Agilent releases microarray probe sequence, annotation information

April 19, 2005 — Agilent Technologies Inc. (NYSE: A) announced that it has released the chip design, probe sequence and annotation information for all of its microarrays. The release of this information is intended to improve cross-laboratory experimental research and cross-platform data comparison.

This announcement is being made in conjunction with the extensive release of microarray experimental data into the public domain by the National Toxicology Program. Icoria Inc., under its contract with the National Institute of Environmental Health Sciences (NIEHS), has been using Agilent microarrays to perform experiments to profile chemical effects on biological systems and create a resource of gene expression responses to chemical toxicants.

The data will eventually be made available through the NIEHS National Center of Toxicogenomics’ Chemical Effects on Biological Systems (CEBS) database, currently under development.

The microarray design and probe sequence information is now available on Agilent’s eArray web portal at


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