Related Experiment Videos
Cell-adhesion and substrate-adhesion molecules: their instructive roles in neural crest cell migration
G C Tucker1, J L Duband, S Dufour
1Laboratoire de Physiopathologie du Développement, Ecole Normale Supérieure et CNRS, Paris, France.
Development (Cambridge, England)
|January 1, 1988
Summary
Neural crest cell migration involves changes in cell adhesion molecules and extracellular matrix interactions, particularly fibronectins, influencing cell movement and pathways.
Area of Science:
- Developmental biology
- Cell biology
- Molecular biology
Background:
- Neural crest cell individualization from neural folds/tube involves complex mechanisms.
- Cell detachment correlates with decreased cell adhesion molecule expression.
Purpose of the Study:
- To investigate the molecular mechanisms of neural crest cell migration.
- To understand the role of cell-environment interactions in migration.
Main Methods:
- Analysis of cell adhesion molecule distribution.
- Experiments on extracellular matrix components, focusing on fibronectins.
- Studies on fibronectin receptors.
Main Results:
- Cell detachment linked to reduced intercellular adhesion.
- Fibronectins are crucial for cell attachment, spreading, and motility.
- Differences observed between motile and stationary cells based on fibronectin receptor interactions.
Conclusions:
- Fibronectin interactions are key to understanding neural crest cell migration.
- Further research can elucidate regulation of cell-fibronectin interactions and migration pathway specificity.