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- W2108995669 abstract "Neural stem cells give rise to undifferentiated nestin-positive progenitors that undergo extensive cell division before differentiating into neuronal and glial cells. The precise control of this process is likely to be, at least in part, controlled by instructive cues originating from the extracellular environment. Some of these cues are interpreted by the integrin family of extracellular matrix receptors. Using neurosphere cell cultures as a model system, we show that β1-integrin signalling plays a crucial role in the regulation of progenitor cell proliferation, survival and migration. Following conditional genetic ablation of the β1-integrin allele, and consequent loss of β1-integrin cell surface protein, mutant nestin-positive progenitor cells proliferate less and die in higher numbers than their wild-type counterparts. Mutant progenitor cell migration on different ECM substrates is also impaired. These effects can be partially compensated by the addition of exogenous growth factors. Thus, β1-integrin signalling and growth factor signalling tightly interact to control the number and migratory capacity of nestin-positive progenitor cells." @default.
- W2108995669 created "2016-06-24" @default.
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- W2108995669 date "2005-06-15" @default.
- W2108995669 modified "2023-10-13" @default.
- W2108995669 title "Regulation of neural progenitor proliferation and survival by β1 integrins" @default.
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- W2108995669 doi "https://doi.org/10.1242/jcs.02396" @default.
- W2108995669 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/15928047" @default.
- W2108995669 hasPublicationYear "2005" @default.
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