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Updated: Feb 11, 2026

Partial Sciatic Nerve Ligation: A Mouse Model of Chronic Neuropathic Pain to Study the Antinociceptive Effect of Novel Therapies
08:16

Partial Sciatic Nerve Ligation: A Mouse Model of Chronic Neuropathic Pain to Study the Antinociceptive Effect of Novel Therapies

Published on: October 6, 2022

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Antinociception induced by rosuvastatin in murine neuropathic pain

Hugo F Miranda1, Fernando Sierralta1, Nicolas Aranda1

  • 1Pharmacology Program, ICBM, Faculty of Medicine, University of Chile, Santiago, Chile.

Pharmacological Reports : PR
|April 17, 2018
PubMed
Abstract

Insights

Rosuvastatin effectively reduced neuropathic pain and hypernociception in mouse models. This study highlights its potential as a novel treatment by decreasing proinflammatory biomarkers.

Area of Science:

  • Neuroscience
  • Pharmacology

Background:

  • Neuropathic pain and hypernociception are challenging to treat.
  • Paclitaxel (PTX) and partial sciatic nerve ligation (PSNL) induce neuropathic pain in mice.
  • Investigating rosuvastatin's antinociceptive effects in these models.

Purpose of the Study:

  • Evaluate rosuvastatin's antinociception in PTX and PSNL mouse models.
  • Assess rosuvastatin's impact on proinflammatory biomarkers (IL-1β, TBARS, glutathione).
  • Explore the role of anti-inflammatory mechanisms in neuropathic pain treatment.

Main Methods:

  • Established dose-response curves for rosuvastatin using cold plate, hot plate, and Von Frey assays.
  • Measured spinal cord levels of IL-1β, glutathione, and lipid peroxidation at 7 and 14 days post-induction.
  • Utilized PTX and PSNL mouse models to simulate neuropathic pain.

Main Results:

  • PTX and PSNL successfully induced peripheral neuropathy and hypernociception.
  • Rosuvastatin demonstrated dose-dependent antinociception across all tested assays.
  • Rosuvastatin reduced elevated IL-1β and TBARS levels and improved the GSH/GSSG ratio, indicating reduced oxidative stress and inflammation.

Conclusions:

  • Rosuvastatin exhibits significant antinociceptive properties in mouse models of neuropathic pain.
  • Its anti-inflammatory effects, including reduction of proinflammatory biomarkers, likely contribute to its efficacy.
  • Rosuvastatin shows potential as a therapeutic agent for neuropathic pain management.
Keywords:
AntinociceptionNeuropathyRosuvastatinSpinal cord biomarkers

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