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In vitro Cell Migration and Invasion Assays
Published on: June 1, 2014
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A simple non-perturbing cell migration assay insensitive to proliferation effects
Honor L Glenn1, Jacob Messner1, Deirdre R Meldrum1
1Center for Biosignatures Discovery Automation, The Biodesign Institute, Arizona State University, Tempe, AZ 85287 USA.
Scientific Reports
|August 19, 2016
Summary
This study introduces a novel method to accurately measure cell migration by using a lineage-tracing vital stain. This technique distinguishes migration from cell proliferation in standard assays, offering a simple and robust solution.
Area of Science:
- Cell Biology
- Biotechnology
- Cancer Research
Background:
- Cell migration is crucial for development and health, but also implicated in cancer metastasis.
- Accurate measurement of cell migration is vital for understanding cellular processes and disease.
- Existing exclusion zone assays confound migration with cell proliferation.
Purpose of the Study:
- To develop a modified exclusion zone assay that exclusively measures cell migration.
- To overcome the limitation of proliferation confounding migration measurements.
- To provide a simple, robust, and inexpensive method for quantifying cell migration.
Main Methods:
- Utilized a lineage-tracing vital stain retained through cell generations.
- Applied the stain to a modified exclusion zone migration assay.
- Validated the method across various cell types and conditions.
Main Results:
- The modified assay successfully isolated cell migration from cell proliferation.
- The lineage-tracing stain provided a reliable readout of migration relative to parental cells.
- The method demonstrated robustness in normal, cancer, and primary cells.
Conclusions:
- A simple modification to the exclusion zone assay enables exclusive measurement of cell migration.
- This lineage-tracing approach is non-perturbing, inexpensive, and broadly applicable.
- The validated method offers a significant improvement for studying cell migration in diverse biological contexts.
