Identification and Validation of Novel Androgen-Regulated Genes in Prostate Cancer
2004
Androgen-regulated genes (ARGs) are essential for the development of the prostate. Ironically, ARGs are also responsible for the pathogenesis of prostate cancer. We used oligonucleotide array technology to study the expression profiles of ARGs in LNCaP prostate cancer cells and identified 692 dihydrotestosterone-regulated genes. Representative clusters containing genes with similar expression patterns to prostate-specific antigen and other known ARGs are discussed. Based on functional information, we categorized several candidate targets for prostate cancer therapy and diagnosis. Although many of these candidate targets are known to play an important role in cancer development, several are novel genes to the field of prostate cancer. A cross-comparison study of our results with those that have been previously published from three other array experiments using a similar LNCaP model validated 13 of these candidate targets as androgen-regulated. FKBP51 (FK506-binding immunophilin 51) was found in the same cl...
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