Evidence for a protein tether involved in somatic touch.
Evidence for a protein tether involved in somatic touch.
复制标题
参与体触感的蛋白质系的证据。
DOI:
10.1038/emboj.2009.398
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发表时间:
2010-02-17
期刊:
影响因子:
11.4
通讯作者:
Lewin, Gary R.
中科院分区:
文献类型:
--
作者:
Hu, Jing;Chiang, Li-Yang;Koch, Manuel;Lewin, Gary R.
The gating of ion channels by mechanical force underlies the sense of touch and pain. The mode of gating of mechanosensitive ion channels in vertebrate touch receptors is unknown. Here we show that the presence of a protein link is necessary for the gating of mechanosensitive currents in all low-threshold mechanoreceptors and some nociceptors of the dorsal root ganglia (DRG). Using TEM, we demonstrate that a protein filament with of length ∼100 nm is synthesized by sensory neurons and may link mechanosensitive ion channels in sensory neurons to the extracellular matrix. Brief treatment of sensory neurons with non-specific and site-specific endopeptidases destroys the protein tether and abolishes mechanosensitive currents in sensory neurons without affecting electrical excitability. Protease-sensitive tethers are also required for touch-receptor function in vivo. Thus, unlike the majority of nociceptors, cutaneous mechanoreceptors require a distinct protein tether to transduce mechanical stimuli.
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影响因子:
3.7
作者:
Drew, Liam J.;Rugiero, Francois;Cesare, Paolo;Gale, Jonathan E.;Abrahamsen, Bjarke;Bowden, Sarah;Heinzmann, Sebastian;Robinson, Michelle;Brust, Andreas;Colless, Barbara;Lewis, Richard J.;Wood, John N.
通讯作者:
Wood, John N.
影响因子:
3.4
作者:
Cho, Hawon;Koo, Jae Yeon;Oh, Uhtaek
通讯作者:
Oh, Uhtaek
影响因子:
5.3
作者:
Cho, HW;Shin, J;Oh, U
通讯作者:
Oh, U
DOI:
10.1073/pnas.93.13.6577
发表时间:
1996-06-25
影响因子:
11.1
作者:
Gu, GQ;Caldwell, GA;Chalfie, M
通讯作者:
Chalfie, M
DOI:
10.1073/pnas.0508005103
发表时间:
2006-03-21
影响因子:
11.1
作者:
Di Castro, A;Drew, LJ;Cesare, P
通讯作者:
Cesare, P