V2EX kainate receptor

Kainate Receptor

定义 Definition

kainate receptor海人酸受体,一种离子型谷氨酸受体(iGluR)亚型,能被海人酸(kainate)激活,参与中枢神经系统的兴奋性突触传递与神经元兴奋性调控。除突触后作用外,也可在某些回路中参与突触前释放调节。(该词在专业语境中使用较多;谷氨酸受体还包括 AMPA 与 NMDA 等类型。)

发音 Pronunciation (IPA)

/kanet rsptr/

例句 Examples

Kainate receptors help regulate excitatory signaling in the brain.
海人酸受体有助于调节大脑中的兴奋性信号传递。

In some hippocampal circuits, blocking a kainate receptor can change synaptic transmission and alter network excitability.
在某些海马回路中,阻断海人酸受体会改变突触传递并影响神经网络的兴奋性。

词源 Etymology

kainate 来自 kainic acid(海人酸),这是一种最初从海藻(如 Digenea simplex,传统上称“海人草”)中分离出的化合物;它能强烈激活一类谷氨酸受体,因此这类受体被称为 kainate receptorsreceptor 源自拉丁语 *recept-*(“接收、接受”),指“接收信号/配体的结构”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Principles of Neural Science(Kandel 等,神经科学教材中讨论离子型谷氨酸受体家族时涉及 kainate receptor
  • Neuroscience(Purves 等,教材章节中介绍兴奋性突触传递与谷氨酸受体时出现该术语)
  • The Synaptic Organization of the Brain(Shepherd 编,讨论突触机制与受体类型时可见该词)
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