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Article Publish Status: FREE
Abstract Title:

Resveratrol ameliorates oxaliplatin-induced neuropathic pain via anti-inflammatory effects in rats.

Abstract Source:

Exp Ther Med. 2022 Sep ;24(3):586. Epub 2022 Jul 21. PMID: 35949346

Abstract Author(s):

Zhi-Bin Dong, Yu-Jia Wang, Wen-Jun Wan, Ji Wu, Bo-Jun Wang, Hai-Li Zhu, Min Xie, Ling Liu

Article Affiliation:

Zhi-Bin Dong

Abstract:

Oxaliplatin (OXA) is a common chemotherapy drug and exhibits clinical activity in several cancer types. Its anticancer clinical effect is frequently accompanied by neurotoxicity. The symptoms include paresthesia and pain, which adversely affect the quality of life of patients. In the present study, five consecutive intraperitoneal injections of 4 mg/kg OXA were used to mimic chemotherapy in rats. OXA administration induced mechanical allodynia, activated spinal astrocytes and triggered the inflammatory response. To explore potential therapeutic options for OXA-induced neuropathic pain, resveratrol (Res) was intrathecally injected into the spinal cord of OXA-treated rats. Paw withdrawal threshold values of OXA-treated rats were increased, indicating an antinociception effect of Res on OXA-induced pain. Additionally, Res treatment reduced the levels of glial fibrillary acidic protein, TNF-α, IL-1β and NF-κB, which were upregulated in OXA-treated rats (compared with control). Furthermore, Auto Dock data showed that Res binds to cyclooxygenase-2 (COX-2) through six hydrogen bonds. Western blot analysis and reactive oxygen species (ROS) assays indicated that Res treatment decreased COX-2 expression and suppressed ROS production. In summary, intrathecal injection of Res reduced the spinal COX-2-mediated ROS generation and inflammatory reaction, suppressed astrocytic activation, and alleviated OXA-induced neuropathic pain.

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