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Neuroprotective and antioxidant potential of terpenoid fraction from Hygrophila auriculata against transient global cerebral ischemia in rats.
MedLine Citation:
PMID:  23153190     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Context: The plant Hygrophila auriculata (K. Schum) Heine. (Acanthaceae) is widely used in the Indian System of Medicine as "Rasayana" for treating brain and liver diseases. Objectives: The present study evaluated the in vivo antioxidant and neuroprotective effect of aterpenoid rich fraction (TF) from Hygrophila auriculata in a rat model of transient global cerebral ischemia (tGCI). Materials and methods: Male Wistar rats were grouped as sham control, tGCI control, vitamin E (500 mg/kg) and TF (100 & 200 mg/kg) treated groups. Following 7 days of drug administration, animals were subjected to tGCI by permanent occlusion of both vertebral and transient occlusion of carotid arteries for 10 min followed by reperfusion. The neuroprotective effect was assessed by tGCI induced neurological, sensory motor deficit in rats. Brain antioxidants such as superoxide dismutase (SOD), catalase (CAT) and malondialdehyde (MDA) were investigated. Further, a histopathological examination was done in CA1 hippocampus. Results: tGCI induction resulted in an increase in beam balance score (5.1), number of entries in open field (131) and a decrease in time spent in rotorod (47 s). In contrast, TF treatment resulted in a significant decrease in (p < 0.01) beam balance score (2.9), number of entries (67) and increased time spent in rotorod (63.25 s). There was also a significant (p < 0.001) decrease in brain SOD and GSH with an increase in MDA. TF treatment resulted in restoration of antioxidants and protection of hippocampal CA1 neurons against tGCI insult. Conclusion: It is concluded that TF from Hygrophila auriculata shows neuroprotective potential against tGCI induced oxidative stress.
Authors:
Rupesh Kanhere; Ashwini Anjana; Jayaraman Anbu; Mohan Sumithra; Nazeer Ahamed Kfh
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-16
Journal Detail:
Title:  Pharmaceutical biology     Volume:  -     ISSN:  1744-5116     ISO Abbreviation:  Pharm Biol     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9812552     Medline TA:  Pharm Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Pharmacology, Vels Institute of Science Technology and Advanced Studies (VISTAS), School of Pharmaceutical Sciences, Vels University , Chennai , India.
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