Scientists from the UCL Institute of Ophthalmology have shown for the first time that transplanting light-sensitive photoreceptors into the eyes of visually impaired mice can restore their vision.
The research, published in Nature, suggests that transplanting photoreceptors -- light-sensitive nerve cells that line the back of the eye -- could form the basis of a new treatment to restore sight in people with degenerative eye diseases.
Scientists injected cells from young healthy mice directly into the retinas of adult mice that lacked functional rod-photoreceptors. Loss of photoreceptors is the cause of blindness in many human eye diseases including age-related macular degeneration, retinitis pigmentosa and diabetes-related blindness.
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