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Breast Cancer Res. 2001;3(2):77-80. Epub 2000 Dec 18.

Molecular profiling of breast cancer: portraits but not physiognomy.

Author information

1
Department of Medical Oncology and Hematology, Ontario Cancer Institute/Princess Margaret Hospital, Toronto, Ontario, Canada. jdb1003@uhnres.utoronto.ca

Abstract

Breast cancers differ in response to treatment and may have a divergent clinical course despite having a similar histopathological appearance. New technology using DNA microarrays provides a systematic method to identify key markers for prognosis and treatment response by profiling thousands of genes expressed in a single cancer. Microarray profiling of 38 invasive breast cancers now confirms striking molecular differences between ductal carcinoma specimens and suggests a new classification for oestrogen-receptor negative breast cancer. Future approaches will need to include methods for high-throughput clinical validation and the ability to analyze microscopic samples.

PMID:
11250749
PMCID:
PMC138674
[Indexed for MEDLINE]
Free PMC Article

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