A thin slice preparation for patch clamp recordings from neurones of the mammalian central nervous system (original) (raw)

Abstract

(1) A preparation is described which allows patch clamp recordings to be made on mammalian central nervous system (CNS) neurones in situ. (2) A vibrating tissue slicer was used to cut thin slices in which individual neurones could be identified visually. Localized cleaning of cell somata with physiological saline freed the cell membrane, allowing the formation of a high resistance seal between the membrane and the patch pipette. (3) The various configurations of the patch clamp technique were used to demonstrate recording of membrane potential, whole cell currents and single channel currents from neurones and isolated patches. (4) The patch clamp technique was used to record from neurones filled with fluorescent dyes. Staining was achieved by filling cells during recording or by previous retrograde labelling. (5) Thin slice cleaning and patch clamp techniques were shown to be applicable to the spinal cord and almost any brain region and to various species. These techniques are also applicable to animals of a wide variety of postnatal ages, from newborn to adult.

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Authors and Affiliations

1. Abteilung Zellphysiologie, Max Planck-Institut für medizinische Forschung, D-6900, Heidelberg, Federal Republic of Germany
   F. A. Edwards & B. Sakmann
2. Max Planck-Institut für biophysikalische Chemie, D-3400, Göttingen, Federal Republic of Germany
   A. Konnerth
3. Department of Physiology, Kyoto University Faculty of Medicine, 606, Kyoto, Japan
   T. Takahashi

Authors

1. F. A. Edwards
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2. A. Konnerth
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3. B. Sakmann
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4. T. Takahashi
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Edwards, F.A., Konnerth, A., Sakmann, B. et al. A thin slice preparation for patch clamp recordings from neurones of the mammalian central nervous system.Pflugers Arch. 414, 600–612 (1989). https://doi.org/10.1007/BF00580998

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• Received: 07 November 1988
• Revised: 31 January 1989
• Accepted: 14 February 1989
• Issue Date: September 1989
• DOI: https://doi.org/10.1007/BF00580998

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