The psychiatric disease risk factors DISC1 and TNIK interact to regulate synapse composition and function.

The psychiatric disease risk factors DISC1 and TNIK interact to regulate synapse composition and function.
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DOI:
10.1038/mp.2010.87
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发表时间:
2011-10
影响因子:
11
通讯作者:
Brandon, N. J.
Brandon, N. J.
中科院分区:
医学1区
文献类型:
--
作者:
Wang, Q.;Charych, E. I.;Pulito, V. L.;Lee, J. B.;Graziane, N. M.;Crozier, R. A.;Revilla-Sanchez, R.;Kelly, M. P.;Dunlop, A. J.;Murdoch, H.;Taylor, N.;Xie, Y.;Pausch, M.;Hayashi-Takagi, A.;Ishizuka, K.;Seshadri, S.;Bates, B.;Kariya, K.;Sawa, A.;Weinberg, R. J.;Moss, S. J.;Houslay, M. D.;Yan, Z.;Brandon, N. J.

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精神分裂症1(DISC 1)是多种严重精神疾病(包括精神分裂症,双相情感障碍和自闭症)的遗传风险因素,是与正常发育和疾病过程相关的多种神经元功能的关键调节因子。由于这些疾病被认为在突触功能和结构方面有共同的缺陷,我们使用一种专注于理解DISC 1在突触处的蛋白质-蛋白质相互作用的方法分析了DISC 1的作用。我们确定了Traf 2和Nck相互作用激酶(TNIK),一个新兴的疾病风险因素本身,作为DISC 1的关键突触伙伴,并提供证据表明DISC 1-TNIK相互作用通过稳定关键突触后密度蛋白的水平来调节突触组成和活动。了解新的DISC 1-TNIK相互作用可能会提供深入了解的病因和主要精神疾病中发现的潜在突触缺陷。
Disrupted in schizophrenia 1 (DISC1), a genetic risk factor for multiple serious psychiatric diseases including schizophrenia, bipolar disorder and autism, is a key regulator of multiple neuronal functions linked to both normal development and disease processes. As these diseases are thought to share a common deficit in synaptic function and architecture, we have analyzed the role of DISC1 using an approach that focuses on understanding the protein– protein interactions of DISC1 specifically at synapses. We identify the Traf2 and Nck-interacting kinase (TNIK), an emerging risk factor itself for disease, as a key synaptic partner for DISC1, and provide evidence that the DISC1–TNIK interaction regulates synaptic composition and activity by stabilizing the levels of key postsynaptic density proteins. Understanding the novel DISC1–TNIK interaction is likely to provide insights into the etiology and underlying synaptic deficits found in major psychiatric diseases.
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