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Related Experiment Videos

Dendritic patch-clamp recording.

Jenny T Davie1, Maarten H P Kole, Johannes J Letzkus

  • 1Wolfson Institute for Biomedical Research and Department of Physiology, University College London, Gower Street, London WC1E 6BT, UK.

Nature Protocols
|April 5, 2007
PubMed
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This study presents a refined patch-clamp protocol for recording from neuronal dendrites, enabling detailed analysis of electrical excitability and ion channel function in these crucial neuronal structures.

Area of Science:

  • Neuroscience
  • Electrophysiology

Background:

  • The patch-clamp technique is vital for studying neuronal electrical properties and ion channels.
  • Dendrites, crucial for synaptic integration, are less studied than neuronal somata using patch-clamp.
  • Optimized protocols are needed for reliable dendritic recordings.

Purpose of the Study:

  • To describe a protocol for patch-clamp recordings from neuronal dendrites in brain slices.
  • To enhance the success rate and accessibility of dendritic patch-clamp recordings.
  • To enable various patch-clamp configurations and multiple-electrode recordings from dendrites.

Main Methods:

  • Direct visual control during patch-clamp recording from dendrites.
  • Optimizations in slice preparation, microscopy, setup stability, and electrode approach.

Related Experiment Videos

  • Application of standard patch-clamp configurations (cell-attached, whole-cell, etc.) to dendrites.

    • Main Results:

    • Successful patch-clamp recordings from neuronal dendrites, including distal regions.
    • Achieved all standard patch-clamp configurations (cell-attached, inside-out, whole-cell, outside-out, perforated patch).
    • Demonstrated feasibility of simultaneous multiple-electrode dendritic recordings.

    Conclusions:

    • The described protocol significantly improves the success rate of dendritic patch-clamp recordings.
    • This method allows comprehensive investigation of dendritic electrical excitability and ion channel function.
    • The protocol is efficient, with recordings possible within 3 hours of slice preparation.