35)-induced amnesia in mice which is a suitable animal model for Alzheimer’s disease (AD). The senile plaques of -amyloid (A) are major constituents accumulated during the progression of AD as a potent neurotoxicant. In our investigation, intracerebroventricular injection of A(25-35) in mice induced the neurodegeneration, exhibited the increased time of escape latency in behavioral pattern using water maze and decreased the levels of antioxidants namley superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT) and vitamin C with elevated level of acetylcholinesterase enzyme (AChE). The neuroprotective potential of EEPV was determined by behavioral pattern using water maze and biochemical parameters such as SOD, CAT and GPx and vitamin C content as well as AChE. Mice were treated with EEPV at 200 and 400 mg/kg doses for 21 days. Except control, all animals received a single injection of neurotoxicant A(25-35) on 14th day. In behavioural assessment, treatment with ethanolic extract improved the cognitive function in the water maze and attenuated the elevated levels of AChE with increase in antioxidant enzymes, indicating the neuroprotection with increased levels of vitamin C. These findings suggest that ethanolic extract of P. viscida exerts anti-amnesiac effects and enhances cognitive function.
Page(s): 197-201
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-0959 (Online); 0301-1208 (Print)
Source:IJBB Vol.48(3) [June 2011]

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