Transgenic inhibition of glial NF-kappa B reduces pain behavior and inflammation after peripheral nerve injury
- 1 March 2010
- journal article
- Published by Ovid Technologies (Wolters Kluwer Health) in Pain
- Vol. 148 (3), 509-518
- https://doi.org/10.1016/j.pain.2010.01.001
Abstract
Kappa B (IκBα) in glial fibrillary acidic protein (GFAP)-expressing cells, which include astrocytes, Schwann cells, and satellite cells of the dorsal root ganglion (DRG) and sought to determine whether glial NF-κB inhibition leads to a reduction in pain behavior and inflammation following chronic constriction injury (CCI) of the sciatic nerve. As expected, following CCI nuclear translocation, and hence activation, of NF-κB was detected only in the sciatic nerve of wild type (WT) mice, and not in GFAP-IκBα-dn mice, while upregulation of GFAP was observed in the sciatic nerve and DRGs of both WT and GFAP-IκBα-dn mice, indicative of glial activation. Following CCI, mechanical and thermal hyperalgesia were reduced in GFAP-IκBα-dn mice compared to those in WT, as well as gene and protein expression of CCL2, CCR2 and CXCL10 in the sciatic nerve. Additionally, gene expression of TNF, CCL2, and CCR2 was reduced in the DRGs of transgenic mice compared to those of WT after CCI. We can therefore conclude that transgenic inhibition of NF-κB in GFAP-expressing glial cells attenuated pain and inflammation after peripheral nerve injury. These findings suggest that targeting the inflammatory response in Schwann cells and satellite cells may be important in treating neuropathic pain....Keywords
Funding Information
- National Institutes of Health (NS37130 and NS051709)
This publication has 35 references indexed in Scilit:
- The IKK‐NF‐κB pathway: a source for novel molecular drug targets in pain therapy?The FASEB Journal, 2008
- Schwann cells: Activated peripheral glia and their role in neuropathic painBrain, Behavior, and Immunity, 2007
- Cytokine regulation of MMP-9 in peripheral glia: Implications for pathological processes and pain in injured nerveBrain, Behavior, and Immunity, 2007
- Peri-sciatic administration of recombinant rat TNF-α induces mechanical allodynia via upregulation of TNF-α in dorsal root ganglia and in spinal dorsal horn: The role of NF-kappa B pathwayExperimental Neurology, 2007
- Transgenic glial nuclear factor-kappa B inhibition decreases formalin pain in miceNeuroReport, 2007
- Loss of glial fibrillary acidic protein (GFAP) impairs Schwann cell proliferation and delays nerve regeneration after damageJournal of Cell Science, 2006
- Up-regulation of TNFα in DRG satellite cells following lumbar facet joint injury in ratsEuropean Spine Journal, 2006
- Neuregulin 1–erbB Signaling Is Necessary for Normal Myelination and Sensory FunctionJournal of Neuroscience, 2006
- Specific Inhibition of IκB Kinase Reduces Hyperalgesia in Inflammatory and Neuropathic Pain Models in RatsJournal of Neuroscience, 2004
- A peripheral mononeuropathy in rat that produces disorders of pain sensation like those seen in manPain, 1988