Cancer Institute A national cancer institute
designated cancer center

James D. Brooks

Publication Details

  • Molecular targets of Doxazosin in human prostatic stromal cells PROSTATE Zhao, H. J., Lai, F., Nonn, L., Brooks, J. D., Peehl, D. M. 2005; 62 (4): 400-410

    Abstract:

    We used cDNA microarray analysis to obtain insights into the mechanisms of action of doxazosin, an alpha(1)-adrenergic receptor antagonist used to treat benign prostatic hyperplasia (BPH).Hierarchical clustering analysis and significance analysis of microarray (SAM) were performed to identify genes differentially expressed between untreated stromal cells cultured from normal tissue and BPH, and changes in gene expression induced by doxazosin. Transcript levels of selected genes were validated by real-time reverse-transcription polymerase chain reaction (RT-PCR).Hierarchical clustering analyses separated untreated normal and BPH cells. Sixty-seven genes whose expression varied at least twofold after doxazosin treatment in both normal and BPH cells were identified, as were 93 genes differentially regulated in normal versus BPH cells. Molecular targets consistent with tumor necrosis factor (TNF)-alpha-related activity were identified.Normal versus BPH stromal cells differ in global gene transcription. Doxazosin induced gene expression changes relevant to proliferation/apoptosis, immune defense, cell-cell signaling/signal transduction, and transcriptional regulation.

    View details for DOI 10.1002/pros.20161

    View details for Web of Science ID 000226991500011

    View details for PubMedID 15378519

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