The discovery of a molecule that stops stem cells from replicating could enhance the ability of stem cells to fight cancer and other diseases.

By defining the molecular switch that hinders stem cell replication, researcher Tao Cheng and colleagues from the University of Pittsburgh School of Medicine in Pennsylvania may have overcome a major hurdle to growing stem cells in the laboratory.

“Stem cells have great potential, but we need to develop novel strategies to help them proliferate to better fight diseases,” says Cheng.

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