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Spindle orientation processes in epithelial growth and organisation.

Eleni Panousopoulou1, Jeremy B A Green1

  • 1Department of Craniofacial Development & Stem Cell Biology, King's College London, Floor 27, Guy's Tower, London SE1 9RT, UK.

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Summary

Orientated cell division (OCD) guides epithelial layer formation and planar growth. This review explores how cell division orientation influences epithelial development, differentiation, and tissue morphogenesis.

Keywords:
EpicardiumEpidermisMorphogenesisOrientated cell divisionPlanar growthStratification

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Area of Science:

  • Developmental Biology
  • Cell Biology
  • Tissue Engineering

Background:

  • Epithelial tissues exhibit complex growth patterns crucial for organ development.
  • Orientated cell division (OCD) is increasingly recognized as a key regulator of tissue morphogenesis.
  • Understanding OCD mechanisms is vital for regenerative medicine and disease research.

Purpose of the Study:

  • To review the role of orientated cell division (OCD) in epithelial layer formation and planar growth.
  • To explore how OCD influences cell fate, differentiation, and tissue shaping.
  • To examine diverse examples of OCD in various epithelial systems.

Main Methods:

  • Literature review and synthesis of existing research on orientated cell division.
  • Analysis of examples from epidermal stratification, neuroepithelia, and heart epicardium development.
  • Examination of uniform and anisotropic epithelial planar growth models.

Main Results:

  • OCD is essential for epithelial stratification, involving asymmetric cell divisions and differentiation.
  • Neuroepithelial development and epidermal fate specification are linked to OCD.
  • OCD coordinates with delamination and differentiation in systems like the heart epicardium.
  • Epithelial planar growth, both uniform and anisotropic, is influenced by OCD.
  • The role of spindle orientation in growth is complex and sometimes passive.

Conclusions:

  • Orientated cell division is a fundamental mechanism driving epithelial development and tissue architecture.
  • OCD plays critical roles in both layer formation and planar expansion of epithelial tissues.
  • Further research into OCD will illuminate developmental processes and potential therapeutic targets.