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Published on: November 22, 2024
Mechanobiology of the corneal epithelium
Sophia Masterton1, Mark Ahearne1
1Dept of Mechanical and Manufacturing Engineering, School of Engineering, Trinity College Dublin, University of Dublin, Ireland; Trinity Centre for Bioengineering, Trinity Biomedical Science Institute, Trinity College Dublin, University of Dublin, Ireland.
Abstract:
There has been a drive to develop new cell based therapies to treat corneal blindness, one of the most common causes of blindness worldwide. Mechanical and physical cues are known to regulate the behavior of many cell types, however studies examining these effects on corneal epithelial cells have been limited in number and their findings have not previously been amalgamated and contrasted. Here, we provide an overview of the different types of mechanical stimuli to which the corneal epithelium is exposed and the influence that these have on the cells. Shear stress from the tear film motion and blinking, extracellular matrix stiffness and external physical forces such as eye rubbing and contact lens wear are among some of the forms of mechanical stimuli that the epithelium experiences. In vivo and in vitro studies examining the mechanobiology on corneal epithelial cells under differing mechanical environments are explored. A greater understanding of the mechanobiology of the corneal epithelium has the potential to lead to improved tissue engineering and cell based therapies to repair and regenerate damaged cornea.
Insights
Mechanical forces significantly impact corneal epithelial cells, influencing cell behavior and potential therapies for corneal blindness. Understanding mechanobiology is key for developing new treatments.
Area of Science:
- Ophthalmology
- Biomaterials Science
- Cell Biology
Background:
- Corneal blindness is a leading cause of vision loss globally.
- Cell-based therapies offer promise for treating corneal blindness.
- Limited research exists on mechanical stimuli affecting corneal epithelial cells.
Purpose of the Study:
- To review mechanical stimuli influencing corneal epithelial cells.
- To explore the impact of mechanobiology on corneal epithelial cells.
- To consolidate existing research on corneal mechanobiology.
Main Methods:
- Literature review of in vivo and in vitro studies.
- Analysis of mechanical forces on corneal epithelial cells.
- Exploration of extracellular matrix stiffness and shear stress.
Main Results:
- Corneal epithelial cells are exposed to various mechanical cues like shear stress and physical forces.
- Mechanical stimuli influence corneal epithelial cell behavior.
- Existing studies show varied responses to different mechanical environments.
Conclusions:
- Understanding corneal epithelial mechanobiology is crucial.
- This knowledge can advance tissue engineering and cell-based therapies.
- Improved therapies may emerge for corneal regeneration and repair.
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