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Expression data of PTEN deficient PKO cells

ABSTRACT: Expression data of PTEN deficient PKO cells

PROVIDER: PRJNA975844 | ENA |

REPOSITORIES: ENA

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Expression data of PTEN deficient PKO cells

Project description:Incurable metastatic castration-resistant prostate cancer (CRPC) eventually occurs after androgen deprivation treatment. It is important to understand how CRPC initiates/progress. We generated a mouse androgen-independent prostate cancer cell line (PKO) from PTEN null and Hi-Myc transgenic mice in C57BL/6 background. Here we analyzed the expression profiles of PKO cells.

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Synthetic essentiality of metabolic regulator PDHK1 in PTEN-deficient cells and cancer

Project description:PTEN is a tumor suppressor that is often inactivated in cancer and possesses both lipid and protein phosphatase activities. We report the metabolic regulator PDHK1 (pyruvate dehydrogenase kinase1) is a synthetic-essential gene in PTEN-deficient cancer and normal cells. The predominant mechanism of PDHK1 regulation and dependency is the PTEN protein phosphatase dephosphorylates NFkB activating protein (NKAP) and limits NFkB activation to suppress expression of PDHK1, a NFkB target gene. Loss of the PTEN protein phosphatase upregulates PDHK1 to drive aerobic glycolysis and induce PDHK1 cellular dependence. PTEN-deficient human tumors harbor increased PDHK1, which is a biomarker of decreased patient survival, establishing clinical relevance. This study uncovers a PTEN-regulated signaling pathway and reveals PDHK1 as a potential target in PTEN-deficient cancers.

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Microarray analysis of WT, SKO, PKO and DKO liver samples

Project description:Microarray analysis of WT (Pten2fl/fl:Shp2fl/fl:Alb-Cre-), SKO (Shp2hep-/-, or Shp2fl/fl:Alb-Cre+), PKO (Ptenhep-/-, or Pten2fl/fl:Alb-Cre+) and DKO (Ptenfl/fl:Shp2fl/fl:Alb-Cre+) liver samples to gain global molecular insights how shp2 and pten is involved in liver tumorigenesis.

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sequencing data from control and PTEN-deficient mouse brain microvascular transcriptomes

Project description:sequencing data from control and PTEN-deficient mouse brain microvascular transcriptomes

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Temporal gene expression patterns (Next Generation Sequencing) in liver tumourigenesis of hepatocyte-specific deletion of shp2 and/or pten

Project description:Purpose: Next-generation sequencing (NGS) has revolutionized systems-based analysis of cellular pathways. The goals of this study are to reveal dynamics of liver tumourigenesis in different mouse model and identify some key regulators that control HCC initiation or progression. We also try to define a index based on transcriptome of samples to quantify tumor development stage. Methods: mRNA profiles of wild-type (WT), hepatocyte-specific shp2 deletion (Shp2−/−) mice (SKO), hepatocyte-specific pten deletion (Pten−/−) mice (PKO), and hepatocyte-specific shp2 and pten deletion mice (DKO) were generated by deep sequencing. The sequence reads that passed quality filters were mapped to Mouse genome using STAR, and mRNA profiles were obtained using cuffdiff. Results: quanlity control of mRNA profiles showed that the data captured key features of phenotypes. Significantly changed genes, pathways, biolgocial processes, ligand and receptor, epigenetic regulators et al of SKO, PKO, DKO mice at differnet age were obtaiend. Temporal gene expression patterns during liver tumorigenesis in SKO, PKO and DKO mice were obtained. Conclusions: Our study represents the first detailed analysis of temporal transcriptomes during liver tumourigenesis, with biologic replicates, generated by RNA-seq technology. The optimized data analysis workflows reported here should provide a framework for comprehensive investigations of expression profiles.

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miRNA expression in PTEN-deficient premalignant DP thymocytes

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