Article Publish Status: FREE
Abstract Title:

The Analgesic and Antineuroinflammatory Effect of Baicalein in Cancer-Induced Bone Pain.

Abstract Source:

Evid Based Complement Alternat Med. 2015 ;2015:973524. Epub 2015 Nov 15. PMID: 26649065

Abstract Author(s):

Shan Hu, Yu Chen, Zhi-Fu Wang, Qi-Liang Mao-Ying, Wen-Li Mi, Jian-Wei Jiang, Gen-Cheng Wu, Yan-Qing Wang

Article Affiliation:

Shan Hu


Cancer-induced bone pain (CIBP) is a severe type of chronic pain. It is imperative to explore safe and effective analgesic drugs for CIBP treatment. Baicalein (BE), isolated from the traditional Chinese herbal medicine Scutellaria baicalensis Georgi (or Huang Qin), has been demonstrated to have anti-inflammatory and neuroprotective effects. In this study, we examined the effect of BE on CIBP and the mechanism of this effect. Intrathecal and oral administration of BE at different doses could alleviate the mechanical allodynia in CIBP rats. Intrathecal 100 μg BE could inhibit the production of IL-6 and TNF-α in the spinal cord of CIBP rats. Moreover, intrathecal 100 μg BE could effectively inhibit the activation of p-p38 and p-JNK MAPK signals in CIBP rats. The analgesic effect of BE may be associated with the inhibition of the expression of the inflammatory cytokines IL-6 and TNF-α and through the activation of p-p38 and p-JNK MAPK signals in the spinal cord. These findings suggest that BE is a promising novel analgesic agent for CIBP.

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