Reactive astrocytes: The nexus of pathological and clinical hallmarks of Alzheimer's disease.

Reactive astrocytes: The nexus of pathological and clinical hallmarks of Alzheimer's disease.
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DOI:
10.1016/j.arr.2021.101335
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发表时间:
2021-07
影响因子:
13.1
通讯作者:
Norris CM
Norris CM
中科院分区:
医学1区
文献类型:
--
作者:
Price BR;Johnson LA;Norris CM

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Astrocyte reactivity is a hallmark of neuroinflammation that arises with Alzheimer’s disease (AD) and nearly every other neurodegenerative condition. While astrocytes certainly contribute to classic inflammatory processes (e.g. cytokine release, waste clearance, and tissue repair), newly emerging technologies for measuring and targeting cell specific activities in the brain have uncovered essential roles for astrocytes in synapse function, brain metabolism, neurovascular coupling, and sleep/wake patterns. In this review, we use a holistic approach to incorporate, and expand upon, classic neuroinflammatory concepts to consider how astrocyte dysfunction/reactivity modulates multiple pathological and clinical hallmarks of AD. Our ever-evolving understanding of astrocyte signaling in neurodegeneration is not only revealing new drug targets and treatments for dementia but is suggesting we reimagine AD pathophysiological mechanisms.
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