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Abstract Title:

Huperzine A ameliorates the impaired memory of aged rat in the Morris water maze performance.

Abstract Source:

Acta Pharmacol Sin. 2000 Jan;21(1):65-9. PMID: 11263250

Abstract Author(s):

J W Ye, Y Z Shang, Z M Wang, X C Tang

Abstract:

AIM: To determine the memory-improving properties of huperzine A in aged rats with memory impairments naturally occurring or induced by scopolamine. METHODS: Morris water maze was used to investigate the effects of huperzine A on the acquisition and memory impairments. RESULTS: During 7-day acquisition trials, aged rats took longer latency to find the platform. Huperzine A (0.1-0.2 mg/kg, s.c.) could significantly reduce the latency. In the probe trials on the eighth day, huperzine A (0.1, 0.2 and 0.4 mg/kg, s.c.) significantly increased the time in the quadrant where plateform had disappeared in aged rats. In the acute experiment, scopolamine (0.1 mg/kg, i.p.) significantly impaired spatial memory in the trained aged rats. Huperzine A (0.4 mg/kg, s.c.) significantly reversed the memory deficits induced by scopolamine. CONCLUSION: Huperzine A ameliorates the impaired memory naturally occurring or induced by scopolamine in aged rats.

Study Type : Animal Study

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Sayer Ji
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