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Accession IconGSE6697

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

Organism Icon Mus musculus
Sample Icon 23 Downloadable Samples
Technology Badge Icon Affymetrix Murine Genome U74A Version 2 Array (mgu74av2)

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Description
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.
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