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Co-expression of genes with ERG in prostate cancer cell lines

ABSTRACT: ERG overexpression is the most frequent molecular alteration in prostate cancer. We analyzed different stages of prostate cancer to identify genes that were coexpressed with ERG overexpression. In primary prostate tumors, it was shown that TDRD1 expression was the strongest correlated gene with ERG overexpression and we suggest TDRD1 as a direct ERG target gene.

ORGANISM(S): Homo sapiens

PROVIDER: GSE41407 | GEO | 2013/02/11

SECONDARY ACCESSION(S): PRJNA177574

REPOSITORIES: GEO

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Co-expression of genes with ERG in prostate cancers

2013-02-11 | GSE41408 | GEO

Co-expression of genes with ERG in prostate cancer cell lines

Project description:ERG overexpression is the most frequent molecular alteration in prostate cancer. We analyzed different stages of prostate cancer to identify genes that were coexpressed with ERG overexpression. In primary prostate tumors, it was shown that TDRD1 expression was the strongest correlated gene with ERG overexpression and we suggest TDRD1 as a direct ERG target gene. 6 Prostate cancer cell lines and 11 prostate cancer xenografts are included in this study. Each sample was analyzed once.

2013-02-11 | E-GEOD-41407 | biostudies-arrayexpress

Co-expression of genes with ERG in prostate cancers

Project description:ERG overexpression is the most frequent molecular alteration in prostate cancer. We analyzed different stages of prostate cancer to identify genes that were coexpressed with ERG overexpression. In primary prostate tumors, it was shown that TDRD1 expression was the strongest correlated gene with ERG overexpression and we suggest TDRD1 as a direct ERG target gene. 48 Prostate cancer samples from radical prostatectomies were included in this study. These samples contained more than 70% cancer and less than 30% stromal tissue. Each sample was analyzed once.

2013-02-11 | E-GEOD-41408 | biostudies-arrayexpress

TMPRSS2-ERG and gain-of-function p53 mutants co-dictate pyrimidine synthesis and prostate cancer fitness [ERG and p53 ChIP-seq]

Project description:TMPRSS2-ERG fusion is the most common genetic alteration in prostate cancer (PCa) and TP53 is the most frequently mutated gene in human cancers. However, their precise roles in PCa pathogenesis remain elusive. Here we showed that TMPRSS2-ERG fusion co-occurred with TP53 deletion/mutation in PCa patient specimens. ERG overexpression and Trp53 knockout/R172H mutant knockin induced pyrimidine synthesis gene (PSG) expression and prostate tumorigenesis in mice. Gain-of-function p53 mutants bound to the CTNNB1 promoter and upregulated β-Catenin. Overexpressed ERG and β-Catenin co-occupied PSG loci and mediated PSG expression, and high PSG expression associated with increased β-Catenin level and poor overall survival of PCa patients. β-Catenin inhibition by proteolysis-targeting chimeras (PROTACs) of its co-activator CBP and partner proteins LEF1/TCFs blocked ERG/p53-mutant PCa growth. Our study identifies CTNNB1 as a transcriptional target of p53 GOF-mutants, and reveals a druggable dependency on β-Catenin and pyrimidine synthesis in p53-mutated cancers with or without TMPRSS2-ERG fusion.

2023-06-27 | GSE184623 | GEO

TMPRSS2-ERG and gain-of-function p53 mutants co-dictate pyrimidine synthesis and prostate cancer fitness [RNA-seq-2021 ERG-p53 project]

2023-06-27 | GSE184625 | GEO

TMPRSS2-ERG and gain-of-function p53 mutants co-dictate pyrimidine synthesis and prostate cancer fitness [RNA-seq-2018 ERG-p53 project]

2023-06-27 | GSE184624 | GEO

An AR-ERG co-mediated chromatin interactome defines the transcriptional network in prostate cancer cells

Project description:An aberrant androgen receptor (AR) transcriptional network underpins prostate cancer development. Even though the AR cistrome had been extensively studied in prostate cancers, information pertaining to the spatial architecture of the AR transcriptional circuitry remains limited due to the absence of an AR-associated chromatin interactome map. To resolve this, we utilized chromatin interaction analysis by paired-end tag (ChIA-PET) sequencing to profile AR-associated and ERG-associated long range chromatin interactions in an ERG fusion positive prostate cancer cell line. We identified ERG-associated long range chromatin interactions as an elemental component in the AR-associated chromatin interactome, acting in concert, to achieve coordinated regulation of AR target genes. In addition, we characterized the epigenetic signature of the AR/ERG anchor binding sites and implicated AR and ERG associated chromatin loopings for facilitating fusion gene formation in prostate cancers. Taken together, our results revealed the presence of an AR/ERG defined higher order chromatin structure exploited for driving prostate cancer progression.

2018-12-14 | GSE54946 | GEO

ERG is a critical regulator of Wnt/LEF1 signaling in prostate cancer

Project description:Chromosomal translocations juxtaposing the androgen-responsive TMPRSS2 promoter with the ETS-family transcription factor ERG result in aberrant ERG up-regulation in approximately 50% of prostate cancers. Studies to date have demonstrated important roles of ERG in inducing oncogenic properties of prostate cancer. Its molecular mechanisms of action, however, are yet to be fully understood. To address these questions, we generated engineered LNCaP cells with ERG overexpression followed by LEF1 knockdown as well as control cell lines. To further investigate the role of LEF1 in ERG fusion positive samples, we also knockdown ERG in VCaP cell line. We performed microarray analysis on LNCaP cells with ERG overexpression followed by LEF1 knockdown using siRNA. We also knockdown endogenous ERG in fusion-positive cell line VCaP.

2013-05-29 | E-GEOD-47423 | biostudies-arrayexpress

TMPRSS2:ERG promotes invasiveness and epithelial to mesenchymal transition in prostate cancer model

Project description:Recently, a frequent chromosomal aberration fusing Androgen regulated TMPRSS2 promoter and the ERG gene (T/ERG) was discovered in prostate cancer. Several studies demonstrated cooperation between the T/ERG and other defective pathways in cancer progression however, the biological mechanism by which the T/ERG operates is yet to be determined. Using immortalized prostate epithelial cells (EP) model we were able to show that EP with the combination of androgen receptor(AR) and T/ERG(EP-AR T/ERG cell line) demonstrate an Epithelial to Mesenchymal Transition (EMT) manifested by a mesenchyme-like morphological appearance and behavior. To further elucidate the mechanism by which T/ERG executes the EMT program at large, we took a genome-wide approach and conducted micro-array based comparison between EP-AR and EP-AR T/ERG cells

2010-12-30 | GSE22010 | GEO

Staphylococcal Nuclease and Tudor Domain Containing protein SND1 interacts with ERG and plays a critical role in prostate cancer in vivo

Project description:ERG is a transcriptional factor, which is recombined with promoter of TMPRSS2 and prominently overexpressed in half of human prostate cancers. The mechanisms of ERG-mediated oncogenesis are not completely understood. We performed an unbiased Mass Spectrometry screen for ERG-binding proteins and found that ERG binds to MTDH/SND1 protein complex in prostate cancer cells. We determined that ERG binds to the SND1/MTDH protein complex via SND1 and this interaction plays a critical role in ERG-mediated cancer.

2023-03-22 | PXD036882 | Pride

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