Activation of ATP-sensitive potassium channels antagonize nociceptive behavior and hyperexcitability of DRG neurons from rats.
Activation of ATP-sensitive potassium channels antagonize nociceptive behavior and hyperexcitability of DRG neurons from rats.
复制标题
ATP 敏感钾通道的激活可拮抗大鼠 DRG 神经元的伤害感受行为和过度兴奋。
DOI:
10.1186/1744-8069-7-35
复制
发表时间:
2011-05-14
期刊:
影响因子:
3.3
通讯作者:
Zhang H
中科院分区:
文献类型:
--
作者:
Du X;Wang C;Zhang H
Nociceptive responses to noxious stimuli are initiated at peripheral nociceptor terminals. Ion channels play a vital role in pain signal initiation and conduction. Activation of KATP channels has been implicated in mediating the analgesic effects of agents such as morphine. However, systematic studies regarding the effects of KATP activators on nociception and neuronal excitability are scarce. In this study, we describe the antagonistic effects of KATP activators pinacidil and diazoxide on nocifensive behavior induced by bradykinin (BK), thermo and mechanical stimuli, and the bradykinin-induced hyperexcitability of DRG neurons. We also found that KATP activators can moderately activate KATP in DRG neurons. Because the effects of KATP activators can be reversed by the KATP blocker glyburide, direct activation of KATP is most likely the underlying mechanism. This systematic study clearly demonstrates that activation of KATP could have significant modulatory effects on the excitability of sensory neurons and thus on sensory behaviors, such as nociception. KATP activators can be evaluated clinically for the treatment of pain symptoms.
登录
查看更多内容
影响因子:
15.9
作者:
Liu, Boyi;Linley, John E.;Gamper, Nikita
通讯作者:
Gamper, Nikita
影响因子:
64.8
作者:
Chuang, HH;Prescott, ED;Julius, D
通讯作者:
Julius, D
DOI:
10.1073/pnas.0901815106
发表时间:
2009-05-26
影响因子:
11.1
作者:
Kawano, Takashi;Zoga, Vasiliki;Sarantopoulos, Constantine
通讯作者:
Sarantopoulos, Constantine
影响因子:
16.2
作者:
Cesare, P;Dekker, LV;McNaughton, PA
通讯作者:
McNaughton, PA
影响因子:
5
作者:
Couture, R;Harrisson, M;Cloutier, F
通讯作者:
Cloutier, F