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Related Experiment Videos

Simple method for quantification of fast plasma membrane movements.

N A van Larebeke1, M E Bracke, M M Mareel

  • 1Department of Radiotherapy and Nuclear Medicine, University of Gent, Belgium.

Cytometry
|January 1, 1992
PubMed
Summary

Quantify fast cell membrane movements using a novel image analysis method. This technique measures cell motility, aiding research into processes like ruffling and blebbing.

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Area of Science:

  • Cell Biology
  • Biophysics

Background:

  • Fast plasma membrane dynamics are crucial for cellular functions like motility and shape change.
  • Quantifying these rapid movements has been challenging.

Purpose of the Study:

  • To develop and validate a quantitative method for measuring fast plasma membrane movements.
  • To assess cell motility induced by specific agents.

Main Methods:

  • Utilized Kontron Vidas image analysis software with an inverted microscope.
  • Averaged sequential video frames to create image sets.
  • Subtracted image sets and processed resulting images to highlight areas of movement.
  • Quantified the total area of movement (motile area) per cell.

Main Results:

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  • Developed a method to quantify cell membrane dynamics.
  • Successfully measured motile area in micron squared per cell.
  • Applied the method to study motility induced by 12-O-tetradecanoyl-phorbol-13-acetate and epidermal growth factor in epithelial cells.

Conclusions:

  • The presented method allows for the quantification of rapid plasma membrane movements.
  • This technique is applicable to studying cell motility changes induced by biological factors.