RNAseq of WFU3 mouse prostate epithelial stem cells with knockdown of Map3k7, Chd1, and both
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ABSTRACT:
PROVIDER: PRJNA548679 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR9290870_1.fastq.gz | Fastqsanger.gz | |||
| SRR9290870_2.fastq.gz | Fastqsanger.gz | |||
| SRR9290871_1.fastq.gz | Fastqsanger.gz | |||
| SRR9290871_2.fastq.gz | Fastqsanger.gz | |||
| SRR9290872_1.fastq.gz | Fastqsanger.gz |
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Project description:Purpose: The goal of this study is to identify transcriptome-wide changes that occur in a mouse prostate cell line with knockdown of Map3k7(Tak1) and Chd1. We utilize this cell line as a model of an aggressive prostate cancer subtype consisting of loss of both MAP3K7 and CHD1 in human patients. RNAseq comparing shControl, shMap3k7(Tak1), shChd1, and shDouble (both) was used to identify transcriptome changes resulting from loss of these genes of interest in order to identify potential therapeutic vulnerabilites. Cell line: The generation of the WFU3 cell line has been previously described (Barclay, W.W et al. The Prostate. 2005; PMID:15599944). Breifly, anterior prostate lobes of adult B1/6; 129/SVEV mice were harvested, minced, and extensively digested, and resulting organoids were separated from stromal cells using a Percoll density gradient. These organoids were then plated on rat-tail collagen coated plates in complete growth media, and after 4-5 passages were transferred to uncoated plates. These prostatic epithelial progenitor stem cells are maintained in supplemented 50:50 Dulbecco’s modified Eagle’s medium (DMEM)/Ham’s F-12 medium (F12). Complete media components are described in the Barclay, W.W paper.
2019-07-01 | GSE132664 | GEO
Project description:Purpose: The goal of this study is to identify transcriptome-wide changes that occur in a human prostate cell line with knockdown of MAP3K7(TAK1) and CHD1, in the presence and absence of androgens. We utilize this cell line as a model of an aggressive prostate cancer subtype consisting of deletions of both MAP3K7 and CHD1 in human patients. RNAseq comparing shControl and shMAP3K7/shCHD1 was used to identify transcriptome changes resulting from loss of these genes, as well as their effects on androgen signaling. Abstract of associated study: Prostate cancer (PCa) genomic subtypes that stratify aggressive disease and inform treatment decisions at the primary stage are currently limited. Previously, we functionally validated an aggressive subtype present in 15% of PCa characterized by dual deletion of MAP3K7 and CHD1. Recent studies in the field have focused on deletion of CHD1 and its role in androgen receptor (AR) chromatin distribution and resistance to AR-targeted therapy, however, CHD1 is rarely lost without co-deletion of MAP3K7. Here we show that in the clinically relevant context of co-loss of MAP3K7 and CHD1 there are significant, collective changes to aspects of AR signaling. While CHD1 loss mainly impacts the expansion of the AR cistrome, loss of MAP3K7 drives increased AR target gene expression. PCa cell line models engineered to co-suppress MAP3K7 and CHD1 also demonstrated increased AR-v7 expression and resistance to the AR-targeting drug enzalutamide. Furthermore, we determined that low protein expression of both genes is significantly associated with biochemical recurrence (BCR) in a clinical cohort of radical prostatectomy specimens. Low MAP3K7 expression, however, was the strongest independent predictor for risk of BCR over all other tested clinicopathologic factors including CHD1 expression. Collectively, these findings illustrate the importance of MAP3K7 loss in a molecular subtype of PCa that poses challenges to conventional therapeutic approaches.
2021-04-12 | GSE168670 | GEO
Project description:Purpose: The goal of this study is to identify transcriptome-wide changes that occur in a human prostate cell line with knockdown of MAP3K7(TAK1) and CHD1, in the presence and absence of androgens. We utilize this cell line as a model of an aggressive prostate cancer subtype consisting of deletions of both MAP3K7 and CHD1 in human patients. RNAseq comparing shControl and shMAP3K7/shCHD1 was used to identify transcriptome changes resulting from loss of these genes, as well as their effects on androgen signaling. Abstract of associated study: Prostate cancer (PCa) genomic subtypes that stratify aggressive disease and inform treatment decisions at the primary stage are currently limited. Previously, we functionally validated an aggressive subtype present in 15% of PCa characterized by dual deletion of MAP3K7 and CHD1. Recent studies in the field have focused on deletion of CHD1 and its role in androgen receptor (AR) chromatin distribution and resistance to AR-targeted therapy, however, CHD1 is rarely lost without co-deletion of MAP3K7. Here we show that in the clinically relevant context of co-loss of MAP3K7 and CHD1 there are significant, collective changes to aspects of AR signaling. While CHD1 loss mainly impacts the expansion of the AR cistrome, loss of MAP3K7 drives increased AR target gene expression. PCa cell line models engineered to co-suppress MAP3K7 and CHD1 also demonstrated increased AR-v7 expression and resistance to the AR-targeting drug enzalutamide. Furthermore, we determined that low protein expression of both genes is significantly associated with biochemical recurrence (BCR) in a clinical cohort of radical prostatectomy specimens. Low MAP3K7 expression, however, was the strongest independent predictor for risk of BCR over all other tested clinicopathologic factors including CHD1 expression. Collectively, these findings illustrate the importance of MAP3K7 loss in a molecular subtype of PCa that poses challenges to conventional therapeutic approaches.
