Calcium and glial cell death

Calcium (Ca 2+) homeostasis is crucial for development and survival of virtually all types of cells including glia of the central nervous system (CNS). Astrocytes, oligodendrocytes and microglia, the major glial cell types in the CNS, are endowed with a rather sophisticated array of Ca 2+-permeable...

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Bibliographic Details
Published in:Cell calcium (Edinburgh) 2005-09, Vol.38 (3), p.417-425
Main Authors: Alberdi, Elena, Sánchez-Gómez, María Victoria, Matute, Carlos
Format: Article
Language:English
Subjects:
Animals
Apoptosis
Apoptosis - physiology
Calcium - physiology
Calcium Channels - physiology
Degeneration
Excitotoxicity
Homeostasis - physiology
Humans
Isquemia
Mitochondria
Neuroglia - physiology
Reactive oxygen species
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Summary:Calcium (Ca 2+) homeostasis is crucial for development and survival of virtually all types of cells including glia of the central nervous system (CNS). Astrocytes, oligodendrocytes and microglia, the major glial cell types in the CNS, are endowed with a rather sophisticated array of Ca 2+-permeable receptors and channels, as well as store-operated channels and pumps, all of which determine Ca 2+ homeostasis. In addition, glial cells detect functional activity in neighbouring neurons and respond to it by means of Ca 2+ signals that can modulate synaptic interactions. Like in neurons, Ca 2+ overload resulting from dysregulation of channels and pumps can be deleterious to glia. In this review, we summarize recent advances in the understanding Ca 2+ homeostasis in glial cells, the consequences of its alteration in cell demise as well as in neurological and psychiatric disorders that experience glial cell loss.
ISSN:0143-4160
1532-1991
DOI:10.1016/j.ceca.2005.06.020