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Recovering vision in corneal epithelial stem cell deficient eyes

Bains, Kiranjit Kaur, Fukuoka, Hideki, Hammond, Greg M., Sotozono, Chie and Quantock, Andrew J. 2019. Recovering vision in corneal epithelial stem cell deficient eyes. Contact Lens and Anterior Eye 42 (4) , pp. 350-358. 10.1016/j.clae.2019.04.006

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Abstract

A healthy corneal epithelium, which is essential for proper vision and protection from external pathogens, is continuously replenished throughout life by stem cells located at the limbus. In diseased or injured eyes, however, in which stem cells are deficient, severe ocular problems manifest themselves. These are notoriously difficult to manage and as a result the last 20 or so years has seen a number of therapeutic strategies emerge that aim to recover the ocular surface and restore vision in limbal stem cell deficient eyes. The dominant concept involves the generation of laboratory cultivated epithelial cell sheets expanded from small biopsies of the epithelial limbus (for patient or donors) or another non-corneal epithelial tissue such as the oral mucosa. Typically, cells are grown on sterilised human amniotic membrane as a substrate, which then forms part of the graft, or specially formulated plastic culture dishes from which cells sheets can be released by lowering the temperature, and thus the adherence of the plastic to the cells. Overall, clinical results are promising, as is discussed, with new cultivation methodologies and different cell lineages currently being investigated to augment the treatment options for visual disturbance caused by a corneal epithelial limbal stem cell deficiency.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Optometry and Vision Sciences
Publisher: Elsevier
ISSN: 1367-0484
Funders: BBSRC
Date of First Compliant Deposit: 22 May 2019
Date of Acceptance: 5 April 2019
Last Modified: 17 Jun 2020 12:20
URI: http://orca.cf.ac.uk/id/eprint/122804

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