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RNA-seq data of 786-O cells transfected with control-sgRNA (Control) and PHF8-sgRNA (PHF8-KO)

ABSTRACT: RNA-seq analysis were applied to elucidate the transcriptional differences between 786-O cell lines transfected with control-sgRNA (Control) and PHF8-sgRNA (PHF8-KO). A total of 3575 differentially expressed genes (Fold Change > 2, or Fold Change＜0.5; FDR < 0.05) with 2097 down- and 1478 up-regulated genes were identified in PHF8-KO 786-O cells

ORGANISM(S): Homo sapiens

PROVIDER: GSE214183 | GEO | 2022/10/08

REPOSITORIES: GEO

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RNA-seq data of 786-O cells transfected with control-sgRNA (Control) and PHF8-sgRNA (PHF8-KO)

Project description:RNA-seq data of 786-O cells transfected with control-sgRNA (Control) and PHF8-sgRNA (PHF8-KO)

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RNA-seq data of PHF8 wild-type and PHF8 knockout TRAMP mouse

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ChIP-seq of PHF8 and c-MYC in 786-O cell line

Project description:Genome-wide ChIP-Seq of PHF8 and c-MYC in 786-O cell line was performed to assess the presence of common target genes.

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Histone demethylase PHF8 promotes prostate cancer metastasis via the E2F1-SNAI1 axis.

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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. 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.

2010-06-23 | E-GEOD-22256 | biostudies-arrayexpress

786-O and 786-VHL in EMCV study

2010-06-10 | GSE22256 | GEO

The histone demethylase PHF8 is essential for cytoskeleton dynamics

Project description:PHF8 is a histone demethylase associated with X-linked mental retardation (XLMR). It has been described as a transcriptional coactivator involved in cell cycle progression, but its physiological role is still poorly understood. Here we show that PHF8 controls the expression of genes involved in cell adhesion and cytoskeleton organization such as RhoA, Rac1 and GSK3M-NM-2. A lack of PHF8 not only results in a cell cycle delay but also in a disorganized actin cytoskeleton and impaired cell adhesion. Our data demonstrate that PHF8 directly regulates the expression of these genes by demethylating H4K20me1 at promoters. Moreover, c-Myc transcription factor interacts with PHF8 and binds to the analyzed promoters, suggesting that c-Myc is involved on PHF8 recruitment to these promoters. Further analysis in the neuroblastoma cell line SH-SY5Y and in cortical neurons shows that depletion of PHF8 results in deficient neurite elongation. Overall, our results suggest that the mental retardation phenotype associated with loss of function of PHF8 could be due to abnormal neuronal connections as a result of alterations in cytoskeleton function. HeLa cells were transfected with either control or PHF8 siRNAs. Experiments were performed in biological triplicates. RNA were extracted and sujected to microarray analysis.

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APOC2 increase PHF8 binding on chromatin

Project description:We performed PHF8 ChIP-seq analysis of APOC2 overexpressed RKO cells and control cells to identify high-confident PHF8 regulated targets.

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PHF8 targets histone methylation and RNA polymerase II to activate transcription

Project description:Mutations in PHF8 are associated with X-linked mental retardationand cleft lip/cleft palate. PHF8 contains a plant homeodomain(PHD) in its N-terminus and is member of a family of JmjC-domaincontaining proteins. While PHDs can act as methyl lysine recognitionmotifs, JmjC-domains can catalyze lysine demethylation. Here,we show that PHF8 is a histone demethylase that removes repressivehistone H3 dimethyl lysine 9 marks. Our biochemical analysisrevealed specific association of the PHF8 PHD domain with histoneH3 trimethylated at lysine 4 (H3K4me3). Chromatin-immunoprecipitationfollowed by high throughput sequencing indicated that PHF8 isenriched at transcription start sites of many active or poisedgenes, mirroring the presence of RNA polymerase II (RNAPII)and of H3K4me3-bearing nucleosomes. We show that PHF8 can actas a transcriptional co-activator and its activation functionlargely depends on binding of the PHD to H3K4me3. Furthermore,we present evidence for direct interaction of PHF8 with theC-terminal domain of RNAPII. Importantly, a PHF8 disease mutantis defective in demethylation and in co-activation. This isthe first demonstration of a chromatin-modifying enzyme whichis globally recruited to promoters through its association withH3K4me3 and RNAPII. This SuperSeries is composed of the following subset Series: GSE20563: Knockdown of PHF8 in HeLa S3 cells GSE20725: ChIP-Seq of PHF8 and H3K4me3 Refer to individual Series

2010-04-26 | E-GEOD-20753 | biostudies-arrayexpress

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