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In vitro Cell Migration and Invasion Assays
Published on: June 1, 2014
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Probing for protein-protein interactions during cell migration: limitations and challenges
Jeremy Soon Kiat Chan1, Zi Teo1, Ming Keat Sng1
1School of Biological Sciences, Nanyang Technological University, Singapore.
Histology and Histopathology
|February 20, 2014
Summary
Understanding protein-protein interactions (PPIs) is key to modulating cell migration for therapeutic benefit. This review details four common methods for studying PPIs in various biological samples, aiding researchers in selecting appropriate techniques.
Area of Science:
- Cell Biology
- Molecular Biology
- Biochemistry
Background:
- Cellular migration is crucial from embryogenesis to cancer metastasis.
- Signal transduction cascades, driven by protein-protein interactions (PPIs), control cell migration.
- Current histological techniques often fail to confirm direct PPIs, merely showing co-localization.
Purpose of the Study:
- To review commonly used methods for studying protein-protein interactions (PPIs) in cell migration.
- To provide a framework for researchers to select the most suitable experimental method for their goals.
- To highlight techniques that enable the study of PPIs in diverse biological contexts.
Main Methods:
- Co-immunoprecipitation (Co-IP)
- Bimolecular fluorescence complementation (BiFC)
- Proximity ligation assay (PLA)
- Surface plasmon resonance (SPR)
Main Results:
- These four methods allow for the study of PPIs in cell lysates, live cells, fixed cells, and tissues.
- The discussed techniques facilitate the quantification of endogenous PPIs.
- Researchers can explore the nature and dynamics of PPIs underlying cell migration.
Conclusions:
- Studying PPIs is vital for understanding and potentially therapeutically targeting cell migration.
- The reviewed methods offer versatile approaches to investigate PPIs in various biological samples.
- A structured approach aids researchers in choosing the optimal method for their specific research questions.
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