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Secreted Proteoglycans Directly Mediate Human Embryonic Stem Cell-Basic Fibroblast Growth Factor 2 Interactions Critical for Proliferation

18 Sept 2008

Abstract excerpt

Human embryonic stem (ES) cells can be maintained in an undifferentiated state if the culture medium is first conditioned on a layer of mouse embryonic fibroblast (MEF) feeder cells. Here we show that human ES cell proliferation is coordinated by MEF-secreted heparan sulfate proteoglycans (HSPG) in conditioned medium (CM). These HSPG and other heparinoids can stabilize basic fibroblast growth factor (FGF2) in...

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Identifiers

PMID: 18802039
DOI: 10.1634/stemcells.2007-1056

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