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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcriptome-profiling (RNA-seq) and Ribosome-profiling (Ribo-seq) of BJ cells treated with Nutlin-3a, an MDM2 inhibitor, which induces p53.

ABSTRACT: We applied in parallel RNA-Seq and Ribosome-profiling analyses to immortalized human primary BJ fibroblast cells in which p53 was induced by Nutlin-3a RNA-seq, using Illumina HiSeq 2000, was applied to BJ cells treated with Nutlin-3a, at 5 timepoints: 0, 2, 4, 6, 19 hrs Ribosome profiling was applied to BJ cells treated with Nutlin-3a, at 5 timepoints: 0, 2, 4, 6, 19 hrs

ORGANISM(S): Homo sapiens

SUBMITTER: Ran Elkon

PROVIDER: E-GEOD-45785 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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p53 induces transcriptional and translational programs to suppress cell proliferation and growth.

Loayza-Puch Fabricio F Drost Jarno J Rooijers Koos K Lopes Rui R Elkon Ran R Agami Reuven R

Genome biology 20130417 4

<h4>Background</h4>Cell growth and proliferation are tightly connected to ensure that appropriately sized daughter cells are generated following mitosis. Energy stress blocks cell growth and proliferation, a critical response for survival under extreme conditions. Excessive oncogenic stress leads to p53 activation and the induction of senescence, an irreversible state of cell-cycle arrest and a critical component in the suppression of tumorigenesis. Nutrient-sensing and mitogenic cues converge o ...[more]

PMID: 23594524

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Transcriptome-profiling (RNA-seq) and Ribosome-profiling (Ribo-seq) in proliferation, quiescence, senescence and transformed states.

Project description:We applied in parallel RNA-Seq and Ribosome-profiling analyses to immortalized human primary BJ fibroblast cells under the following conditions: normal proliferation, quiescence (induced by serum depletion), senescence (induced by activation of the oncogenic RASG12V gene, and examined at early (5 days; pre-senescent state) and late (14 days; fully senescent state) time points), and neoplastic transformation (induced by RASG12V in the background of stable p53 and p16INK4A knockdowns and SV40 small-T expression. RNA-seq, using Illumina HiSeq 2000, was applied to BJ cells under 5 conditions: proliferation, quiescence, pre-senescence, full-senescence, and transfomed. Ribosome profiling, using Illumina HiSeq 2000, was applied to BJ cells under 5 conditions: proliferation, quiescence, pre-senescence, full-senescence, and transfomed.

2013-03-24 | E-GEOD-42509 | biostudies-arrayexpress

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Transcriptome and translatome profiling of MCF7 vector cells after p53 activation

Project description:Several genome-wide transcriptome analyses that focused on p53-induced cellular responses in many cellular contexts have continued to expand the already vast p53-regulated transcriptional networks. To investigate post-transcriptional controls as an additional dimension of p53-directed gene expression responses we performed translatome analysis by polysomal profiling on MCF7 cells treated with Doxorubicin and Nutlin-3a. A comparison between the transcriptome and the translatome revealed a large number of uncoupled genes, whose transcription changes did not correlate with translation changes. Overall, we establish p53 as a master regulator of translational control and identify many p53 target genes affecting translation that can contribute to p53-dependent cellular responses. Keywords: p53, transcriptome, translatome, polysomal RNA, subpolysomal RNA, uncoupling, Doxorubicin, Nutlin-3a Total RNA (tot) was extracted from MCF7 vector cells after 16h of treatment with Doxorubicin (1.5uM) and Nutlin-3a (10uM) or DMSO (solvent, as control treatment). Polysomal profiling was performed after the same conditions. We collected all subpolysomal mRNA fractions (sub) and the polysomal ones (pol) after sucrose gradient fractionation of cytoplasmic lysates to analyze separately mRNAs that are not actively translated from those that are considered in active translation, respectively. Experiments were performed in three biological replicates.

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Transcriptome-profiling (RNA-seq) and Ribosome-profiling (Ribo-seq) of BJ cells treated with Nutlin-3a, an MDM2 inhibitor, which induces p53.

Project description:We applied in parallel RNA-Seq and Ribosome-profiling analyses to immortalized human primary BJ fibroblast cells in which p53 was induced by Nutlin-3a

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p53 induces transcriptional and translational programs to supress cell proliferation and growth

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

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Human BJ fibroblasts containing control vs. BRD7 shRNA

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2014-03-10 | E-GEOD-48296 | biostudies-arrayexpress

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