Inhibition of the kinase WNK1/HSN2 ameliorates neuropathic pain by restoring GABA inhibition.
Inhibition of the kinase WNK1/HSN2 ameliorates neuropathic pain by restoring GABA inhibition.
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DOI:
10.1126/scisignal.aad0163
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发表时间:
2016-03-29
影响因子:
7.3
通讯作者:
Rouleau GA
中科院分区:
文献类型:
--
作者:
Kahle KT;Schmouth JF;Lavastre V;Latremoliere A;Zhang J;Andrews N;Omura T;Laganière J;Rochefort D;Hince P;Castonguay G;Gaudet R;Mapplebeck JC;Sotocinal SG;Duan J;Ward C;Khanna AR;Mogil JS;Dion PA;Woolf CJ;Inquimbert P;Rouleau GA
WNK1/HSN2 kinase, mutated in a Mendelian form of congenital pain insensitivity, contributes to a maladaptive decrease in KCC2 cotransporter activity and a loss of GABA inhibition in the spared nerve injury (SNI) model of neuropathic pain by increasing KCC2 inhibitory phosphorylation at Thr906/Thr1007. Antagonizing WNK1/HSN2 signaling reduces SNI-induced cold allodynia and mechanical hyperalgesia, decreases up-regulated KCC2 Thr906/Thr1007 phosphorylation, and normalizes pathological GABA depolarizations of injured spinal cord lamina II neurons. These data collectively provide novel mechanistic insight into, and a compelling therapeutic target for, neuropathic pain after nerve injury.
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