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Biol Pharm Bull. 2016 Sep 1;39(9):1412-8. doi: 10.1248/bpb.b15-00881. Epub 2016 Jun 21.

Vinpocetine Improves Scopolamine Induced Learning and Memory Dysfunction in C57 BL/6J Mice.

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1
Department of Anesthesiology, PLA 463 Hospital.

Abstract

Vinpocetine is an inhibitor of phosphodiesterase type 1 (PDE1), which has been used for treating stroke for over 40 years. However, according to current clinical dosage and treatment period, its direct effect on memory is unclear. In this study, we investigated whether vinpocetine could reverse the scopolamine (SCO)-induced cognitive deficits in animals. Behavioral experiments, including open field, Y-maze, and fear conditioning tests were used to determine the possible role of vinpocetine on scopolamine-induced memory dysfunction. In the open field and Y-maze tests, there were significant differences between the control (CON) group and SCO group. Vinpocetine (4 mg/kg) administration for consecutive 28 d significantly improved the scopolamine-induced memory dysfunction. In the fear conditioning test, vinpocetine (2, 4 mg/kg) administration had certain beneficial effect on emotional memory. Our results suggest that vinpocetine could improve cognitive function in memory deficient mice and high clinic dosage might be better.

PMID:
27334578
DOI:
10.1248/bpb.b15-00881
[Indexed for MEDLINE]
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