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Published in: Journal of Neuroinflammation 1/2020

01-12-2020 | Alzheimer's Disease | Research

Short-term resistance exercise inhibits neuroinflammation and attenuates neuropathological changes in 3xTg Alzheimer’s disease mice

Authors: Yan Liu, John Man Tak Chu, Tim Yan, Yan Zhang, Ying Chen, Raymond Chuen Chung Chang, Gordon Tin Chun Wong

Published in: Journal of Neuroinflammation | Issue 1/2020

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Abstract

Background

Both human and animal studies have shown beneficial effects of physical exercise on brain health but most tend to be based on aerobic rather than resistance type regimes. Resistance exercise has the advantage of improving both muscular and cardiovascular function, both of which can benefit the frail and the elderly. However, the neuroprotective effects of resistance training in cognitive impairment are not well characterized.

Methods

We evaluated whether short-term resistant training could improve cognitive function and pathological changes in mice with pre-existing cognitive impairment. Nine-month-old 3xTg mouse underwent a resistance training protocol of climbing up a 1-m ladder with a progressively heavier weight loading.

Results

Compared with sedentary counterparts, resistance training improved cognitive performance and reduced neuropathological and neuroinflammatory changes in the frontal cortex and hippocampus of mice. In line with these results, inhibition of pro-inflammatory intracellular pathways was also demonstrated.

Conclusions

Short-term resistance training improved cognitive function in 3xTg mice, and conferred beneficial effects on neuroinflammation, amyloid and tau pathology, as well as synaptic plasticity. Resistance training may represent an alternative exercise strategy for delaying disease progression in Alzheimer’s disease.
Appendix
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Metadata
Title
Short-term resistance exercise inhibits neuroinflammation and attenuates neuropathological changes in 3xTg Alzheimer’s disease mice
Authors
Yan Liu
John Man Tak Chu
Tim Yan
Yan Zhang
Ying Chen
Raymond Chuen Chung Chang
Gordon Tin Chun Wong
Publication date
01-12-2020
Publisher
BioMed Central
Published in
Journal of Neuroinflammation / Issue 1/2020
Electronic ISSN: 1742-2094
DOI
https://doi.org/10.1186/s12974-019-1653-7

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