E-GEOD-5892 - Gene expression profile of human lung cell line (A549) treated with 2mM 59cobalt chloride during 30mn, 2h, 4h and 24h

Submitted on 20 September 2006, released on 22 September 2006, last updated on 18 October 2011
Homo sapiens
Samples (60)
Array (1)
Protocols (2)
The purpose of this work was to identify the potential signatures of cobalt exposure using a toxicogenomic approach. A time course transcriptome analysis was performed on human type II epithelial cell line A549. Cells were exposed to cobalt at midlog phase ; a medium without FCS containing cobalt (CoCl2, Sigma) or not was added for 30mn, 2h, 4h or 24h. Total RNA was isolated using the Quiagen RNeasy miniprep kit, and then labelled using the FairPlay Microarray Labelling Kit (Stratagene). Amino reactive Cy3- and Cy5- dyes (CyTMDye Post-Labelling Reactive Dye Pack, Amersham) were further chemically coupled to test and control cDNA respectively. After hybridization, microarrays were scanned with GenePix 4000B (Axon Instrument Inc., Forster City, CA). Cy3 and Cy5 fluorescence intensities for the spots were quantified after local subtraction of background noise using Genepix Pro 4.0 software (Axon Instrument Inc.) 30 mn : exposure 1 (2 microarrays) - exposure 2 (4 microarrays) 2h : exposure 1 (2 microarrays) - exposure 2 (4 microarrays) 4h : exposure 1 (2 microarrays) - exposure 2 (2 microarrays) 24h: exposure 1 (4 microarrays) - exposure 2 (6 microarrays) - exposure 3 (4 microarrays)
Experiment type
unknown experiment type 
Bérenguer Frédéric <frederic.berenguer@cea.fr>, Frédéric Berenguer, Gérard Steinmetz, Véronique Malard
Investigation descriptionE-GEOD-5892.idf.txt
Sample and data relationshipE-GEOD-5892.sdrf.txt
Processed data (1)E-GEOD-5892.processed.1.zip
Array designA-GEOD-4263.adf.txt