Journal
ANNALS OF NEUROLOGY
Volume 74, Issue 3, Pages 490-495Publisher
WILEY-BLACKWELL
DOI: 10.1002/ana.23928
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Funding
- NIH [R01DE17794, R01DE22743, P01GM095467, R21NS082985, R01NS67686]
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Prevalence of neuropathic pain is high after major surgery. However, effective treatment for preventing neuropathic pain is lacking. Here we report that perisurgical treatment of neuroprotectin D1/protectin D1 (NPD1/PD1), derived from docosahexaenoic acid, prevents nerve injury-induced mechanical allodynia and ongoing pain in mice. Intrathecal post-treatment of NPD1/PD1 also effectively reduces established neuropathic pain and produces no apparent signs of analgesic tolerance. Mechanistically, NPD1/PD1 treatment blocks nerve injury-induced long-term potentiation, glial reaction, and inflammatory responses, and reverses synaptic plasticity in the spinal cord. Thus, NPD1/PD1 and related mimetics might serve as a new class of analgesics for preventing and treating neuropathic pain. Ann Neurol 2013;74:490-495
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