Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-59190
Zeilhofer, H U (2011). Spinal neuroplasticity in chronic pain. e-Neuroforum, 2(2):35-41.
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Neuroplastic changes play an important role in the generation and maintenance of chronic pain syndromes. Such changes occur at all levels of the neuraxis, from the peripheral terminals of primary sensory neurons to the cerebral cortex. Changes observed in the spinal dorsal horn in particular provide a mechanistic basis for many of the characteristics of chronic pain syndromes. While facilitated synaptic transmission between nociceptive fibers and spinal projection neurons contributes to enhanced perception of noxious stimuli (hyperalgesia), diminished function of GABAergic and glycinergic interneurons not only induces hyperalgesia, but also triggers nociceptive reactions on exposure to innocuous stimuli and spontaneous pain behavior in the absence of any sensory stimulation. Spinal disinhibition thus recapitulates typical symptoms of chronic pathological pain syndromes. Studies performed by various groups over the last 10 years demonstrate that such spinal disinhibition occurs naturally in response to peripheral inflammation and nerve damage. The present article summarizes current status of this research.
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|Item Type:||Journal Article, not refereed, further contribution|
|Communities & Collections:||04 Faculty of Medicine > Institute of Pharmacology and Toxicology|
|Dewey Decimal Classification:||570 Life sciences; biology
610 Medicine & health
|Deposited On:||29 Mar 2012 09:16|
|Last Modified:||18 Oct 2012 02:50|
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