Ethanol untangles the amygdala-anxiety circuit through tonic GABA inhibition.

Ethanol untangles the amygdala-anxiety circuit through tonic GABA inhibition.
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DOI:
10.1111/acer.12298
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发表时间:
2014-03
期刊:
Alcoholism, clinical and experimental research
影响因子:
--
通讯作者:
Morton RA
Morton RA
中科院分区:
其他
文献类型:
--
作者:
Diaz MR;Morton RA

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中央杏仁核(CeA)在整合应激和乙醇(EtOH)的奖励效应方面发挥着独特的作用,并通过促肾上腺皮质激素释放因子(CRF)的信号传导在EtOH依赖性的发展中发挥重要作用。最近一篇题为“新型亚基特异性强直GABA电流和乙醇在CRF受体-1报告小鼠中央杏仁核中的差异作用”的报告是第一个研究抑制强直电流与CeA中CRF信号传导的关系的研究。该研究结果显著增强了我们对CeA中抑制性强直性电流的理解,并深入了解了EtOH如何不同地影响CeA内的CRF信号,从而导致EtOH依赖性的发展。这篇评论将集中在Herman和他的同事们最近的发现上,并将讨论EtOH对整个焦虑/情绪回路的影响。
The central amygdala (CeA) has a unique role in integrating stress and the rewarding effects of ethanol (EtOH) and plays a major role in the development of EtOH dependence via signaling of corticotropinreleasing factor (CRF). A recent report by entitled “Novel Subunit-Specific Tonic GABA Currents and Differential Effects of Ethanol in the Central Amygdala of CRF Receptor-1 Reporter Mice” is the first study to investigate inhibitory tonic currents in relation to CRF signaling in the CeA. The findings of that study significantly enhance our understanding of inhibitory tonic currents in the CeA and give insight into how EtOH may differentially affect CRF signaling within the CeA, leading to the development of EtOH dependence. This commentary will focus on the recent findings of Herman and colleagues and will discuss the effects of EtOH on the entire anxiety/ emotion circuitry.
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