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Contribution of unique genes by individual cell lines to Universal Mouse Reference RNA


ABSTRACT: RNA from 11 individual mouse cell lines were reverse-transcribed to cDNA, labeled with Cy5 and cohybridized with Cy3-labeled UMRR onto 7,500-spot mouse oligo microarrays (UNC). The data was analyzed using GeneTraffic software. 300-1000 spots out of 8,000 were flagged on each microarray and excluded from further analysis. Spots with hybridization signals in Cy5 channel higher than 1000 and with Cy5/Cy3 ratio greater than 2 were collected and the number of spots with these characteristics on only one microarray was determined. A reference experiment design type is where all samples are compared to a common reference. Computed

ORGANISM(S): Mus musculus

SUBMITTER: Charles Perou 

PROVIDER: E-GEOD-3974 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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<h4>Background</h4>Obtaining reliable and reproducible two-color microarray gene expression data is critically important for understanding the biological significance of perturbations made on a cellular system. Microarray design, RNA preparation and labeling, hybridization conditions and data acquisition and analysis are variables difficult to simultaneously control. A useful tool for monitoring and controlling intra- and inter-experimental variation is Universal Reference RNA (URR), developed w  ...[more]

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