A new era for functional labeling of neurons: activity-dependent promoters have come of age.

A new era for functional labeling of neurons: activity-dependent promoters have come of age.
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DOI:
10.3389/fncir.2014.00037
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发表时间:
2014
影响因子:
3.5
通讯作者:
Bito H
Bito H
中科院分区:
医学3区
文献类型:
--
作者:
Kawashima T;Okuno H;Bito H

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具有特定反应特征的神经元的遗传标记是一种新兴的技术,用于精确解剖在单细胞水平上功能异质的脑回路。虽然立即早期基因定位已被广泛用于几十年来,以确定由外部刺激激活的大脑区域,最近表征的启动子和增强子元件负责神经元的活性依赖性转录开辟了新的途径,活成像的活性神经元。事实上,这些进展为越来越多的新实验提供了基础,以解决活跃神经元网络在认知行为中的作用。本文综述了活性依赖型启动子的应用和发展现状,并展望了这一新兴领域的发展方向。
Genetic labeling of neurons with a specific response feature is an emerging technology for precise dissection of brain circuits that are functionally heterogeneous at the single-cell level. While immediate early gene mapping has been widely used for decades to identify brain regions which are activated by external stimuli, recent characterization of the promoter and enhancer elements responsible for neuronal activity-dependent transcription have opened new avenues for live imaging of active neurons. Indeed, these advancements provided the basis for a growing repertoire of novel experiments to address the role of active neuronal networks in cognitive behaviors. In this review, we summarize the current literature on the usage and development of activity-dependent promoters and discuss the future directions of this expanding new field.
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