Neurotransmitter Switching? No Surprise.
Neurotransmitter Switching? No Surprise.
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DOI:
10.1016/j.neuron.2015.05.028
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发表时间:
2015-06-03
期刊:
影响因子:
16.2
通讯作者:
Spitzer NC
中科院分区:
文献类型:
--
作者:
Spitzer NC
Among the many forms of brain plasticity, changes in synaptic strength and changes in synapse number are particularly prominent. However, evidence for neurotransmitter respecification or switching has been accumulating steadily, both in the developing nervous system and in the adult brain, with observations of transmitter addition, loss, or replacement of one transmitter with another. Natural stimuli can drive these changes in transmitter identity, with matching changes in postsynaptic transmitter receptors. Strikingly, they often convert the synapse from excitatory to inhibitory or vice versa, providing a basis for changes in behavior in those cases in which it has been examined. Progress has been made in identifying the factors that induce transmitter switching and in understanding the molecular mechanisms by which it is achieved. There are many intriguing questions to be addressed.
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