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Expression analysis of human melanoma short-term culture WM451-Lu harvested after lentiviral infection with a GFP (control) or SETDB1 (experimental) viral vector

ABSTRACT: Investigation of expression differences induced by expression of the histone methyltransferase SETDB1 in human melanoma short-term culture WM451-Lu.

ORGANISM(S): Homo sapiens

PROVIDER: GSE26371 | GEO | 2011/01/07

SECONDARY ACCESSION(S): PRJNA142273

REPOSITORIES: GEO

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Expression analysis of human melanoma short-term culture WM451-Lu harvested after lentiviral infection with a GFP (control) or SETDB1 (experimental) viral vector

Project description:Investigation of expression differences induced by expression of the histone methyltransferase SETDB1 in human melanoma short-term culture WM451-Lu. A six-chip study using total RNA prepared from WM451-Lu melanoma short-term cultures infected with either a lentivirus encoding GFP (control) or SETDB1. Cells were allowed to grow for 2 days post-infection.

2011-01-07 | E-GEOD-26371 | biostudies-arrayexpress

Expression analysis of human melanoma short-term culture WM451-Lu harvested after lentiviral infection with a GFP (control) or SETDB1 (experimental) viral vector

Project description: Not available

| S-ECPF-GEOD-26371 | biostudies-other

Expression analysis of melanoma harvested after GFP or SETDB1 expression

Project description:This SuperSeries is composed of the following subset Series: GSE21505: Expression analysis of melanoma harvested from GFP versus SETDB1 transgenic zebrafish (Danio rerio) GSE26371: Expression analysis of human melanoma short-term culture WM451-Lu harvested after lentiviral infection with a GFP (control) or SETDB1 (experimental) viral vector Refer to individual Series

2011-01-07 | E-GEOD-26372 | biostudies-arrayexpress

Expression analysis of melanoma harvested from GFP versus SETDB1 transgenic zebrafish (Danio rerio)

Project description:Investigation of expression differences between melanomas harvested from MiniCoopR-GFP versus MiniCoopR-SETDB1 transgenic zebrafish. An eight-chip study using total RNA prepared from four distinct melanomas from zebrafish injected with MiniCoopR-GFP (control) transposon and four distinct melanomas from zebrafish injected with MiniCoopR-SETDB1 transposon. Injected animals carried a p53 loss-of-function mutation, a mutation in nacre, and an mitf:BRAF-V600E transgene. Each chip measures the expression level of 32,292 genes.

2011-01-07 | E-GEOD-21505 | biostudies-arrayexpress

Expression analysis of melanoma harvested from GFP versus SETDB1 transgenic zebrafish (Danio rerio)

Project description:Investigation of expression differences between melanomas harvested from MiniCoopR-GFP versus MiniCoopR-SETDB1 transgenic zebrafish.

2011-01-07 | GSE21505 | GEO

Long non-coding RNA Expression Profiling in Lung Cancer = Lung Adenocarcinoma (Lu-T) and in normal lung tissue (Lu-N)

Project description:The expression of long non-coding RNAs - lncRNAs - was profiled in the lung adenocarcinoma patient samples (LUAD, Lu-T) and in normal lung tissues adjacent to tumors (Lu-N) using the Invitrogen NCode Human lncRNA Array Platform. will be published in: Anna Roth et al., Restoring LINC00673 expression triggers cellular senescence in lung cancer

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Hypoxia stabilizes SETDB1 to maintain genome stability

Project description:Von Hippel-Lindau (VHL) is a tumor suppressor that functions as the substrate recognition subunit of the CRL2VHL E3 complex. While substrates of VHL have been identified, its tumor suppressive role remains to be fully understood. For further determination of VHL substrates, we analyzed the physical interactome of VHL and identified the histone H3K9 methyltransferase SETBD1 as a novel target. SETDB1 undergoes oxygen-dependent hydroxylation by prolyl hydroxylase domain proteins (PHD) and the CRL2VHL complex recognizes hydroxylated SETDB1 for ubiquitin-mediated degradation. Under hypoxic conditions, SETDB1 accumulates by escaping CRL2VHL activity. Loss of SETDB1 in hypoxia compared with that in normoxia escalates the production of transposable element (TE)-derived double-stranded RNAs (dsRNAs), thereby hyperactivating the immune-inflammatory response. In addition, strong derepression of TEs in hypoxic cells lacking SETDB1 triggers DNA damage-induced death. Our collective results support a molecular mechanism of oxygen-dependent SETDB1 degradation by the CRL2VHL E3 complex and reveal a role of SETDB1 in genome stability under hypoxia.

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Comparison of gene expression in erythroblasts with the In(Lu) phenotype with normal erythroblasts.

Project description:In order to elucidate the molecular mechanism giving rise to the rare In(Lu) type of Lu(a-b-) blood group phenotype we compared the transcriptome of normal and In(Lu) erythroblasts at different stages of maturation. Many erythroid-specific genes had reduced transcript levels suggesting the phenotype resulted from a transcription factor abnormality. A search for mutations in erythroid transcription factors revealed mutations in the promoter or coding sequence of EKLF in 21 of 24 individuals with the In(Lu) phenotype. In all cases the mutant EKLF allele occurred in the presence of a normal EKLF allele. Individuals with the In(Lu) phenotype have no reported pathology indicating that one functional EKLF allele is sufficient to sustain human erythropoiesis. These data provide the first description of inactivating mutations in human EKLF and the first demonstration of a blood group phenotype resulting from mutations in a transcription factor. Keywords: Time course and cell type comparison.

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Project description:Setdb1 is an epigenetic factors catalyzing modification of H3K9me3. Expression of its gene is localized to embryonic neural cells during vertebrate embryogenesis, suggesting its role in regulating neural stemness. The project is to identify the interaction partners of Setdb1, by which Setdb1 regulates neural stemness in neural stem cells.

2022-08-12 | PXD030453 | Pride

Expression analysis of melanoma harvested after GFP or SETDB1 expression

Project description:This SuperSeries is composed of the SubSeries listed below.

2011-01-07 | GSE26372 | GEO