Astrocytes: glutamate producers for neurons.


In order for the brain to use the common amino acid glutamate as a neurotransmitter, it has been necessary to introduce a series of innovations that greatly restrict the availability of glutamate, so that it cannot degrade the signal-to-noise ratio of glutamatergic neurons. The most far-reaching innovations have been: i) to exclude the brain from access to… (More)


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