Memory, plasticity and sleep - A role for calcium permeable AMPA receptors?
Memory, plasticity and sleep - A role for calcium permeable AMPA receptors?
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DOI:
10.3389/fnmol.2012.00049
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发表时间:
2012
影响因子:
4.8
通讯作者:
Shepherd JD
中科院分区:
文献类型:
--
作者:
Shepherd JD
Experience shapes and molds the brain throughout life.These changes in neuronal circuits are produced by a myriad of molecular and cellular processes. Simplistically, circuits are modified through changes in neurotransmitter release or through neurotransmitter detection at synapses. The predominant neurotransmitter receptor in excitatory transmission, the AMPA-type glutamate receptor (AMPAR), is exquisitely sensitive to changes in experience and synaptic activity. These ion channels are usually impermeable to calcium, a property conferred by the GluA2 subunit. However, GluA2-lacking AMPARs are permeable to calcium and have recently been shown to play a unique role in synaptic function. In this review, I will describe new findings on the role of calcium permeable AMPARs (CP-AMPARs) in experience-dependent and synaptic plasticity.These studies suggest that CP-AMPARs play a prominent role in maintaining circuits in a labile state where further plasticity can occur, thus promoting metaplasticity. Moreover, the abnormal expression of CP-AMPARs has been implicated in drug addiction and memory disorders and thus may be a novel therapeutic target.
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DOI:
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发表时间:
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期刊:
Science (New York, N.Y.)
影响因子:
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DOI:
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发表时间:
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影响因子:
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影响因子:
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通讯作者:
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