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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Comparison of KRas;Atg5fl/+ and KRas;Atg5fl/fl pneumocytes

ABSTRACT: Primary pneumocytes from KRas;Atg5fl/+ and KRas;Atg5fl/fl littermates were cultured for 48 hours and infected with AdCre-GFP to induce expression of the KrasG12D oncogene and concomitant Atg5 deletion. The transcriptional profile of those cells was determined by mRNA sequencing and uncovered differential expression in cellular movement, inflammatory response and oxidative stress response. Comparison of transcriptomes from KRas;Atg5fl/+ and KRas;Atg5fl/fl pneumocytes

ORGANISM(S): Mus musculus

SUBMITTER: Shuan Rao

PROVIDER: E-GEOD-48387 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Comparison of KRas;Atg5fl/+ and KRas;Atg5fl/fl pneumocytes

Project description:Primary pneumocytes from KRas;Atg5fl/+ and KRas;Atg5fl/fl littermates were cultured for 48 hours and infected with AdCre-GFP to induce expression of the KrasG12D oncogene and concomitant Atg5 deletion. The transcriptional profile of those cells was determined by mRNA sequencing and uncovered differential expression in cellular movement, inflammatory response and oxidative stress response.

2014-01-07 | GSE48387 | GEO

Comparison of Kras;Rank+/+ and Kras;Rankfl/fl mouse primary pneumocytes treated with Rankl ex vivo

Project description:The transcriptional profile of Kras;Rank +/+ and Kras;Rank fl/fl mouse primary pneumocytes were determined by mRNA sequencing and uncovered differences in their molecular signatures including genes involved in cell-cell junction, mitosis, mitochondrial homeostasis, TCA cycle and respiratory electron transport

2017-12-22 | GSE81670 | GEO

Comparative transcriptome of control and ATG5-deficient lung tumors

Project description:Expression profiling of lung tumors isolated from control and KRas;Atg5fl/fl littermates at 18 weeks after AdCre inhalation

2014-01-07 | E-MEXP-3653 | biostudies-arrayexpress

Mus musculus

Project description:Comparison of KRas;Atg5fl/+ and KRas;Atg5fl/fl pneumocytes

| PRJNA209969 | ENA

KRAS and YAP1 converge to regulate EMT and tumor survival

Project description:Cancer cells that express oncogenic alleles of RAS typically require sustained expression of the mutant allele for survival, but the molecular basis of this oncogene dependency remains incompletely understood. To identify genes that can functionally substitute for oncogenic RAS, we systematically expressed 15,294 open reading frames in a human KRAS-dependent colon cancer cell line engineered to express an inducible KRAS-specific shRNA. We found 147 genes that promoted survival in the setting of KRAS suppression. In this model, the transcriptional co-activator YAP1 rescued cell viability in KRAS-dependent cells upon suppression of KRAS and was required for KRAS-induced cell transformation. Acquired resistance to Kras suppression in a Kras-driven murine lung cancer model also involved increased YAP1 signaling. KRAS and YAP1 converge on the transcription factor FOS and activate a transcriptional program involved in regulating the epithelial-mesenchymal transition (EMT). Together, these findings implicate transcriptional regulation of EMT by YAP1 as a significant component of oncogenic RAS signaling Three biological replicates of primary lung adenocarcinoma cells derived from the Kras Lox-STOP-Lox-G12D;p53flox/flox (KP) mouse lung cancer model into which a doxycycline-inducible shRNA targeting Kras expressed from the 3’UTR of GFP was introduced (KP-KrasA cells) were analyzed at timepoints (days) D0, D4, and D21.

