Rapid pain modulation with nuclear receptor ligands

Jill Fehrenbacher, Jesse LoVerme, William Clarke, Kenneth M. Hargreaves, Daniele Piomelli, Bradley K. Taylor

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

We discuss and present new data regarding the physiological and molecular mechanisms of nuclear receptor activation in pain control, with a particular emphasis on non-genomic effects of ligands at peroxisome proliferator-activated receptor (PPAR), GPR30, and classical estrogen receptors. PPARα agonists rapidly reduce both acute and chronic pain in a number of pain assays. These effects precede transcriptional anti-inflammatory actions, and are mediated in part by IKca and BKca channels on DRG neurons. In contrast to the peripheral site of action of PPARα ligands, the dorsal horn supports the expression of PPARγ. Intrathecal administration of PPARγ ligands rapidly (≤ 5 min) attenuated mechanical and thermal hypersensitivity associated with nerve injury in a dose-dependent manner that could be blocked with PPARγ antagonists. By contrast, a PPARγ antagonist itself rapidly increased the mechanical allodynia associated with nerve injury. These data suggest that ligand-dependent, non-genomic activation of spinal PPARγ decreases behavioral signs of inflammatory and neuropathic pain. We also report that the GPR30 is expressed on cultured sensory neurons, that activation of the receptor elicits signaling to increase calcium accumulation. This signaling may contribute to increased neuronal sensitivity as treatment with the GPR30 agonist induces hyperalgesia. Finally, application of the membrane-impermeable 17β-E2-BSA rapidly (within 15 min) enhanced BK-stimulated inositol phosphate (IP) accumulation and PGE2-mediated cAMP accumulation in trigeminal ganglion cultures. We conclude that nuclear receptor ligands may operate through rapid, non-genomic mechanisms to modulate inflammatory and neuropathic pain.

Original languageEnglish (US)
Pages (from-to)114-124
Number of pages11
JournalBrain Research Reviews
Volume60
Issue number1
DOIs
StatePublished - Apr 2009
Externally publishedYes

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Peroxisome Proliferator-Activated Receptors
Cytoplasmic and Nuclear Receptors
Ligands
Pain
Hyperalgesia
Neuralgia
Trigeminal Ganglion
Inositol Phosphates
Diagnosis-Related Groups
Wounds and Injuries
Acute Pain
Sensory Receptor Cells
Dinoprostone
Chronic Pain
Estrogen Receptors
Hypersensitivity
Anti-Inflammatory Agents
Hot Temperature
Calcium
Neurons

Keywords

  • Estrogen receptor
  • GPR30
  • Peroxisome proliferator-activated receptor
  • Rosiglitazone

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Neurology

Cite this

Fehrenbacher, J., LoVerme, J., Clarke, W., Hargreaves, K. M., Piomelli, D., & Taylor, B. K. (2009). Rapid pain modulation with nuclear receptor ligands. Brain Research Reviews, 60(1), 114-124. https://doi.org/10.1016/j.brainresrev.2008.12.019

Rapid pain modulation with nuclear receptor ligands. / Fehrenbacher, Jill; LoVerme, Jesse; Clarke, William; Hargreaves, Kenneth M.; Piomelli, Daniele; Taylor, Bradley K.

In: Brain Research Reviews, Vol. 60, No. 1, 04.2009, p. 114-124.

Research output: Contribution to journalArticle

Fehrenbacher, J, LoVerme, J, Clarke, W, Hargreaves, KM, Piomelli, D & Taylor, BK 2009, 'Rapid pain modulation with nuclear receptor ligands', Brain Research Reviews, vol. 60, no. 1, pp. 114-124. https://doi.org/10.1016/j.brainresrev.2008.12.019
Fehrenbacher, Jill ; LoVerme, Jesse ; Clarke, William ; Hargreaves, Kenneth M. ; Piomelli, Daniele ; Taylor, Bradley K. / Rapid pain modulation with nuclear receptor ligands. In: Brain Research Reviews. 2009 ; Vol. 60, No. 1. pp. 114-124.
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