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How a Key Enzyme Repairs Sun-Damaged DNA

July 27th, 2010 07:58 admin Leave a comment Go to comments

BraveHeart writes “Researchers have long known that mammals, including humans, lack a key enzyme — one possessed by most of the animal kingdom and even plants — that reverses severe sun damage. For the first time, researchers have witnessed how this enzyme works at the atomic level to repair sun-damaged DNA. ‘Normal sunscreen lotions convert UV light to heat, or reflect it away from our skin. A sunscreen containing photolyase could potentially heal some of the damage from UV rays that get through.’”

Source: How a Key Enzyme Repairs Sun-Damaged DNA

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