8/28/2008

U.S. and Chinese scientists who worked on mice and human cells found that TLR3, an immune system protein, increases the risk of "dry" macular degeneration by targeting infected retinal cells. A mutated version of the gene, however, appears to prevent the development of the eye disease by inhibiting retinal death. The discovery could pave the way for new treatments for the disease, a study co-author said.

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