Drugs to treat age-related blindness
Researchers at the University of Kentucky, US, compared eyes donated by deceased AMD patients with those of healthy individuals. The healthy were found to have three times higher levels of dicer, an enzyme, in their retinas.
Low levels of dicer cause the build-up of a genetic material alu, which becomes instrumental in killing off light-sensitive retinal cells in advanced "dry" AMD, the journal Nature reported.

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