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Updated: May 29, 2026

Bead Aggregation Assays for the Characterization of Putative Cell Adhesion Molecules

Bead Aggregation Assays for the Characterization of Putative Cell Adhesion Molecules

Published on: October 17, 2014

Cell adhesion assays.

Gabriele Weitz-Schmidt¹, Stéphanie Chreng

¹Novartis Institutes for BioMedical Research, Basel, Switzerland. gabriele.weitz-schmidt@unibas.ch

Methods in Molecular Biology (Clifton, N.J.)

|September 13, 2011

Summary

This summary is machine-generated.

This study introduces a novel adhesion assay using V-bottom plates that eliminates washing steps. This method efficiently quantifies leukocyte adhesion, offering a simpler approach for screening and diagnostics.

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Bead Aggregation Assays for the Characterization of Putative Cell Adhesion Molecules

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Adhesion Frequency Assay for In Situ Kinetics Analysis of Cross-Junctional Molecular Interactions at the Cell-Cell Interface

Adhesion Frequency Assay for In Situ Kinetics Analysis of Cross-Junctional Molecular Interactions at the Cell-Cell Interface

Published on: November 2, 2011

Area of Science:

Cellular Biology
Immunology
Biotechnology

Background:

Standard cell adhesion assays often require multiple washing steps, complicating the process.
Existing methods can be time-consuming and labor-intensive for analyzing cell binding.
There is a need for streamlined assays to study cell adhesion dynamics.

Purpose of the Study:

To develop and validate a simplified adhesion assay that avoids washing steps.
To provide a reproducible method for quantifying leukocyte adhesion to ligands.
To adapt the assay for screening applications and potential diagnostic use.

Main Methods:

Utilized V-bottom 96-well plates for cell adhesion experiments.
Employed fluorescently labeled leukocytes and soluble ligands immobilized on plate surfaces.
Applied centrifugal force to separate adherent and nonadherent cells, followed by fluorometric quantification.
Validated the assay using selectin and integrin families, specifically lymphocyte function-associated molecule-1 (LFA-1) and intercellular adhesion molecule-1 (ICAM-1) interactions.

Main Results:

The V-bottom plate assay successfully quantified adherent leukocytes without requiring washing steps.
The method demonstrated reproducibility and effectiveness across different adhesion molecule families.
The assay proved adaptable for studying various adhesive interactions, including LFA-1/ICAM-1.

Conclusions:

The developed V-bottom well plate assay offers a simplified, wash-free method for measuring cell adhesion.
This technique is suitable for high-throughput screening of adhesion molecules and potential diagnostic applications.
The assay provides a robust and reproducible platform for studying leukocyte-endothelial interactions.