Genomic Action of Sigma-1 Receptor Chaperone Relates to Neuropathic Pain.
Genomic Action of Sigma-1 Receptor Chaperone Relates to Neuropathic Pain.
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Sigma-1受体伴侣的基因组作用与神经病理性疼痛有关。
DOI:
10.1007/s12035-020-02276-8
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发表时间:
2021-06
影响因子:
5.1
通讯作者:
Wu HE
中科院分区:
文献类型:
--
作者:
Wang SM;Goguadze N;Kimura Y;Yasui Y;Pan B;Wang TY;Nakamura Y;Lin YT;Hogan QH;Wilson KL;Su TP;Wu HE
Sigma-1 receptors (Sig-1Rs) are endoplasmic reticulum (ER) chaperones implicated in neuropathic pain. Here we examine if the Sig-1R may relate to neuropathic pain at the level of dorsal root ganglia (DRG). We focus on the neuronal excitability of DRG in a “spare nerve injury” (SNI) model of neuropathic pain in rats and find that Sig-1Rs likely contribute to the genesis of DRG neuronal excitability by decreasing the protein level of voltage-gated Cav2.2 as a translational inhibitor of mRNA. Specifically, during SNI, Sig-1Rs translocate from ER to the nuclear envelope via a trafficking protein Sec61β. At the nucleus, the Sig-1R interacts with cFos and binds to the promoter of 4E-BP1, leading to an upregulation of 4E-BP1 that binds and prevents eIF4E from initiating the mRNA translation for Cav2.2. Interestingly, in Sig-1R knockout HEK cells, Cav2.2 is upregulated. In accordance with those findings, we find that intra-DRG injection of Sig-1R agonist (+)pentazocine increases frequency of action potentials via regulation of voltage-gated Ca2+ channels. Conversely, intra-DRG injection of Sig-1R antagonist BD1047 attenuates neuropathic pain. Hence, we discover that the Sig-1R chaperone causes neuropathic pain indirectly as a translational inhibitor. The online version contains supplementary material available at 10.1007/s12035-020-02276-8.
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影响因子:
15.9
作者:
Kourrich S;Su TP;Fujimoto M;Bonci A
通讯作者:
Bonci A
影响因子:
4
作者:
Berk, Jason M.;Simon, Dan N.;Wilson, Katherine L.
通讯作者:
Wilson, Katherine L.
影响因子:
4.8
作者:
Hong, Weimin Conrad;Yano, Hideaki;Katz, Jonathan L.
通讯作者:
Katz, Jonathan L.
DOI:
10.1001/jama.2016.1464
发表时间:
2016-04-19
期刊:
JAMA
影响因子:
--
作者:
Dowell D;Haegerich TM;Chou R
通讯作者:
Chou R
影响因子:
11
作者:
Kabir ZD;Che A;Fischer DK;Rice RC;Rizzo BK;Byrne M;Glass MJ;De Marco Garcia NV;Rajadhyaksha AM
通讯作者:
Rajadhyaksha AM