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Updated: May 20, 2026
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Isolation and Identification of Limbal Niche Cells
Published on: October 27, 2023
Mesenchymal stem cells derived from human limbal niche cells
Gui-Gang Li1, Ying-Ting Zhu, Hua-Tao Xie
1Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China.
Investigative Ophthalmology & Visual Science
|July 28, 2012
Summary
Human limbal niche cells, located subjacent to basal epithelial cells, generate mesenchymal stem cells. These cells possess angiogenesis potential and may aid corneal wound healing and regeneration.
Area of Science:
- Ophthalmology
- Stem Cell Biology
- Regenerative Medicine
Background:
- The limbal stroma harbors niche cells crucial for ocular surface maintenance.
- Understanding these niche cells' potential is vital for regenerative therapies.
Purpose of the Study:
- To determine if human limbal niche cells generate mesenchymal stem cells.
- To investigate the regenerative potential of these limbal niche cells.
Main Methods:
- Isolation of limbal niche cells from stromal tissue.
- Culture of cells on plastic, coated Matrigel, or 3D Matrigel in specific media.
- Assessment of cell markers, differentiation potential, and support of epithelial stem cells.
Main Results:
- Limbal niche cells cultured on Matrigel generated spheres with angiogenesis and mesenchymal stem cell markers.
- These cells exhibited superior colony-forming and differentiation capabilities compared to plastic-cultured cells.
- Niche cells supported limbal epithelial stem/progenitor cells, maintaining key marker expression.
Conclusions:
- Human limbal niche cells generate progenitors with mesenchymal stem cell and angiogenesis potential.
- These cells may play a role in corneal wound healing and angiogenesis.
- Optimized culture conditions enhance the regenerative capacity of limbal niche cells.
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