Serine phosphorylation regulates paxillin turnover during cell migration
2006
How Serine Phosphorylation Affects Cell Migration
publication
Evidence: moderate
Author Information
Author(s): Abou Zeid Nancy, Vallés Ana-Maria, Boyer Brigitte
Primary Institution: Institut Curie, CNRS UMR146, Centre Universitaire, Orsay, France
Hypothesis
The study aims to determine the role of paxillin phosphorylation on residues S188 and S190 in the regulation of cell migration.
Conclusion
Serine-regulated degradation of paxillin plays a key role in controlling cell motility.
Supporting Evidence
- Paxillin is regulated by proteasomal degradation following polyubiquitylation.
- Phosphorylation of serines 188/190 is necessary for the protective effect of collagen.
- Cells expressing the S188/190A mutant spread less and migrate more actively.
Takeaway
This study shows that a protein called paxillin helps cells move, and when certain parts of it are changed, the cells move differently.
Methodology
The researchers used NBT-II epithelial cells and created a mutant form of paxillin to study its effects on cell migration and stability.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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