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Double the Double Helix

After 10 years of investigation, scientists have announced the existence of quadruple helices ~ four-stranded DNA ~ in human cells. As there seems to be a connection between these and the DNA replication process, researchers are optimistic that containing these structures could block runaway cell division, the root cause of cancer: http://www.sciencedaily.com/releases/2013/01/130120150033.htm

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