Human Gene Set: LIU_PROSTATE_CANCER_DN


Standard name LIU_PROSTATE_CANCER_DN
Systematic name M19391
Brief description Genes down-regulated in prostate cancer samples.
Full description or abstract Prostate cancer is the most commonly diagnosed noncutaneous neoplasm and second most common cause of cancer-related mortality in western men. To investigate the mechanisms of prostate cancer development and progression, we did expression profiling of human prostate cancer and benign tissues. We show that the SOX4 is overexpressed in prostate tumor samples compared with benign tissues by microarray analysis, real-time PCR, and immunohistochemistry. We also show that SOX4 expression is highly correlated with Gleason score at the mRNA and protein level using tissue microarrays. Genes affected by SOX4 expression were also identified, including BCL10, CSF1, and NcoA4/ARA70. TLE-1 and BBC3/PUMA were identified as direct targets of SOX4. Silencing of SOX4 by small interfering RNA transfection induced apoptosis of prostate cancer cells, suggesting that SOX4 could be a therapeutic target for prostate cancer. Stable transfection of SOX4 into nontransformed prostate cells enabled colony formation in soft agar, suggesting that, in the proper cellular context, SOX4 can be a transforming oncogene.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 16618720   Authors: Liu P,Ramachandran S,Ali Seyed M,Scharer CD,Laycock N,Dalton WB,Williams H,Karanam S,Datta MW,Jaye DL,Moreno CS
Exact source Table 1S
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(show 7 gene sets from the same authors)
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Source species Homo sapiens
Contributed by Arthur Liberzon (MSigDB Team)
Source platform or
identifier namespace		 AFFY_HG_U133
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Version history 3.0: First introduced

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