Abstract
Ionotropic glutamate receptors contain three subtypes: NMDA, AMPA and kainate receptors. The former two receptor subtypes have well defined roles in nociception, while the role of kainate receptors in pain is not as well characterized. Kainate receptors are expressed in nociceptive pathways, including the dorsal root ganglion, spinal cord, thalamus and cortex. Electrophysiological studies show that functional kainate receptors are located postsynaptically, where they mediate a portion of excitatory synaptic transmission, or are located presynaptically, where they modulate excitatory or inhibitory neurotransmission. Recent genetic and pharmacological studies suggest that kainate receptors can regulate nociceptive responses. These results highlight kainate receptors as a target for the development of new treatments for chronic pain.
Keywords: kainate receptor, nociceptive pathways, spinal cord, anterior cingulate cortex, chronic pain
Current Pharmaceutical Design
Title: Kainate Receptors and Pain: From Dorsal Root Ganglion to the Anterior Cingulate Cortex
Volume: 13 Issue: 15
Author(s): Long-Jun Wu, Shanelle W. Ko and Min Zhuo
Affiliation:
Keywords: kainate receptor, nociceptive pathways, spinal cord, anterior cingulate cortex, chronic pain
Abstract: Ionotropic glutamate receptors contain three subtypes: NMDA, AMPA and kainate receptors. The former two receptor subtypes have well defined roles in nociception, while the role of kainate receptors in pain is not as well characterized. Kainate receptors are expressed in nociceptive pathways, including the dorsal root ganglion, spinal cord, thalamus and cortex. Electrophysiological studies show that functional kainate receptors are located postsynaptically, where they mediate a portion of excitatory synaptic transmission, or are located presynaptically, where they modulate excitatory or inhibitory neurotransmission. Recent genetic and pharmacological studies suggest that kainate receptors can regulate nociceptive responses. These results highlight kainate receptors as a target for the development of new treatments for chronic pain.
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Cite this article as:
Wu Long-Jun, Ko W. Shanelle and Zhuo Min, Kainate Receptors and Pain: From Dorsal Root Ganglion to the Anterior Cingulate Cortex, Current Pharmaceutical Design 2007; 13 (15) . https://dx.doi.org/10.2174/138161207780765864
DOI https://dx.doi.org/10.2174/138161207780765864 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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