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Updated: May 6, 2026

Preparation and Structural Evaluation of Epithelial Cell Monolayers in a Physiologically Sized Microfluidic Culture Device
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Model approaches for evaluation of cell coupling in monolayers.

J Siegenbeek van Heukelom1, J J Denier van der Gon, F J Prop

  • 1Medical Physics Department, Physical Laboratory, State University of Utrecht, Utrecht, The Netherlands.

The Journal of Membrane Biology
|November 2, 2013
PubMed
Summary

This study quantifies the electrical coupling of chick embryo intestinal epithelial cells. Researchers determined specific resistance and capacitance values for cell membranes, providing insights into epithelial cell function.

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Area of Science:

  • Cell Biology
  • Biophysics
  • Epithelial Physiology

Background:

  • Epithelial cells form critical barriers in organs like the intestine.
  • Understanding their electrical coupling is vital for comprehending tissue function and development.
  • Chick embryo intestinal cells offer a model for studying fundamental epithelial properties.

Purpose of the Study:

  • To investigate and quantify the electrical coupling of chick embryo intestinal epithelial cells in vitro.
  • To determine the electrical resistance and capacitance of both junctional and non-junctional cell membranes.
  • To develop and validate models for assessing epithelial electrical properties.

Main Methods:

  • Culturing chick embryo intestinal epithelial cells in monolayers.
  • Employing a discrete honeycomb model to represent cell-cell coupling.
  • Utilizing a continuous model for electrical property analysis.
  • Correlating model data with electron microscopy for membrane structure considerations.

Main Results:

  • Non-junctional membrane resistance (ϱ m) estimated at 250–2,000 Ω cm(2).
  • Junctional membrane resistance (ϱ m) estimated at 5–50 Ω cm(2).
  • Non-junctional membrane capacitance (C m) determined to be 5–50 μF/cm(2).

Conclusions:

  • Discrete and continuous models provide consistent estimations of epithelial electrical properties.
  • The study provides key electrical parameters for chick embryo intestinal epithelial cells.
  • Further corrections accounting for membrane surface features are suggested for more precise values.