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Donepezil reduces cognitive impairment associated with anti-cancer drugs in a mouse model.
MedLine Citation:
PMID:  21803055     Owner:  NLM     Status:  Publisher    
Adjuvant cancer chemotherapy often causes cognitive impairment that can be long-lasting and adversely affect quality of life. The present study sought to determine if the cognitive enhancing drug, donepezil, can reduce cognitive impairment induced by a combination of methotrexate +5-fluorouracil, two drugs commonly used in cancer chemotherapy. Four groups of mice: (1) chemotherapy-only; (2) chemotherapy+donepezil; (3) saline-only; (4) saline+donepezil, were administered the following learning and memory tests: (1) standard spatial memory (SM); (2) non-spatial cued memory (CM); (3) non-matching-to-sample (NMTS) rule-learning; (4) delayed-NMTS (DNMTS). The chemotherapy-only group was impaired on the SM, NMTS, and DNMTS tasks. Chemotherapy-induced cognitive deficits were significantly reduced in the chemotherapy+donepezil group whose performance on some measures was very similar to that of the saline-only group. There was no evidence that donepezil improved the performance of saline-treated mice. The results confirm the adverse effects of chemotherapy on cognitive function and demonstrate that they can be ameliorated by donepezil, which is widely used to treat cognitive impairment in other clinical populations (e.g., Alzheimer's disease).
Gordon Winocur; Malcolm A Binns; Ian Tannock
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-7-22
Journal Detail:
Title:  Neuropharmacology     Volume:  -     ISSN:  1873-7064     ISO Abbreviation:  -     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-8-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0236217     Medline TA:  Neuropharmacology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011. Published by Elsevier Ltd.
Rotman Research Institute, Baycrest Centre, 3560 Bathurst Street, Toronto, ON M6A 2E1, Canada; Department of Psychology, University of Toronto, 100 St. George Street, Toronto, ON M5S 3G3, Canada; Department of Psychiatry, University of Toronto, 100 St. George Street, Toronto, ON M5S 3G3, Canada; Department of Psychology, Trent University, 1600 West Bank Dr, Peterborough, ON K9J 7B8, Canada.
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