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Functional Human Corneal Equivalents Constructed from Cell Lines

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Science  10 Dec 1999:
Vol. 286, Issue 5447, pp. 2169-2172
DOI: 10.1126/science.286.5447.2169

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Abstract

Human corneal equivalents comprising the three main layers of the cornea (epithelium, stroma, and endothelium) were constructed. Each cellular layer was fabricated from immortalized human corneal cells that were screened for use on the basis of morphological, biochemical, and electrophysiological similarity to their natural counterparts. The resulting corneal equivalents mimicked human corneas in key physical and physiological functions, including morphology, biochemical marker expression, transparency, ion and fluid transport, and gene expression. Morphological and functional equivalents to human corneas that can be produced in vitro have immediate applications in toxicity and drug efficacy testing, and form the basis for future development of implantable tissues.

  • * To whom correspondence should be addressed. E-mail: mgriffith{at}ogh.on.ca

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