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Inevitable, not inexorable

In one sense, the genetics of Huntington's disease are no mystery at all. The genetic cause – a DNA triplet expansion in the huntingtin gene – is clear. And it is also clear that those who have the mutation will inevitably get the disease. more »

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Metabolic switch may further tissue regeneration

Scientists made progress toward the goal of mammalian tissue regeneration with the publication of studies showing that mice could be induced to self-repair ear wounds by a drug treatment that increased levels of the transcription factor HIF-1alpha.

"We could convert an animal into a healer," senior author Ellen Heber-Katz, of the Lankenau Institute for Medical Research, told BioWorld Today.