Brief Guide to Patch-Clamp Current Measurements in Organelle Membranes

  • Yoshio Maruyama
  • Akihiro Hazama
Part of the Springer Protocols Handbooks book series (SPH)


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.


Acinar Cell Nuclear Envelope Pancreatic Acinar Cell Hypotonic Solution Glass Pipette 
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Copyright information

© Springer 2012

Authors and Affiliations

  1. 1.Department of PhysiologyTohoku University Graduate School of MedicineSendaiJapan
  2. 2.Fukushima Medical UniversityFukushimaJapan

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