A mechanism of cyclin D1 action encoded in the patterns of gene expression in human cancer - PubMed (original) (raw)

A mechanism of cyclin D1 action encoded in the patterns of gene expression in human cancer

Justin Lamb et al. Cell. 2003.

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Abstract

Here we describe how patterns of gene expression in human tumors have been deconvoluted to reveal a mechanism of action for the cyclin D1 oncogene. Computational analysis of the expression patterns of thousands of genes across hundreds of tumor specimens suggested that a transcription factor, C/EBPbeta/Nf-Il6, participates in the consequences of cyclin D1 overexpression. Functional analyses confirmed the involvement of C/EBPbeta in the regulation of genes affected by cyclin D1 and established this protein as an indispensable effector of a potentially important facet of cyclin D1 biology. This work demonstrates that tumor gene expression databases can be used to study the function of a human oncogene in situ.

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