Related Experiment Video
Updated: Apr 18, 2026
13:22
Adhesion Frequency Assay for In Situ Kinetics Analysis of Cross-Junctional Molecular Interactions at the Cell-Cell Interface
Published on: November 2, 2011
15.5K
Dual pipette aspiration: a unique tool for studying intercellular adhesion.
1Centenary Institute of Cancer Medicine and Cell Biology, The University of Sydney, Sydney, NSW, Australia.
Methods in Cell Biology
|February 3, 2015
Summary
The dual pipette aspiration (DPA) assay allows precise cell manipulation and measurement of cell-cell adhesion forces. This guide details building and using the DPA setup to quantify cell doublet separation forces.
Area of Science:
- Biophysics
- Cell Biology
- Biomaterials
Background:
- The dual pipette aspiration (DPA) assay is a powerful technique for cell micromanipulation.
- It allows for precise measurement of biophysical parameters and high-resolution imaging.
- DPA facilitates controlled cell-cell contact formation and separation.
Purpose of the Study:
- To provide a detailed protocol for building and utilizing the DPA setup.
- To demonstrate the measurement of cell doublet separation forces using DPA.
- To offer recommendations for DPA usage and comparison with other cell adhesion methods.
Main Methods:
- Detailed instructions for preparing and assembling DPA pipettes.
- Calibration procedures for pipettes and pressure control devices.
- Methodology for manipulating cells and calculating separation forces.
Main Results:
- Successful construction and calibration of the DPA setup.
- Quantification of cell doublet separation forces.
- Demonstration of DPA's utility in studying cell-cell adhesion dynamics.
Conclusions:
- The DPA assay is a versatile and effective tool for measuring cell-cell adhesion strength.
- This protocol enables researchers to implement DPA for biophysical studies.
- DPA offers valuable insights into cell mechanics and adhesion compared to other techniques.
