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ORIGINAL ARTICLE
Year : 2016  |  Volume : 12  |  Issue : 46  |  Page : 201-205

Intrathecal injection of resveratrol attenuates burn injury pain by activating spinal sirtuin 1


1 Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong University, Shandong University, Jinan, Shandong 250000; Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical College, Jiangsu Province Key Laboratory of Anesthesiology and Center for Pain Research and Treatment, Jiangsu 221002, PR China
2 Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical College, Jiangsu Province Key Laboratory of Anesthesiology and Center for Pain Research and Treatment; Department of Anesthesiology, Xuzhou Central Hospital, Jiangsu 221002, PR China
3 Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong University, Shandong University, Jinan, Shandong 250000, PR China
4 Department of Anesthesiology, Affiliated Hospital of Xuzhou Medical College, Jiangsu Province Key Laboratory of Anesthesiology and Center for Pain Research and Treatment, Jiangsu 221002, PR China

Correspondence Address:
Zhi-Jian Fu
Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong University, Shandong University, Jinan, Shandong 250000
PR China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1296.182167

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Objective: The present study sought to detect spinal sirtuin 1 (SIRT1) and acetylation of histone H3 (Ac-H3) expression in rats with burn injury pain (BIP model). Procedures and Results: A BIP model was first established. BIP rats showed lower paw withdrawal threshold (PWT) from day 1, which persisted for 21 days following the burn injury. Spinal SIRT1/Ac-H3 expression increased following burn injury. The intrathecal use of resveratrol increased PWT and SIRT1 expression but induced down-regulation of Ac-H3 expression. We first demonstrated that the inhibition of SIRT1 significantly induced mechanical allodynia in naïve rats. The preinjection of SIRT1 inhibitor partly antagonized the analgesic effects of resveratrol in BIP rats. Conclusion: Inhibition of SIRT1 produces pain facilitation in the naïve rats. The expression of spinal SIRT1 increased after burn injury in the BIP model. The activation of spinal SIRT1 might mediate the resveratrol-induced analgesic effects. SUMMARY
  • Burn injury resulted in pain facilitation
  • Resveratrol attenuates pain facilitation induced by burn injury
  • Intrathecal injection of resveratrol attenuates burn injury pain by increasing spinal sirtuin 1 (SIRT1) expression
  • Inhibition of SIRT1 by selisistat, an SIRT1 inhibitor attenuated analgesic effects of resveratrol.
Abbreviations used: SIRT1: Sirtuin 1, Ac-H3: Acetylation of histone H3, SD: Sprague-Dawley, EX527: Selisistat, an SIRT1 inhibitor, BIP: Burn injury pain, DMSO: Dimethyl sulfoxide, PWTs: Paw withdrawal thresholds Zhi-Jian Fu


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