Sci. STKE, 28 August 2007
Neuroscience Astrocytes at Single Synapses
Science, AAAS, Cambridge CB2 1LQ, UK
Astrocytes respond to synaptic activity and can release different gliotransmitters, which modulate neuronal activity and neurotransmission. Perea and Araque examined the role of astrocytes on synaptic transmission at single hippocampal excitatory synapses. Ca2+ elevation in astrocytes led to a transient release of the neurotransmitter glutamate from astrocytes, which was mediated by metabotropic glutamate receptors. Potentiation became long-lasting when glial activation was paired with postsynaptic depolarization.
Citation: P. Stern, Astrocytes at Single Synapses. Sci. STKE 2007, tw313 (2007).
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