Reserve pool neuron transmitter respecification: Novel neuroplasticity.

Reserve pool neuron transmitter respecification: Novel neuroplasticity.
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储备池神经元发射器解答:新型神经可塑性。

DOI:
10.1002/dneu.20920
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发表时间:
2012-04
影响因子:
3
通讯作者:
Spitzer, Nicholas C.
Spitzer, Nicholas C.
中科院分区:
医学3区
文献类型:
--
作者:
Dulcis, Davide;Spitzer, Nicholas C.

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神经元表达的神经递质的身份一直被认为是固定和不变的,但最近的研究表明,电活动的变化可以快速和可逆地重新配置神经元表达的递质和相应的递质受体。递质表达的诱导可以通过选择性地激活由生理范围的感觉输入招募的传入来实现。值得注意的是,在某些情况下,获得额外递质的神经元在递质重新指定之前投射到适当的靶点,这表明存在可以促进电路功能的神经元储备池。我们讨论了这种储备池的证据,它们可能的位置和测试它们的存在的方法,以及这种电路特异性神经递质重新指定在神经疾病治疗中的潜在临床价值。
The identity of the neurotransmitters expressed by neurons has been thought to be fixed and immutable, but recent studies demonstrate that changes in electrical activity can rapidly and reversibly reconfigure the transmitters and corresponding transmitter receptors that neurons express. Induction of transmitter expression can be achieved by selective activation of afferents recruited by a physiological range of sensory input. Strikingly, neurons acquiring an additional transmitter project to appropriate targets prior to transmitter respecification in some cases, indicating the presence of reserve pools of neurons that can boost circuit function. We discuss the evidence for such reserve pools, their likely locations and ways to test for their existence, and the potential clinical value of such circuit-specific neurotransmitter respecification for treatments of neurological disorders.
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