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786-O and 786-VHL in EMCV study

ABSTRACT: 786-0 is a cell line derived from a clear cell renal carcinoma. Previous studies have shown that the 786-O cell line harbors an inactivating mutation in the von-Hippel Lindau (VHL) gene. Mutations in the VHL gene occur in the majority of sporadic clear cell renal cell. To determine how inactivation of the VHL affects cellular functions, we created a derivative of 786-0, which we call 786-VHL in which a functional allele of VHL has been introduced back into the 786-O cell line. The renal cell carcinoma cell line 786-0, which harbors a mutated allele of VHL, was compared to a cell line derived from 786-0, termed 786-VHL, that contains a functional allele of VHL. Genes whose expression characteristics were dependent on functional VHL were identified.

ORGANISM(S): Homo sapiens

SUBMITTER: Michael Ohh

PROVIDER: E-GEOD-22256 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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786-O and 786-VHL in EMCV study

Project description:786-0 is a cell line derived from a clear cell renal carcinoma. Previous studies have shown that the 786-O cell line harbors an inactivating mutation in the von-Hippel Lindau (VHL) gene. Mutations in the VHL gene occur in the majority of sporadic clear cell renal cell. To determine how inactivation of the VHL affects cellular functions, we created a derivative of 786-0, which we call 786-VHL in which a functional allele of VHL has been introduced back into the 786-O cell line.

2010-06-10 | GSE22256 | GEO

RNA-seq of a VHL-/- human renal cancer cell line 786-0 transfected with 3 vectors

Project description:The human renal cancer cell line 786-0 was transfected with 3 vectors allowing the doxycycline-inducible expression of 1) the full length wild type sequence of VHL: 786-0 VHL WT, VHL+/+, 2) the R167Q mutant : 786-0 R167Q, VHL mutated, 3) the empty vector : 786-0 EV, VHL-/-. The aim of the study was to examine whether the VHL-R167Q mutation, which is associated with a high risk of developping clear cell renal carcinomas, could impact the plasticity of renal carcinoma cells.

2021-12-09 | E-MTAB-11168 | biostudies-arrayexpress

Next Generation Sequencing of 786-O-Ctrl and786-O-VHL Transcriptomes

Project description:Inactivation of the E3 ubiquitin ligase protein von Hippel-Lindau (VHL) is critical to clear cell renal cell carcinomas (ccRCC) and VHL syndrome. VHL loss leads to stabilization of hypoxia-inducible factor α (HIFα) and other substrate proteins, which may drive various tumor-promoting pathways. This process is likely reversible, because even in the highly aggressive human VHL-deficient ccRCC cell line 786-O, restoring VHL expression almost completely abolishes orthotopic tumor formation in immuno-deficient mice. This result highlights the potential of treating ccRCC by re-expressing VHL with gene therapy. However, there is inadequate understanding of the consequence of VHL restoration at the molecular level. Here, we reinstalled VHL expression in 786-O and performed transcriptome, proteome and ubiquitome profiling to assess the molecular impact.

2021-10-18 | GSE186013 | GEO

786-0 renal cell carcinoma cell line Everolimus treatment

Project description:We present transcriptome profiling of 786-0 renal cell carcinoma cell lines both with and without Everolimus, an mTOR inhibitorhbn

2022-12-01 | GSE99875 | GEO

RNA-seq of a VHL-/- human renal cancer cell line 786-0 transfected with 3 vectors

Project description:RNA-seq of a VHL-/- human renal cancer cell line 786-0 transfected with 3 vectors

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Gene expression profiling of 786-O cells with ZHX2 and p65 knockdown

Project description:We are examining the regulatory pathway of ZHX2 and p65 in clear cell renal cell carcinoma cell line 786-O

2018-06-30 | GSE110094 | GEO

Gene expression data from the 786-O renal cell carcinoma cell line and its metastatic derivatives.

Project description:Inactivation of the von Hippel-Lindau tumor suppressor gene, VHL, is an archetypical tumor-initiating event in clear cell renal carcinoma (ccRCC) that leads to the activation of hypoxia-inducible transcription factors (HIFs). However, VHL mutation status in ccRCC is not correlated with clinical outcome. Here we show that during ccRCC progression, cancer cells exploit diverse epigenetic alterations to empower a branch of the VHL-HIF pathway for metastasis, and the strength of this activation is associated with poor clinical outcome. By analyzing metastatic subpopulations of VHL-deficient ccRCC cells, we discovered an epigenetically altered VHL-HIF response that is specific to metastatic ccRCC. Focusing on the two most prominent pro-metastatic VHL-HIF target genes, we show that loss of polycomb repressive complex 2 (PRC2)-dependent histone H3 Lys27 trimethylation (H3K27me3) activates HIF-driven chemokine (C-X-C motif) receptor 4 (CXCR4) expression in support of chemotactic cell invasion, whereas loss of DNA methylation enables HIF-driven cytohesin 1 interacting protein (CYTIP) expression to protect cancer cells from death cytokine signals. Thus, metastasis in ccRCC is based on an epigenetically expanded output of the tumor-initiating pathway. Gene expression profiles of 786-O renal cell carcinoma cells and metastatic subpopulations isoloated by in vivo selection in immunocomrpmized mice. The derivatives are significantly enriched in the metastatic propensity as measure by experimental metastasis assays.

