Swiss scientists hope that a new online database called “arrayMap” will bring cancer genomics to the desktop, laptop, and
tablet computers of pathologists and researchers everywhere.
The database combines genomic information from three sources: large repositories such as the NCBI Gene Expression Omnibus
(GEO) and Cancer Genome Atlas (CGA); journal literature; and submissions from individual investigators. It incorporates more than 42,000 genomic copy number
arrays—normal and abnormal DNA comparisons—from 195 cancer types.
“arrayMap includes a wider
range of human cancer copy number samples than any single repository,”
said principal investigator
Michael Baudis, M.D. Ease of access, visualization,
and data manipulation, he added, are top priorities in its ongoing
development.
A product of the University of
Zurich Institute for Molecular Life Sciences, where Baudis researches
bioinformatics and oncogenomics,
arrayMap illustrates the importance of copy number
abnormalities (CNA)—dysfunctional DNA gains or losses that visibly
lengthen
or shorten certain chromosomes—in the diagnosis,
staging, and treatment of various malignancies.
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