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Seunghwan Choi
Department of East-West Medicine, Graduate School, Kyung Hee University, Seoul 02447, Korea

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Journal article
Published: 08 July 2019 in Toxins
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Oxaliplatin is a chemotherapeutic agent used for metastatic colon and other advanced cancers. Most common side effect of oxaliplatin is peripheral neuropathy, manifested in mechanical and cold allodynia. Although the analgesic effect of bee venom has been proven to be effective against oxaliplatin-induced peripheral neuropathy, the effect of its major component; melittin has not been studied yet. Thus, in this study, we investigated whether melittin has an analgesic effect on oxaliplatin-induced allodynia. Intraperitoneal single injection of oxaliplatin (6 mg/kg) induced mechanical and cold allodynia, resulting in increased withdrawal behavior in response to von Frey filaments and acetone drop on hind paw. Subcutaneous melittin injection on acupoint ST36 (0.5 mg/kg) alleviated oxaliplatin-induced mechanical and cold allodynia. In electrophysiological study, using spinal in vivo extracellular recording, it was shown that oxaliplatin-induced hyperexcitation of spinal wide dynamic range neurons in response to peripheral stimuli, and melittin administration inhibited this neuronal activity. In behavioral assessment, analgesic effect of melittin was blocked by intrathecal α1- and α2- adrenergic receptor antagonists administration. Based on these results, we suggest that melittin could be used as an analgesic on oxaliplatin-induced peripheral neuropathy, and that its effect is mediated by activating the spinal α1- and α2-adrenergic receptors.

ACS Style

Seunghwan Choi; Hyeon Kyeong Chae; Ho Heo; Dae-Hyun Hahm; Woojin Kim; Sun Kwang Kim. Analgesic Effect of Melittin on Oxaliplatin-Induced Peripheral Neuropathy in Rats. Toxins 2019, 11, 396 .

AMA Style

Seunghwan Choi, Hyeon Kyeong Chae, Ho Heo, Dae-Hyun Hahm, Woojin Kim, Sun Kwang Kim. Analgesic Effect of Melittin on Oxaliplatin-Induced Peripheral Neuropathy in Rats. Toxins. 2019; 11 (7):396.

Chicago/Turabian Style

Seunghwan Choi; Hyeon Kyeong Chae; Ho Heo; Dae-Hyun Hahm; Woojin Kim; Sun Kwang Kim. 2019. "Analgesic Effect of Melittin on Oxaliplatin-Induced Peripheral Neuropathy in Rats." Toxins 11, no. 7: 396.