Light-induced silencing of neural activity in Rosa26 knock-in mice conditionally expressing the microbial halorhodopsin eNpHR2.0

被引:8
|
作者
Imayoshi, Itaru [1 ,2 ,3 ]
Tabuchi, Sawako [4 ]
Hirano, Kyoko [1 ,5 ]
Sakamoto, Masayuki [1 ,5 ]
Kitano, Satsuki [1 ]
Miyachi, Hitoshi [1 ]
Yamanaka, Akihiro [3 ,4 ]
Kageyama, Ryoichiro [1 ,6 ]
机构
[1] Kyoto Univ, Inst Virus Res, Kyoto 6068507, Japan
[2] Kyoto Univ, Hakubi Ctr, Kyoto 6068507, Japan
[3] Japan Sci & Technol Agcy, Precursory Res Embryon Sci & Technol PRESTO, Kawaguchi, Saitama 3320012, Japan
[4] Natl Inst Physiol Sci, Div Cell Signaling, Okazaki, Aichi 4448787, Japan
[5] Kyoto Univ, Grad Sch Biostudies, Kyoto 6068502, Japan
[6] Japan Sci & Technol Agcy, Core Res Evolut Sci & Technol CREST, Kyoto 6068507, Japan
基金
日本科学技术振兴机构;
关键词
Cre; Flp; Optogenetics; eNpHR; Rosa26; TRANSGENIC MICE; NEURONS; INTERROGATION; ACTIVATION; CIRCUITRY; GENE; VIVO;
D O I
10.1016/j.neures.2012.03.008
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Temporally precise inhibition of genetically defined cell populations in intact nervous systems has been enabled by the microbial halorhodopsin NpHR, a fast, light-activated chloride pump. Here, we report the generation of new mouse strains that express eNpHR2-EYFP fusion proteins after Cre- and/or Flp-mediated recombination to silence neural activity in vivo. In these mouse strains, Cre/Flp recombination induced a high-level of eNpHR2-EYFP expression. Slice whole-cell patch clamp experiments confirmed that eNpHR2-EYFP-expressing neurons could be optically hyperpolarized and inhibited from firing action potentials. Thus, these mouse strains offer powerful tools for light-induced silencing of neural activity in genetically defined cell populations. (C) 2012 Elsevier Ireland Ltd and the Japan Neuroscience Society. All rights reserved.
引用
收藏
页码:53 / 58
页数:6
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