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DNA Repair can Lead to Retinal Degeneration Saturday, January 10, 2009 - Anuradha Menon Home >> Headlines >> Biology   
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A naturally occurring DNA repair system that normally protects cells from damage can cause retinal degeneration and blindness when overstimulated, according to a new study by MIT researchers. The research team found that relatively low-level exposure to an environmental toxic agent provoked very active DNA repair that led to surprisingly high rates of retinal degeneration in mice -- much higher than in mice lacking the same DNA repair pathway. (source: web.mit.edu)
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