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Flotillins in intercellular adhesion - from cellular physiology to human diseases
Stéphane Bodin1, Damien Planchon2, Eduardo Rios Morris2
1Equipe Labellisée Ligue Contre le Cancer, Universités Montpellier 2 et 1, CRBM, CNRS, UMR 5237, 1919 Route de Mende, 34293 Montpellier, France stephane.bodin@crbm.cnrs.fr cecile.gauthier@crbm.cnrs.fr.
Journal of Cell Science
|November 22, 2014
Summary
Flotillins are key proteins regulating cell-cell adhesion by stabilizing cadherin complexes. Their dysregulation is linked to neurodegenerative diseases and cancer metastasis, highlighting their pathological significance.
Area of Science:
- Cell Biology
- Molecular Biology
- Biochemistry
Background:
- Flotillins (Flotillin 1 and 2) are conserved proteins found in membrane microdomains.
- They regulate receptor clustering and clathrin-independent endocytosis.
- Flotillins are implicated in various physiopathological processes.
Purpose of the Study:
- To summarize research on flotillins' role in cell-cell adhesion.
- To explore flotillin's direct and indirect regulation of cadherin complexes.
- To investigate the significance of flotillin upregulation in diseases.
Main Methods:
- Literature review and synthesis of existing research.
- Analysis of flotillin's association with membrane microdomains.
- Examination of flotillin's impact on cadherin complex formation and signaling.
Main Results:
- Flotillins directly regulate cadherin complex formation and stabilization at cell junctions.
- Flotillin microdomains are essential for cadherin dynamics and signaling.
- Flotillins indirectly influence cadherin complex assembly via endocytosis and actin cytoskeleton regulation.
Conclusions:
- Flotillins play a crucial role in cell-cell adhesion by modulating cadherin complexes.
- Flotillin overexpression in neurodegenerative diseases and cancers suggests a role in pathology.
- Further research is needed to understand flotillin's molecular mechanisms in disease development.
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