Syringaldehyde Attenuates Chronic Constriction Injury-Induced Neuropathic Pain In Sprague-Dawley Rats Via Pge2-Inos Inhibition

  • Annasaheb S. Kalange
  • Murugan Vedigounder
  • Geetha K Mukundan
Keywords: CCI, Syringaldehyde, PGE2, iNOS, Allodynia, Neuropathic pain

Abstract

Neuropathic pain is a one of the most unbearable pain condition severely affecting day-to-day life in affected patients. Syringaldehyde is a compound isolated from various plant species. Syringaldehyde has shown several pharmacological properties including anti-inflammatory, anti-oxidant activities. In this work, to assess in-vivo pharmacological effect of Syringaldehyde in development and maintainace of neuropathic pain, male SD rats were subjected to CCI ligation surgery of sciatic nerve with assessment of mechanical allodynia using von Frey filaments and cold allodynia using acetone test from post-surgery day 3 onwards. CCI rats were given Syringaldehyde orally from day 7 to 14 and pain responses were recorded on day 7, 14. At the end of study, expression levels of PGE2 and iNOS mRNA was assessed in sciatic nerve of CCI rats. CCI surgery in rats developed mechanical and cold allodynia from post-surgery day 3 onwards with peak allodynia observed at day 7, and allodynia was maintained till day 14. Treatment with Syringaldehyde for from day 7 to day 14 showed reversal of mechanical and cold allodynia inhibition of CCI rats when allodynia was assessed on day 7 and day 14. Moreover, treatment with Syringaldehyde decreased mRNA expression levels of PGE2 and iNOS in sciatic nerve. The results from this study demonstrated the analgesic potential of Syringaldehyde in neuropathic pain induced by CCI surgery which may be mediated via inhibition of PGE2 and iNOS.

Author Biographies

Annasaheb S. Kalange

Department Of Pharmacology, College of Pharmaceutical Sciences, Dayananda Sagar University, Bangalore 560078, Karnataka, India.

Murugan Vedigounder

Department Of Pharmacology, College of Pharmaceutical Sciences, Dayananda Sagar University, Bangalore 560078, Karnataka, India.

Geetha K Mukundan

Department Of Pharmacology, College of Pharmaceutical Sciences, Dayananda Sagar University, Bangalore 560078, Karnataka, India.

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Published
2024-09-09
How to Cite
Annasaheb S. Kalange, Murugan Vedigounder, & Geetha K Mukundan. (2024). Syringaldehyde Attenuates Chronic Constriction Injury-Induced Neuropathic Pain In Sprague-Dawley Rats Via Pge2-Inos Inhibition. Revista Electronica De Veterinaria, 25(1), 1158 -1164. https://doi.org/10.69980/redvet.v25i1.835
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Articles