Gq rather than G11 preferentially mediates nociceptor sensitization.
Gq rather than G11 preferentially mediates nociceptor sensitization.
复制标题
DOI:
10.1186/1744-8069-9-54
复制
发表时间:
2013-10-25
期刊:
影响因子:
3.3
通讯作者:
Tappe-Theodor A
中科院分区:
文献类型:
--
作者:
Wirotanseng LN;Kuner R;Tappe-Theodor A
The Gq/11-protein signaling mechanism is essential throughout the nervous system, but little is known about the contribution of the individual G-protein GPCR signaling branches towards nociceptor activation and their specific role on nociceptor sensitization. We aimed to unravel the contribution of the Gq/11-signaling pathway towards nociceptor activation via a variety of classical inflammatory mediators signalling via different G-protein GPCRs and investigated the specific contribution of the individual Gq and G11 G-Proteins in nociceptors. Using different transgenic mouse lines, lacking Gαq, Gα11 or both α-subunit of the G-proteins in primary nociceptive neurons, we analyzed the mechanical- and heat-sensitivity upon application of different GPCR-agonists that are known to play an important role under inflammatory conditions (e.g. ATP, Glutamate, Serotonin etc.). We found that the Gq/11-GPCR signaling branch constitutes a primary role in the manifestation of mechanical allodynia and a minor role in the development of thermal hyperalgesia. Moreover, with respect to the mediators used here, the Gq-protein is the principle G-protein among the Gq/11-protein family in nociceptive neurons leading to nociceptor sensitization. Our results demonstrate that the Gq/11 signaling branch plays a primary role in nociceptor sensitization upon stimulation with classical GPCR ligands, contributing primarily towards the development of mechanically allodynia. Moreover, the deletion of the individual G-proteins led to the finding that the Gq-protein dominates the signalling machinery of the Gq/11 family of G-proteins in nociceptive neurons.
登录
查看更多内容
DOI:
10.1073/pnas.87.23.9113
发表时间:
1990-12-01
影响因子:
11.1
作者:
STRATHMANN, M;SIMON, MI
通讯作者:
SIMON, MI
影响因子:
11.4
作者:
Offermanns, S;Zhao, LP;Wilkie, TM
通讯作者:
Wilkie, TM
影响因子:
5.3
作者:
Kleppisch, T;Voigt, V;Offermanns, S
通讯作者:
Offermanns, S
影响因子:
7.4
作者:
Tappe-Theodor, Anke;Constantin, Cristina E.;Kuner, Rohini
通讯作者:
Kuner, Rohini
DOI:
10.1073/pnas.94.25.14089
发表时间:
1997-12-09
影响因子:
11.1
作者:
Offermanns, S;Hashimoto, K;Simon, MI
通讯作者:
Simon, MI