Successfully Grown Corneal Cells May Help Restore Vision

by Julia Samuel on  August 16, 2016 at 11:24 PM Research News   - G J E 4
Corneal cells grown on a layer of synthetic film and transplanted into the eyes of animals have shown to restore vision, according to the trials done by Melbourne researchers.
Successfully Grown Corneal Cells May Help Restore Vision
Successfully Grown Corneal Cells May Help Restore Vision

The technique, developed by researchers at Melbourne University and the Centre for Eye Research, could replace transplants of donated cornea.

‘The treatment is better than a donated cornea as the patient’s own cells are used to grow and is implanted.’
The cornea is a transparent layer at the front of the eye. A layer of cells on its inner surface keeps it moist by "pumping" water out of it. Trauma, disease and aging can reduce the number of these cells leading to deterioration and blindness.

Research scientist Berkay Ozcelik said it was an important breakthrough. "We believe that our new treatment is better than a donated cornea and we eventually hope to use the patient's own cells, reducing the risk of rejection," he said. Mr Ozcelik said the synthetic film looks a bit like cling wrap, and can be implanted on the inner surface of a patient's cornea through a very small incision.

The hydrogel film is thinner than a human hair and allows the flow of water between the cornea and the interior of the eye. It then breaks down and disappears within two months.

"These materials show minimal inflammation, cause no adverse issues at all and can cause regeneration of tissue, hence allowing us to use this for various applications," Mr Ozcelik said. "We've actually developed a new class of material using novel chemical methods. The film could be used for other tissue engineering such as skin."

Ophthalmic surgeon Mark Daniel said tissue engineering was a whole new way of thinking about fixing human problems. "This way of using patients own cells, amplifying them outside the body and replacing them is a very exciting new area," he said.

Source: Medindia

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