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UHRF1 is a mediator of KRAS driven oncogenesis in lung adenocarcinoma [RNA-seq]

ABSTRACT: RNA sequening was performed to understand the role of UHRF1 in regulation of gene expression in KRAS mutant lung cancer cell lines. Knock-down of both UHRF1 and KRAS leads to significant and overlapping changes in gene expression in both cell lines.

ORGANISM(S): Homo sapiens

PROVIDER: GSE198289 | GEO | 2023/05/15

REPOSITORIES: GEO

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UHRF1 is a mediator of KRAS driven oncogenesis in lung adenocarcinoma [epic_methyl]

Project description:Methylation array was performed to understand the role of UHRF1 in DNA methylation in KRAS mutant lung cancer cell lines. Knock-down of UHRF1 leads to significant changes in global DNA methylation in both cell lines.

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UHRF1 is a mediator of KRAS driven oncogenesis in lung adenocarcinoma [CRISPR_screen]

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UHRF1 is a mediator of KRAS driven oncogenesis in lung adenocarcinoma [shRNA]

Project description:Using pooled shRNA libraries we performed a focused screen of 115 genes in 3D ex vivo cultures of primary murine lung tumor cells and 2D cultures of murine LKR10 cells. These screens identify Uhrf1 as gene selectively important for the 3D growth of primary lung cancer spheroids.

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UHRF1 is a mediator of KRAS driven oncogenesis in lung adenocarcinoma

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

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Comparative transcriptome analysis of Ptf1aCre;Kras,Brg1-/- vs. Ptf1a;Kras;p53+/- subcutaneous pancreatic ductal adenocarcinoma

Project description:In this experiment the RNA of s.c. grown tumors of cancer cell lines of murine Ptf1aCre;Kras,Brg1-/- vs. Ptf1a;Kras;p53+/- PDA was isolated and analyzed for gene expression. Ptf1aCre;Kras,Brg1-/- s.c. PDA grows more benign as compared to Ptf1a;Kras;p53+/- PDA; and the rationale of this study was to identify genes responsible for this different biological behavior. Total RNA of s.c. tumors of Ptf1aCre;Kras,Brg1-/- vs. Ptf1a;Kras;p53+/- cancer cell lines was isolated, purified and analyzed on the deep sequencing platform.

2013-11-14 | E-GEOD-52332 | biostudies-arrayexpress

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Project description:We used UHRF1 knockout cell lines and matched controls in human osteosarcoma cell lines to investigate the role of UHRF1 in tumorigenesis. UHRF1 loss drastically decreased cell proliferation and decreased migration, invasion, and metastasis.

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Chromatin accessibility analysis of UHRF1 KO osteosarcoma cell lines

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Comparative transcriptome analysis of Ptf1aCre;Kras,Brg1-/- vs. Ptf1a;Kras;p53+/- subcutaneous pancreatic ductal adenocarcinoma

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Murine Kras mutant or Kras wildtype cancer cell lines

Project description:Comparison of gene expression in murine Kras mutant (LLC, AE17, MC38, FULA1) and Kras wildtype cell lines (B16F10, PANO2, CULA). First gene expression of benign cells and tissue ( BMDM, TEC, LUNG, BMMC) was subtracted from both Kras mutant or Kras wildtype gene expression profiles. Second Kras mutant gene expression was compared to Kras wildtype gene expression. Cell lines expressing genetically modified Kras gene were included in the analysis. Genetic modification was either done by overexpression of mutant KRAS harboring a G12C mutation or silencing with shRNA targeting Kras. shControl cell lines were used also as wildtype samples in different analysis presented in the manuscript except MC38 ( run on chip MoGene_1.0).

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Gene expression profiles of uhrf1 mutant zebrafish

Project description:UHRF1 (Ubiquitin-like, containing PHD and RING finger domains, 1) recruits DNMT1 to hemimethylated DNA during replication, is essential for maintaining DNA methylation patterns during cell division and is suggested to direct additional repressive epigenetic marks. Uhrf1 mutation in zebrafish results in multiple embryonic defects including failed hepatic outgrowth, but the epigenetic basis of these phenotypes is not known. We find that DNA methylation is the only epigenetic mark that is depleted in uhrf1 mutants and make the surprising finding that despite the reduced organ size in uhrf1 mutants, genes regulating DNA replication and S-phase progression were highly upregulated. Further, there is a striking increase in BrdU incorporation in uhrf1 mutant cells, and they retained BrdU labeling over several days, indicating they are arrested in S-phase. Moreover, some of the label retaining nuclei co-localized with TUNEL positive nuclei, suggesting that arrested cells are responsible for apoptosis. Importantly, dnmt1 mutation phenocopies the S-phase arrest and hepatic outgrowth defects in uhrf1 mutants and Dnmt1 knock-down enhances the uhrf1 hepatic phenotype. Together, these data indicate that DNA hypomethylation is sufficient to generate the uhrf1 mutant phenotype by promoting an S-phase arrest. We thus propose that cell cycle arrest is a mechanism to restrict propagation of epigenetically deranged cells during embryogenesis. Genome-wide expression profiling was performed on 2 uhrf1 mutant and 2 wildtype zebrafish larvae (120 hours post fertilization) by using Zebrafish Genome Array (Affymetrix) according to manufacturer's instruction.

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