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Brief Guide to Patch-Clamp Current Measurements in Organelle Membranes

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Patch Clamp Techniques

Part of the book series: Springer Protocols Handbooks ((SPH))

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Abstract

The standard giga-seal patch-clamp techniques opened the way to monitor ion-channel activity in the native organelle membrane in situ. One has to have an organelle preparation, covered with the intact membrane carrying rightly oriented channel proteins and suitable for proper patch-clamping. Here we deal with the intact “native” organelle, the nucleus with an inner and outer nucleic membrane (nuclear envelope), and mitochondria without the outer membrane but an intact inner membrane (mitoplast). We collect them by rupturing the cell using a variety of procedures including cell homogenization, cell swelling with a hypotonic solution, cell shaking in a Na citrate solution, and their appropriate combination, usually modified by individual laboratories.

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Correspondence to Yoshio Maruyama .

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© 2012 Springer

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Maruyama, Y., Hazama, A. (2012). Brief Guide to Patch-Clamp Current Measurements in Organelle Membranes. In: Okada, Y. (eds) Patch Clamp Techniques. Springer Protocols Handbooks. Springer, Tokyo. https://doi.org/10.1007/978-4-431-53993-3_18

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  • DOI: https://doi.org/10.1007/978-4-431-53993-3_18

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-53992-6

  • Online ISBN: 978-4-431-53993-3

  • eBook Packages: Springer Protocols

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