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Accession IconGSE33639

Global expression analysis identified a preferentially NGF-induced transcriptional program regulated by sustained MEK/ERK and AP-1 activation during PC12 differentiation.

Organism Icon Rattus norvegicus
Sample Icon 15 Downloadable Samples
Technology Badge Icon Affymetrix Rat Gene 1.0 ST Array (ragene10st)

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Neuronal differentiation of PC12 cells in response to NGF is a prototypical model in which signal duration determines a biological response. Sustained ERK activity induced by NGF, as compared to transient activity induced by EGF, is critical to the differentiation of these cells. To characterize the transcriptional program activated preferentially by NGF, we compared global gene expression profiles between cells treated with NGF and EGF for 2-4 hrs, when sustained ERK signaling in response to NGF is most distinct from the transient signal elicited by EGF. This analysis identified 69 genes that were preferentially upregulated in response to NGF.
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