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Int J Oncol. 2004 Apr;24(4):773-95.

Microarray profiling of the effects of histone deacetylase inhibitors on gene expression in cancer cell lines.

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Laboratory for Cancer Genetics, Van Andel Research Institute, Grand Rapids, MI 49503, USA.


Chromatin is a highly dynamic environment playing critical roles in the regulation of gene expression. Modifications to the proteins which make up the nucleosome core have been shown to have profound regulatory effects on gene expression. Of these, the best known modification is acetylation of the histone tails. Two enzymes regulate these processes, histone deacetylases and histone acetyltransferases. Both have been shown to have dysregulated functions in certain tumors. Several classes of histone deacetylase inhibitors have been isolated and are currently undergoing evaluation as potential therapeutic modalities in the treatment of cancer. In this study we examined the effects of three such inhibitors on general gene expression in three tumor cell lines derived from three separate tumor types using microarray gene profiling. Our results show that the patterns of alterations which emerge are similar for each cell type.

[Indexed for MEDLINE]

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