Common mechanisms regulating cell cortex properties during cell division and cell migration.

Area of Science:

• Cell Biology
• Biophysics

Background:

• Single cell morphogenesis is governed by internal pressure and the cell's outer shell.
• In animal cells, the cell cortex, comprising the plasma membrane and actin-myosin network, dictates outer shell mechanical properties.

Purpose of the Study:

• To draw parallels between cell cortex regulation during cell division and cell migration.
• To propose that similarities extend to the molecular mechanisms driving cell cortex remodeling.
• To investigate how a heterogeneous and dynamic cortex facilitates cell shape changes while maintaining integrity.

Main Methods:

• Review of existing literature, drawing parallels between cell division and migration based on Bray and White (1988).
• Focus on the mechanical properties and molecular regulation of the cell cortex.
• Analysis of how cortex heterogeneity and dynamics contribute to cell shape changes.

Main Results:

• Similarities in shape changes and mechanical properties exist between cell division and migration.
• The regulation of the cell cortex during these two processes shares common principles.
• The cell cortex is a dynamic structure enabling shape alteration without compromising cell integrity.

Conclusions:

• The analogy between cell division and migration in cortex regulation is proposed to be deep-seated.
• Molecular mechanisms driving cell cortex remodeling are likely conserved between these processes.
• Understanding cortex dynamics is crucial for comprehending cell morphogenesis and integrity.