An Update on Ocular Surface Epithelial Stem Cells: Cornea and Conjunctiva

Author:

Ramos Tiago1,Scott Deborah1,Ahmad Sajjad12

Affiliation:

1. Department of Eye and Vision Science, Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool L69 3GA, UK

2. St. Paul’s Eye Unit, Royal Liverpool University Hospital, Liverpool, UK

Abstract

The human ocular surface (front surface of the eye) is formed by two different types of epithelia: the corneal epithelium centrally and the conjunctival epithelium that surrounds this. These two epithelia are maintained by different stem cell populations (limbal stem cells for the corneal epithelium and the conjunctival epithelial stem cells). In this review, we provide an update on our understanding of these epithelia and their stem cells systems, including embryology, new markers, and controversy around the location of these stem cells. We also provide an update on the translation of this understanding into clinical applications for the treatment of debilitating ocular surface diseases.

Funder

Crossley Barnes Bequest Fund

Publisher

Hindawi Limited

Subject

Cell Biology,Molecular Biology

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