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The aim of this study was to develop a synthetic hydrogel to act as a corneal substitute capable of selectively supporting the adhesion and proliferation of limbal epithelial cells (LECs) while inhibiting growth of limbal fibroblasts. Deficiency of LECs causes conjunctival epithelial cells to move over the cornea, producing a thick scar pannus. Unilateral defects can be treated using LEC cultured...
Our overall aim is to develop a synthetic off-the-shelf alternative to human amniotic membrane which is currently used for delivering cultured limbal stem cells to the cornea in patients who suffer scarring of the cornea because of the loss of limbal stem cells. We have recently reported that both cultured cells and limbal explants grow well on electrospun Poly(D, L-lactide-co-glycolide) (PLGA) (44...
Currently, damage to the ocular surface can be repaired by transferring laboratory cultured limbal epithelial cells (LECs) to the cornea using donor human amniotic membrane as the cell carrier. We describe the development of a synthetic biodegradable membrane of Poly d,l-lactide-co-glycolide (PLGA) with a 50:50 ratio of lactide and glycolide for the delivery of both isolated LECs and of cells grown...
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