Stay out, stray stem cells

Despite the hubbub about pluripotent stem cells' potential applications, when it comes time to introduce products into patients, the stem cells are actually impurities that need to be removed.

How planarians maintain their stem cell pools over generations

Planarians are known as masters of regeneration: they can re-build any part of their bodies after amputation. This ability relies on a large number of pluripotent stem cells. To further investigate the mechanisms that enable ...

Scientists find a new way insulin-producing cells die

The death of insulin-producing beta cells in the pancreas is a core defect in diabetes. Scientists in Italy and Texas now have discovered a new way that these cells die — by toxic imbalance of a molecule secreted by ...

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