Pre- and postsynaptic inhibitory control in the spinal cord dorsal horn.

Pre- and postsynaptic inhibitory control in the spinal cord dorsal horn.
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DOI:
10.1111/nyas.12056
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发表时间:
2013-03
影响因子:
5.2
通讯作者:
Macdermott AB
Macdermott AB
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Bardoni R;Takazawa T;Tong CK;Choudhury P;Scherrer G;Macdermott AB

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传递到脊髓背角的感觉信息受到兴奋性和抑制性中间神经元的复杂网络的调制。两种主要的抑制性递质GABA和甘氨酸主要通过调节背角神经元的兴奋性来控制感觉信息的流动。GABA的突触前作用也被认为是感觉初级传入终末递质释放的重要调节机制。通过抑制谷氨酸从初级传入末梢的释放,突触前GABA受体的激活可以在伤害性和触觉感觉编码中发挥重要作用,而它们的表达或功能的变化可以参与病理性疼痛状况,如异常性疼痛。
Sensory information transmitted to the spinal cord dorsal horn is modulated by a complex network of excitatory and inhibitory interneurons. The two main inhibitory transmitters, GABA and glycine, control the flow of sensory information mainly by regulating the excitability of dorsal horn neurons. A presynaptic action of GABA has also been proposed as an important modulatory mechanism of transmitter release from sensory primary afferent terminals. By inhibiting the release of glutamate from primary afferent terminals, activation of presynaptic GABA receptors could play an important role in nociceptive and tactile sensory coding, while changes in their expression or function could be involved in pathological pain conditions, such as allodynia.
DOI: 10.1113/jphysiol.1978.sp012189
发表时间: 1978-01-01
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