期刊
JOURNAL OF COMPARATIVE NEUROLOGY
卷 529, 期 10, 页码 2676-2705出版社
WILEY
DOI: 10.1002/cne.25118
关键词
astrocyte; astrocytosis; central nervous system; function; morphology; neurologic conditions
资金
- American Liver Foundation
- Stanley J. Glaser Foundation
Astrocytes are crucial cells in the central nervous system, providing structural support, modulating synaptic activity, and maintaining the blood-brain barrier. Dysfunction of astrocytes can lead to various neurological conditions, highlighting the importance of understanding their role in rare neuropathologies.
Astrocytes are a population of central nervous system (CNS) cells with distinctive morphological and functional characteristics that differ within specific areas of the brain and are widely distributed throughout the CNS. There are mainly two types of astrocytes, protoplasmic and fibrous, which differ in morphologic appearance and location. Astrocytes are important cells of the CNS that not only provide structural support, but also modulate synaptic activity, regulate neuroinflammatory responses, maintain the blood-brain barrier, and supply energy to neurons. As a result, astrocytic disruption can lead to widespread detrimental effects and can contribute to the pathophysiology of several neurological conditions. The characteristics of astrocytes in more common neuropathologies such as Alzheimer's and Parkinson's disease have significantly been described and continue to be widely studied. However, there still exist numerous rare neurological conditions in which astrocytic involvement is unknown and needs to be explored. Accordingly, this review will summarize functional and morphological changes of astrocytes in various rare neurological conditions based on current knowledge thus far and highlight remaining neuropathologies where astrocytic involvement has yet to be investigated.
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