Breast Cancer Res. 2003;5(1):23-6. Epub 2002 Oct 11.

Expression profiling to predict outcome in breast cancer: the influence of sample selection.

Gruvberger SK, Ringnér M, Edén P, Borg A, Fernö M, Peterson C, Meltzer PS.

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Department of Oncology, The Jubileum Institute, Lund University Hospital, Lund, Sweden.

Abstract

Gene expression profiling of tumors using DNA microarrays is a promising method for predicting prognosis and treatment response in cancer patients. It was recently reported that expression profiles of sporadic breast cancers could be used to predict disease recurrence better than currently available clinical and histopathological prognostic factors. Having observed an overlap in those data between the genes that predict outcome and those that predict estrogen receptor-alpha status, we examined their predictive power in an independent data set. We conclude that it may be important to define prognostic expression profiles separately for estrogen receptor-alpha-positive and estrogen receptor-alpha-negative tumors.

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Breast Cancer Res. 2003;5(1):57-8.

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PMCID: PMC154130

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