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Open AccessHighly AccessResearch article

Comparison of hybridization-based and sequencing-based gene expression technologies on biological replicates

Fang Liu1,3 email, Tor-Kristian Jenssen3 email, Jeff Trimarchi4 email, Claudio Punzo4 email, Connie L Cepko4,5 email, Lucila Ohno-Machado6 email, Eivind Hovig1,2 email and Winston Patrick Kuo6,7,8 email

Department of Tumor Biology, Rikshopitalet-Radiumhospitalet Medical Center, Montebello, NO-0310 Oslo, Norway

Department of Medical Informatics, Rikshopitalet-Radiumhospitalet Medical Center, Montebello, NO-0310 Oslo, Norway

PubGene AS, Vinderen, NO-0319 Oslo, Norway

Department of Genetics, Harvard Medical School, Boston, MA, USA

Howard Hughes Medical Institute, Harvard Medical School, Boston, MA, USA

Decision Systems Group, Brigham and Women's Hospital, Boston, MA, USA

Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA, USA

Department of Organismic and Evolutionary Biology/Faculty of Arts and Sciences, Harvard University, Cambridge, MA, USA

author email corresponding author email

BMC Genomics 2007, 8:153doi:10.1186/1471-2164-8-153

Published: 7 June 2007

Additional files

Additional file 1:

Evaluation of intra-platform and inter-platform data consistency (Affymetrix, Amersham, Mergen, ABI). This file shows the CVs and correlation coefficients of both the within-platform data set and among the across-platform data.

Format: PDF Size: 165KB Download file

This file can be viewed with: Adobe Acrobat Reader

Additional file 2:

CAT (Correspondence At the Top) plots,. The CAT plots show cross-platform data correspondence when using one platform as the reference.

Format: PDF Size: 3.8MB Download file

This file can be viewed with: Adobe Acrobat Reader

Additional file 3:

List of GO terms derived from GSEA (Gene Set Enrichment Analysis). This file provides a list of GO terms which are shown as being variable between the two biological replicate pools used in our study.

Format: PDF Size: 67KB Download file

This file can be viewed with: Adobe Acrobat Reader

Additional file 4:

Illumina BeadArray® Experimental Protocols. This is the detailed description of experimental protocols for Illumina BeadArray® chip.

Format: PDF Size: 134KB Download file

This file can be viewed with: Adobe Acrobat Reader


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