Permanent genetic access to transiently active neurons via TRAP: targeted recombination in active populations.
Permanent genetic access to transiently active neurons via TRAP: targeted recombination in active populations.
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DOI:
10.1016/j.neuron.2013.03.025
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发表时间:
2013-06-05
期刊:
影响因子:
16.2
通讯作者:
Luo L
中科院分区:
文献类型:
--
作者:
Guenthner CJ;Miyamichi K;Yang HH;Heller HC;Luo L
Targeting genetically encoded tools for neural circuit dissection to relevant cellular populations is a major challenge in neurobiology. We developed a new approach, Targeted Recombination in Active Populations (TRAP), to obtain genetic access to neurons that were activated by defined stimuli. This method utilizes mice in which the tamoxifen-dependent recombinase CreERT2 is expressed in an activity-dependent manner from the loci of the immediate early genes Arc and Fos. Active cells that express CreERT2 can undergo recombination only when tamoxifen is present, allowing genetic access to neurons that are active during a time window of less than 12 h. We show that TRAP can selectively provide access to neurons activated by specific somatosensory, visual, and auditory stimuli, and by experience in a novel environment. When combined with tools for labeling, tracing, recording, and manipulating neurons, TRAP offers a powerful new approach for understanding how the brain processes information and generates behavior.
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DOI:
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