Activation of c-jun N-terminal kinase in spinal cord contributes to breast cancer induced bone pain in rats.
Activation of c-jun N-terminal kinase in spinal cord contributes to breast cancer induced bone pain in rats.
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脊髓中 c-jun N 末端激酶的激活导致乳腺癌引起的大鼠骨痛
DOI:
10.1186/1756-6606-5-21
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发表时间:
2012-06-09
期刊:
影响因子:
3.6
通讯作者:
Wang YQ
中科院分区:
文献类型:
--
作者:
Wang XW;Hu S;Mao-Ying QL;Li Q;Yang CJ;Zhang H;Mi WL;Wu GC;Wang YQ
The most frequent pain in patients with metastatic breast and prostate cancer is bone pain, which can be severe and difficult to treat. The mechanisms underlying this pain remain unclear. Here we investigated the role of c-jun N-terminal kinase (JNK) pathway in the spinal cord in cancer-induced bone pain (CIBP). In this study, we used an established rat CIBP model to investigate the possible role of JNK activation in the spinal cord. After intra-tibial inoculation with Walker 256 rat mammary gland carcinoma cells, the rats displayed mechanical allodynia on day 5, which lasted to day 16. The activation of JNK in neurons and astrocytes in the spinal cord was found on day 12 and day 16 after intra-tibial inoculation with carcinoma cells. A single intrathecal injection with JNK inhibitor SP600125 by lumbar puncture attenuated mechanical allodynia on day 12, and repeated intrathecal injection of SP600126 from day 10 to day 14 had a cumulative analgesic effect on CIBP. Taken together, our results demonstrated for the first time that JNK activation in the spinal cord is required in the maintenance of CIBP. Inhibition of the spinal JNK pathway may provide a new therapy for CIBP management.
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影响因子:
7.4
作者:
Gao YJ;Xu ZZ;Liu YC;Wen YR;Decosterd I;Ji RR
通讯作者:
Ji RR
影响因子:
3.3
作者:
Gu X;Zheng Y;Ren B;Zhang R;Mei F;Zhang J;Ma Z
通讯作者:
Ma Z
影响因子:
6.2
作者:
Gao, Yong-Jing;Zhang, Ling;Ji, Ru-Rong
通讯作者:
Ji, Ru-Rong
影响因子:
2.5
作者:
Gao, Yong-Jing;Ji, Ru-Rong
通讯作者:
Ji, Ru-Rong
影响因子:
7.8
作者:
Cavalli, V;Kujala, P;Goldstein, LSB
通讯作者:
Goldstein, LSB