© 2002 by Oxford University Press
Journal of the National Cancer Institute, Vol. 94, No. 13, 960-961,
July 3, 2002
© 2002 Oxford University Press
EDITORIAL |
Gene Expression Profiling of Hereditary and Sporadic Ovarian Cancers Reveals Unique BRCA1 and BRCA2 Signatures
Correspondence to: Ingrid Hedenfalk, Ph.D., Cancer Genetics Branch, National Human Genome Research Institute, National Institutes of Health, 50 South Dr., MSC 8000, Bethesda, MD 20892.
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The recent completion of the draft human genome sequence (1) presents countless opportunities to investigate genome function and the importance of alterations in the genetic code in both health and disease. Among the most rapidly adopted of the emerging genomic technologies, microarray hybridization permits the parallel determination of the expression of tens of thousands of genes in tissue samples (2). Microarray studies have proven to be of great value in further understanding the basic biology of cancer and have been used successfully to classify tumors into distinct, clinically relevant subgroups based on gene expression profiles and to identify potential biomarkers. Ovarian cancers differ from many other human tumors in displaying considerable disease heterogeneity, a poorly understood progression pathway, and few good tumor markers. In addition, ovarian cancers are usually diagnosed
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