Stories about: CellNet

Stem cell medicine gets a “roadmap” and a quality assurance tool

cell fate map Boston subway
Credit: Samantha Morris, PhD, Boston Children’s Hospital

If you’ve lost your way on the Boston subway, you need only consult a map to find the best route to your destination. Now stem cell engineers have a similar map to guide the making of cells and tissues for disease modeling, drug testing and regenerative medicine. It’s a computer algorithm known as CellNet.

As in this map on the cover of Cell, a cell has many possible destinations or “fates,” and can arrive at them through three main stem cell engineering methods:

reprogramming (dialing a specialized cell, such as a skin cell, back to a stem-like state with full tissue-making potential)
differentiation (pushing a stem cell to become a particular cell type, such as a blood cell)
direct conversion (changing one kind of specialized cell to another kind)

Freely available on the Internet, CellNet provides clues to which methods of cellular engineering are most effective—and acts as a much-needed quality control tool.

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