2014-07-27 | E-GEOD-56175 | biostudies-arrayexpress

Atp4b-Cre;Cdh1(fl/fl);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP) mouse stomach vs. Atp4b-Cre;Cdh1(fl/+);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP) mouse stomach microarray

Project description:We wished to investigate the role of E-cadherin loss in our mouse parietal cell/pre-parietal cell E-cadherin knock-out, p53 knock-out, oncogenic Kras induced model of gastric cancer. As such, we isolated RNA from stomach tissue from our E-cadherin knock-out model (Atp4b-Cre;Cdh1(fl/fl);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP)) and our E-cadherin heterozygous model (Atp4b-Cre;Cdh1(fl/+);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP)). We then performed a microarray on this stomach tissue from four independent mice of each genotype. Differentially expressed genes were identified and gene set overlap analysis was used to identify pathways enriched in one model over the other.

2018-05-01 | E-MTAB-5833 | biostudies-arrayexpress

Mus musculus

Project description:Comparison of Kras;Rank+/+ and Kras;Rankfl/fl mouse primary pneumocytes treated with Rankl ex vivo

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Consequences of beta-PDGFR deletion on hepatic stellate cells during hepatic regeneration

Project description:Purpose: The goal of this study was to determine biological consequences during liver regeneration following partial hepatectomy in mice by next-generation sequencing. A particular interest was to compare mice with either a floxed b-PDGFR allele to mice that harbored a deletion of b-PDGFR in hepatic stellate cells (HSCs), by crossing b-PDGFR fl/fl mice with transgenic GFAP-Cre mice. Methods: b-PDGFR fl/fl mice or mice with a HSC-specific deletion of b-PDGFR underwent either sham operation or 70% partial hepatectomy. Following 72 hours, livers were collected and total RNA was extracted using tizol, followed by a purification using Quiagen spin columns including an on-column DNAse digestion step. Conclusion: Our study represents a detailed analysis of hepatic transcriptome, with biologic replicates, generated by RNA-seq technology of livers following sham operation or partial hepatectomy in b-PDGFR fl/fl mice or b-PDGFRfl/fl/GRAP-Cre mice. Whole liver mRNA profiles of sham operated livers or livers collected 72hours after partial hepatectomy of beta-PDGFR fl/fl and beta-PDGFR fl/fl/GFAP-Cre (creating a hepatic stellate cell-specific deletion of b-PDGFR) mice were generated by deep sequencing, in duplicate, using Illumina HiSeq2000.

2013-11-08 | E-GEOD-52234 | biostudies-arrayexpress

Transcriptomic Profiling of Mice with Klf5 Deletion in Context of Oncogenic Kras Expression

Project description:This study used Illumina RNA-sequencing to examine transcriptomic profile of mice with Klf5 knockout in context of oncogenic Kras expression. The study analyzed total RNA extracted from pancreas of mice 2 days after cerulein-induce pancreatitis. In addition, this study include 2 biological replicate of mice with each of the following genotypes: Ptf1aCreERTM, Ptf1aCreERTM;Klf5fl/fl, Ptf1aCerERTM;LSL-KrasG12D, and Ptf1aCreERTM;LSL-KrasG12D;Klf5fl/fl.

2018-04-17 | GSE104055 | GEO

TET1 is a maintenance DNA demethylase that prevents methylation spreading in adult cells [RNA-seq]

Project description:We report that full length TET1 (TET1-FL) overexpression fails to induce global DNA demethylation in HEK293T cells. The preferential binding of TET1-FL to hypomethylated CpG islands (CGIs) through its CXXC domain leads to its inhibited 5-hydroxymethylcytosine (5hmC) production as methylation level increases. TET1-FL-induced 5hmC accumulates at CGI edges, while TET1 knockdown induces methylation spreading from methylated edges into hypomethylated CGIs. However, TET1 can regulate gene transcription independent of its dioxygenase catalytic function. Thus, our results identify TET1 as a maintenance DNA demethylase that does not purposely decrease methylation levels, but specifically maintains the DNA hypomethylation state of CGIs in adult cells. Genome-wdie profiling of gene expression in HEK293T cells following overexpression of wild type or catalytically mutant TET1-FL or TET1-CD

2014-06-04 | E-GEOD-49833 | biostudies-arrayexpress

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