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BMC Complementary and Alternative Medicine: Electroacupuncture decreases cognitive impairment and promotes neurogenesis in the APP/Psi transgenic mice.


Alzheimer's disease (AD) is a severe neurodegenerative disease for which there is currently no effective treatment. The purpose of this study was to investigate whether repeated electroacupuncture (EA) stimulation would improve cognitive function and the pathological features of AD in amyloid precursor protein (APP)/presenilin 1 (PS1) double transgenic mice.


Cognitive function of APP/PS1 double transgenic mice was assessed using the Morris water maze test before and after EA treatment. Levels of amyloid [beta]-peptide (A^) deposits in the hippocampus and cortex were evaluated by immunofluorescence, western blot and enzyme-linked immunosorbent assay. Expression of brain-derived neurotrophic factor (BDNF) was also examined by immunofluorescence and western blot. The neurogenesis was labeled by the DNA marker bromodeoxyuridine.


EA stimulation significantly ameliorated the learning and memory deficits of AD mice by shortening escape latency and increasing the time spent in the target zone during the probe test. Additionally, decreased A^ deposits and increased BDNF expression and neurogenesis in the hippocampus and cortex of EA-treated AD mice were detected. The same change was detected in wild-type mice after EA treatment compared with wild-type mice without EA treatment.


Repeated EA stimulation may improve cognitive function, attenuate A^ deposits, up-regulate the expression of BDNF and promote neurogenesis in the APP/PS1 double transgenic mice. This suggests that EA may be a promising treatment for AD.

2014; 14(37) doi:10.1186/1472-6882-14-37

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Article Details
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Author:Li, X.; Guo, F.; Zhang, Q.; Huo, T.; Liu, L.; Wei, H.; Xiong, L.; Wang, Q.
Publication:Journal of the Australian Traditional-Medicine Society
Article Type:Abstract
Geographic Code:8AUST
Date:Mar 1, 2014
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