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Molecular Neurodegeneration
Published in: Molecular Neurodegeneration 1/2018

Open Access 01-12-2018 | Review

Peripheral immune system in aging and Alzheimer’s disease

Authors: Wei Cao, Hui Zheng

Published in: Molecular Neurodegeneration | Issue 1/2018

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Abstract

Alzheimer’s disease (AD) represents an urgent public health mandate. AD is no longer considered a neural-centric disease; rather, a plethora of recent studies strongly implicate a critical role played by neuroinflammation in the pathogeneses of AD and other neurodegenerative conditions. A close functional connection between the immune system and central nervous system is increasingly recognized. In late-onset AD, aging represents the most significant risk factor. Here, from an immunological perspective, we summarize the prominent molecular and cellular changes in the periphery of aging individuals and AD patients. Moreover, we review the knowledge gained in the past several years that implicate specific arms of the peripheral immune system and other types of immune responses in modulating AD progression. Taken together, these findings collectively emphasize a dynamic role of a concert of brain-extrinsic, peripheral signals in the aging and degenerative processes in the CNS. We believe that a systematic view synthesizing the vast amounts of existing results will help guide the development of next-generation therapeutics and inform future directions of AD investigation.
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Metadata
Title
Peripheral immune system in aging and Alzheimer’s disease
Authors
Wei Cao
Hui Zheng
Publication date
01-12-2018
Publisher
BioMed Central
Published in
Molecular Neurodegeneration / Issue 1/2018
Electronic ISSN: 1750-1326
DOI
https://doi.org/10.1186/s13024-018-0284-2

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