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Feeding hungry stem cells

Growing human embryonic stem cells in an environment free of mouse feeder cells lowers the risk of cross-species infection but does little to clarify what makes stem cells “tick.”

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Figure 1: Leukemia inhibitory factor (LIF) regulates stem cell renewal in cultured mouse ES cells.

© Bob Crimi

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Pedersen, R. Feeding hungry stem cells. Nat Biotechnol 20, 882–883 (2002). https://doi.org/10.1038/nbt0902-882

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