2021-04-12 | GSE168665 | GEO
Project description:Purpose: The goal of this study is to identify transcriptome-wide changes that occur in a human prostate cell line with knockdown of MAP3K7(TAK1) and CHD1, in the presence and absence of androgens. We utilize this cell line as a model of an aggressive prostate cancer subtype consisting of deletions of both MAP3K7 and CHD1 in human patients. RNAseq comparing shControl, shMAP3K7(TAK1), shCHD1, and both (shMAP3K7/shCHD1) was used to identify transcriptome changes resulting from loss of each of these genes, as well as their effects on androgen signaling. Abstract of associated study: Prostate cancer (PCa) genomic subtypes that stratify aggressive disease and inform treatment decisions at the primary stage are currently limited. Previously, we functionally validated an aggressive subtype present in 15% of PCa characterized by dual deletion of MAP3K7 and CHD1. Recent studies in the field have focused on deletion of CHD1 and its role in androgen receptor (AR) chromatin distribution and resistance to AR-targeted therapy, however, CHD1 is rarely lost without co-deletion of MAP3K7. Here we show that in the clinically relevant context of co-loss of MAP3K7 and CHD1 there are significant, collective changes to aspects of AR signaling. While CHD1 loss mainly impacts the expansion of the AR cistrome, loss of MAP3K7 drives increased AR target gene expression. PCa cell line models engineered to co-suppress MAP3K7 and CHD1 also demonstrated increased AR-v7 expression and resistance to the AR-targeting drug enzalutamide. Furthermore, we determined that low protein expression of both genes is significantly associated with biochemical recurrence (BCR) in a clinical cohort of radical prostatectomy specimens. Low MAP3K7 expression, however, was the strongest independent predictor for risk of BCR over all other tested clinicopathologic factors including CHD1 expression. Collectively, these findings illustrate the importance of MAP3K7 loss in a molecular subtype of PCa that poses challenges to conventional therapeutic approaches.
2021-04-12 | GSE168663 | GEO
Project description:Purpose: The goal of this study is to identify genome-wide changes in AR chromatin binding that occur in a human prostate cell line with knockdown of MAP3K7(TAK1) and CHD1, in the presence and absence of androgens. We utilize this cell line as a model of an aggressive prostate cancer subtype consisting of deletions of both MAP3K7 and CHD1 in human patients. ChIP-seq comparing AR chromatin binding in shControl, shMAP3K7(TAK1), shCHD1, and both (shMAP3K7/shCHD1) was used to identify AR cistrome changes resulting from loss of each of these genes. Abstract of associated study: Prostate cancer (PCa) genomic subtypes that stratify aggressive disease and inform treatment decisions at the primary stage are currently limited. Previously, we functionally validated an aggressive subtype present in 15% of PCa characterized by dual deletion of MAP3K7 and CHD1. Recent studies in the field have focused on deletion of CHD1 and its role in androgen receptor (AR) chromatin distribution and resistance to AR-targeted therapy, however, CHD1 is rarely lost without co-deletion of MAP3K7. Here we show that in the clinically relevant context of co-loss of MAP3K7 and CHD1 there are significant, collective changes to aspects of AR signaling. While CHD1 loss mainly impacts the expansion of the AR cistrome, loss of MAP3K7 drives increased AR target gene expression. PCa cell line models engineered to co-suppress MAP3K7 and CHD1 also demonstrated increased AR-v7 expression and resistance to the AR-targeting drug enzalutamide. Furthermore, we determined that low protein expression of both genes is significantly associated with biochemical recurrence (BCR) in a clinical cohort of radical prostatectomy specimens. Low MAP3K7 expression, however, was the strongest independent predictor for risk of BCR over all other tested clinicopathologic factors including CHD1 expression. Collectively, these findings illustrate the importance of MAP3K7 loss in a molecular subtype of PCa that poses challenges to conventional therapeutic approaches.
2021-04-12 | GSE168651 | GEO
Project description:A key principle of oncolytic viral therapy is that many cancers develop defects in their antiviral responses, making them more susceptible to virus infection. However, some cancers display resistance to viral infection. Many of these resistant cancers constitutively express interferon-stimulated genes (ISGs). The goal of these experiments was to determine the role of two tumor suppressor genes, MAP3K7 and CHD1, in viral resistance and ISG expression in PC3 prostate cancer cells resistant to oncolytic vesicular stomatitis virus (VSV). MAP3K7 and CHD1 are often co-deleted in aggressive prostate cancers. Silencing expression of MAP3K7 and CHD1 in PC3 cells increased susceptibility to M protein mutant M51R-VSV as shown by increased expression of viral genes, increased yield of progeny virus, and reduction of tumor growth in nude mice. Silencing MAP3K7 alone had a greater effect on virus susceptibility than silencing CHD1. Silencing MAP3K7 and CHD1 decreased constitutive expression of ISG mRNAs and proteins, whereas silencing MAP3K7 alone decreased expression of ISG proteins, but actually increased expression of ISG mRNAs. These results suggest a role for the protein product of MAP3K7, transforming growth factor β-activated kinase 1 (TAK1), in regulating translation of ISG mRNAs and a role of CHD1 in maintaining the transcription of ISGs.
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2011-12-19 | E-GEOD-33531 | biostudies-arrayexpress