Journal
PEERJ
Volume 3, Issue -, Pages -Publisher
PEERJ INC
DOI: 10.7717/peerj.936
Keywords
Lappaconitine; Leukemia; Bone pain; Analgesia
Categories
Funding
- Zhejiang Provincial Nature Science Foundation of China [LY14C050003]
- National Natural Science Foundation of China [31470071]
- New Century 151 Talent Project of Zhejiang Province
- 521 Talent Foundation of Zhejiang Sci-Tech University, Zhejiang Provincial Top Key Discipline of Biology
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Bone pain is a common and severe symptom in cancer patients. The present study employed a mouse model of leukemia bone pain by injection K562 cells into tibia of mouse to evaluate the analgesic effects of lappacontine. Our results showed that the lappaconitine treatment at day 15, 17 and 19 could effectively reduce the spontaneous pain scoring values, restore reduced degree in the inclined-plate test induced by injection of K562 cells, as well as restore paw mechanical withdrawal threshold and paw withdrawal thermal latency induced by injection of K562 cells to the normal levels. Additionally, the molecular mechanisms of lappaconitine's analgesic effects may be related to affect the expression levels of endogenous opioid system genes (POMC, PENK and MOR), as well as apoptosis-related genes (Xiap, Smac, Bim, NF-kappa B and p53). Our present results indicated that lappaconitine may become a new analgesic agent for leukemia bone pain management.
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