Journal
NEUROSCIENTIST
Volume 17, Issue 3, Pages 256-273Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/1073858409349913
Keywords
hyperalgesia; AMPA receptors; NMDA receptors; kainate receptors; long-term potentiation
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Funding
- Swedish Research Council [14276]
- Magnus Bergvall Foundation
- Norwegian Research Council [178821/V40]
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Pain hypersensitivity that develops after tissue or nerve injury is dependent both on peripheral processes in the affected tissue and on enhanced neuronal responses in the central nervous system, including the dorsal horn of the spinal cord. It has become increasingly clear that strengthening of glutamatergic sensory synapses, such as those established in the dorsal horn by nociceptive thin-caliber primary afferent fibers, is a major contributor to sensitization of neuronal responses that leads to pain hypersensitivity. Here, the authors review recent findings on the roles of ionotropic glutamate receptors in synaptic plasticity in the dorsal horn in relation to acute and persistent pain.
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