Remodeling of keratin-coupled cell adhesion complexes

Area of Science:

• Cell Biology
• Biophysics
• Tissue Engineering

Background:

• Epithelial cells form vital barriers, maintaining organ structure and integrity.
• Desmosomes (cell-cell) and hemidesmosomes (cell-matrix) link to intermediate filaments, ensuring mechanical stability.
• While essential for adhesion, these complexes undergo remodeling for epithelial homeostasis.

Purpose of the Study:

• To review the properties and remodeling mechanisms of desmosomes and hemidesmosomes.
• To discuss the role of keratin-coupled adhesion complexes in sensing and responding to the biomechanical cellular environment.

Main Methods:

• Literature review of adhesion properties and remodeling mechanisms.
• Analysis of recent data on keratin-coupled adhesion complexes and biomechanical sensing.

Main Results:

• Desmosomes and hemidesmosomes provide essential mechanical integrity to epithelial barriers.
• Remodeling of these adhesion complexes is critical for maintaining epithelial homeostasis.
• Keratin-based adhesion complexes can sense biomechanical cues and influence cellular responses.

Conclusions:

• Desmosomes and hemidesmosomes are dynamic structures essential for epithelial barrier function and homeostasis.
• Understanding their remodeling and mechanosensing capabilities offers insights into epithelial tissue dynamics.