This Week in Nature

In this week's Nature, researchers from Washington University report on the discovery of a new genetic risk variant for Alzheimer's disease. The team conducted whole-exome sequencing on DNA from 29 affected individuals and 11 unaffected people, from 14 families with histories of late-onset Alzheimer's disease. It discovered a rare variant in the phospholipase D3, or PLD3, gene that was associated with a significantly greater risk of the disease.

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