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Two-photon optogenetics of dendritic spines and neural circuits

Nature Methods volume 9, pages 12021205 (2012) | Download Citation

Abstract

We demonstrate a two-photon optogenetic method that generates action potentials in neurons with single-cell precision, using the red-shifted opsin C1V1T. We applied the method to optically map synaptic circuits in mouse neocortical brain slices and to activate small dendritic regions and individual spines. Using a spatial light modulator, we split the laser beam onto several neurons and performed simultaneous optogenetic activation of selected neurons in three dimensions.

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Acknowledgements

We thank M. Agetsuma and Y. Shin for assistance with viral injections and surgeries, and other members of the laboratory for help and comments. R.Y., A.M.P., J.J.H. and D.S.P. are supported by the HHMI, Kavli Institute for Brain Science, National Eye Institute, Keck Foundation, Deutsche Forschungsgemeinschaft (DFG grant HI 1728/1-1 to J.J.H.) and Department of Defense Multidisciplinary University Research Initiative Program. R.P. is supported by the US National Institute of Mental Health. K.D. is supported by the HHMI, US National Institutes of Health, California Institute for Regenerative Medicine, Gatsby Foundation and Defense Advanced Research Projects Agency Reorganization and Plasticity to Accelerate Injury Recovery Program.

Author information

Author notes

    • Adam M Packer

    Present address: Wolfson Institute for Biomedical Research, University College London, London, UK.

    • Adam M Packer
    •  & Darcy S Peterka

    These authors contributed equally to this work.

Affiliations

  1. Howard Hughes Medical Institute (HHMI), Columbia University, New York, New York, USA.

    • Adam M Packer
    • , Darcy S Peterka
    • , Jan J Hirtz
    •  & Rafael Yuste
  2. Department of Biological Sciences, Columbia University, New York, New York, USA.

    • Adam M Packer
    • , Darcy S Peterka
    •  & Rafael Yuste
  3. HHMI, Stanford University, Stanford, California, USA.

    • Rohit Prakash
    •  & Karl Deisseroth
  4. Department of Bioengineering, Stanford University, Stanford, California, USA.

    • Rohit Prakash
    •  & Karl Deisseroth

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Contributions

A.M.P., D.S.P. and R.Y. designed and built the microscope software and hardware. A.M.P., D.S.P. and J.J.H. performed experiments, data analysis and quantification. R.P. and K.D. provided viral constructs, technical assistance, advice and opsin characterization. A.M.P., D.S.P., J.J.H. and R.Y. contributed to the writing of the manuscript.

Competing interests

The authors declare no competing financial interests.

Corresponding author

Correspondence to Rafael Yuste.

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    Supplementary Text and Figures

    Supplementary Figures 1–10 and Supplementary Table 1

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DOI

https://doi.org/10.1038/nmeth.2249

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