Rare disease reveals new path for creating stem cells

As debilitating as disease can be, sometimes it acts as a teacher. Researchers at Harvard Medical School and the Harvard School of Dental Medicine have found that by mimicking a rare genetic disorder in a dish, they can rewind the internal clock of a mature cell and drive it back into an adult stem-cell stage. This new 'stem cell' can then branch out into a variety of differentiated cell types, both in culture and in animal models...

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