2012-12-05 | E-GEOD-32295 | biostudies-arrayexpress

Gene expression changes in response to VHL-reintroduction in metastatic 786-M1A cells.

Project description:Inactivation of the von Hippel-Lindau tumor suppressor gene, VHL, is an archetypical tumor-initiating event in clear cell renal carcinoma (ccRCC) that leads to the activation of hypoxia-inducible transcription factors (HIFs). However, VHL mutation status in ccRCC is not correlated with clinical outcome. Here we show that during ccRCC progression, cancer cells exploit diverse epigenetic alterations to empower a branch of the VHL-HIF pathway for metastasis, and the strength of this activation is associated with poor clinical outcome. By analyzing metastatic subpopulations of VHL-deficient ccRCC cells, we discovered an epigenetically altered VHL-HIF response that is specific to metastatic ccRCC. Focusing on the two most prominent pro-metastatic VHL-HIF target genes, we show that loss of polycomb repressive complex 2 (PRC2)-dependent histone H3 Lys27 trimethylation (H3K27me3) activates HIF-driven chemokine (C-X-C motif) receptor 4 (CXCR4) expression in support of chemotactic cell invasion, whereas loss of DNA methylation enables HIF-driven cytohesin 1 interacting protein (CYTIP) expression to protect cancer cells from death cytokine signals. Thus, metastasis in ccRCC is based on an epigenetically expanded output of the tumor-initiating pathway. Gene expression data from metastatic 786-M1A cells with and without reintroduced HA-VHL. The empty vector, pBabe-puro, was used as control.

2012-12-05 | E-GEOD-32297 | biostudies-arrayexpress

Gene expression changes in 786-O cells in response to 5DC treatment.

Project description:Inactivation of the von Hippel-Lindau tumor suppressor gene, VHL, is an archetypical tumor-initiating event in clear cell renal carcinoma (ccRCC) that leads to the activation of hypoxia-inducible transcription factors (HIFs). However, VHL mutation status in ccRCC is not correlated with clinical outcome. Here we show that during ccRCC progression, cancer cells exploit diverse epigenetic alterations to empower a branch of the VHL-HIF pathway for metastasis, and the strength of this activation is associated with poor clinical outcome. By analyzing metastatic subpopulations of VHL-deficient ccRCC cells, we discovered an epigenetically altered VHL-HIF response that is specific to metastatic ccRCC. Focusing on the two most prominent pro-metastatic VHL-HIF target genes, we show that loss of polycomb repressive complex 2 (PRC2)-dependent histone H3 Lys27 trimethylation (H3K27me3) activates HIF-driven chemokine (C-X-C motif) receptor 4 (CXCR4) expression in support of chemotactic cell invasion, whereas loss of DNA methylation enables HIF-driven cytohesin 1 interacting protein (CYTIP) expression to protect cancer cells from death cytokine signals. Thus, metastasis in ccRCC is based on an epigenetically expanded output of the tumor-initiating pathway. Gene expression data from 786-O cells after 3-day treatment with 100uM 5’-aza-deoxycytidine (5DC) or vehicle (DMSO).

2012-12-05 | E-GEOD-32298 | biostudies-arrayexpress

Gene expression changes in 786-O cells in response to SUZ12 knockdown.

Project description:Inactivation of the von Hippel-Lindau tumor suppressor gene, VHL, is an archetypical tumor-initiating event in clear cell renal carcinoma (ccRCC) that leads to the activation of hypoxia-inducible transcription factors (HIFs). However, VHL mutation status in ccRCC is not correlated with clinical outcome. Here we show that during ccRCC progression, cancer cells exploit diverse epigenetic alterations to empower a branch of the VHL-HIF pathway for metastasis, and the strength of this activation is associated with poor clinical outcome. By analyzing metastatic subpopulations of VHL-deficient ccRCC cells, we discovered an epigenetically altered VHL-HIF response that is specific to metastatic ccRCC. Focusing on the two most prominent pro-metastatic VHL-HIF target genes, we show that loss of polycomb repressive complex 2 (PRC2)-dependent histone H3 Lys27 trimethylation (H3K27me3) activates HIF-driven chemokine (C-X-C motif) receptor 4 (CXCR4) expression in support of chemotactic cell invasion, whereas loss of DNA methylation enables HIF-driven cytohesin 1 interacting protein (CYTIP) expression to protect cancer cells from death cytokine signals. Thus, metastasis in ccRCC is based on an epigenetically expanded output of the tumor-initiating pathway. The effects of SUZ12 knockdown on 786-O cells were investigated by comparing the gene expression profiles of control (pGIPZ) cells with SUZ12sh1 and SUZ12sh2 cells. The controls were done in triplicate and both kd cells in duplicate.

2012-12-05 | E-GEOD-35417 | biostudies-arrayexpress

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