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Vgat chr2 yfp mice

Manufactured by Jackson ImmunoResearch

VGAT-ChR2-YFP mice express channelrhodopsin-2 (ChR2) fused to yellow fluorescent protein (YFP) under the control of the vesicular GABA transporter (VGAT) promoter. This allows for optical control and visualization of GABAergic neurons in these transgenic mice.

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3 protocols using vgat chr2 yfp mice

1

Optogenetic Inactivation in C57BL/6J Mice

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All experimental procedures were approved by the Harvard Medical School Institutional Animal Care and Use Committee and were performed in compliance with the Guide for the Care and Use of Laboratory Animals. All imaging data were obtained from five male C57BL/6J-Tg(Thy1-GCaMP6s) GP4.12Dkim/J mice. For the optogenetic inactivation experiments, three male VGAT-ChR2-YFP mice were used (The Jackson Laboratory). All mice were 8-10 weeks old at the start of behavioral training, 12-24 weeks old during imaging and optogenetic experiments, and had not undergone previous procedures. Mice were kept on a reversed 12 h dark/light cycle and housed in groups of up to four littermates per cage. Mouse health was checked daily.
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2

Optogenetic Inhibition in Mouse Behavior

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All experimental procedures were approved by the Harvard Medical School Institutional Animal Care and Use Committee and were performed in compliance with the Guide for Animal Care and Use of Laboratory Animals. Behavioral and imaging data were obtained from eight male C57BL/6J mice from Jackson Laboratory (stock no. 000664). Mice were 10–12 weeks old at the start of behavioral training, and 3–6 months old during imaging. For optogenetic inhibition experiments, seven male VGAT-ChR2-YFP mice from Jackson Laboratory (stock no. 014548) were used. These mice were 10 weeks to 1 year old during the photoinhibition experiments. All mice were kept on a reversed 12-hour dark/light cycle and housed in groups of 2–3 littermates per cage.
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3

Optogenetic and Calcium Imaging in Murine Cognitive Tasks

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All experimental procedures were approved by the Harvard Medical School Institutional Animal Care and Use Committee and were performed in compliance with the Guide for the Care and Use of Laboratory Animals. All optogenetic inhibition data were acquired from 19 male VGAT-ChR2-YFP mice (The Jackson Laboratory, stock 014548). All calcium imaging data were acquired from six C57BL/6J-Tg (Thy1-GCaMP6s) GP4.3Dkim/J mice (stock 024275) of both sexes (five females, one male). Mice were 11–32 weeks old at the start of behavioral training. Age at training start did not vary systematically across tasks (simple task: 21 ± 7 weeks (n = 7), switching task: 17 ± 5 weeks (n = 13), delay task: 21 ± 11 weeks (n = 5), mean ± standard deviation (SD), including photoinhibition and calcium imaging mice). Mice were kept on a reverse dark/light cycle and housed in groups of 2–3 littermates per cage (mice for optogenetic inhibition) or single housed (mice for calcium imaging).
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