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BMC Complementary Medicine and Therapies
Published in: BMC Complementary Medicine and Therapies 1/2014

Open Access 01-12-2014 | Research article

Electroacupuncture decreases cognitive impairment and promotes neurogenesis in the APP/PS1 transgenic mice

Authors: Xuying Li, Fan Guo, Qiaomei Zhang, Tingting Huo, Lixin Liu, Haidong Wei, Lize Xiong, Qiang Wang

Published in: BMC Complementary Medicine and Therapies | Issue 1/2014

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Abstract

Background

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.

Methods

Cognitive function of APP/PS1 double transgenic mice was assessed using the Morris water maze test before and after EA treatment. Levels of amyloid β-peptide (Aβ) 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.

Results

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 Aβ 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.

Conclusions

Repeated EA stimulation may improve cognitive function, attenuate Aβ 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.
Appendix
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Metadata
Title
Electroacupuncture decreases cognitive impairment and promotes neurogenesis in the APP/PS1 transgenic mice
Authors
Xuying Li
Fan Guo
Qiaomei Zhang
Tingting Huo
Lixin Liu
Haidong Wei
Lize Xiong
Qiang Wang
Publication date
01-12-2014
Publisher
BioMed Central
Published in
BMC Complementary Medicine and Therapies / Issue 1/2014
Electronic ISSN: 2662-7671
DOI
https://doi.org/10.1186/1472-6882-14-37

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