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Expression data from spec. transcriptional activity of primary mouse embryonic fibroblasts (MEF) in response to serum.

ABSTRACT: Current methods to analyze gene expression measure steady-state levels of mRNA. In order to specifically analyze mRNA transcription, a technique has been developed that can be applied in-vivo. The technique is referred with the acronym NIAC-NTR (Non Invasive Application and Capture of Newly Transcribed RNA). This method makes use of the cellular pyrimidine salvage pathway and is based on affinity-chromatographic isolation of thiolated mRNA. When combined with data on mRNA steady-state levels, this method is able to assess the relative contributions of mRNA synthesis and degradation/stabilization. It overcomes limitations associated with currently available methods such as mechanistic intervention that disrupts cellular physiology, or the inability to apply the techniques in-vivo. The method has been applied to a model of serum response of cultured primary mouse embryonic fibroblasts. Affymetrix GeneChip microarrays were used to detail regulatory mechanisms of mRNA expression and the relative contributions of RNA synthesis and turnover within distinct pathways, and identification of genes expressed at low abundance at the transcriptional level. Keywords: treatment experiment

ORGANISM(S): Mus musculus

PROVIDER: GSE6697 | GEO | 2007/01/16

SECONDARY ACCESSION(S): PRJNA99005

REPOSITORIES: GEO

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