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Microarray gene expression in RKO cell line under low replication stress

ABSTRACT: Microarray gene expression in RKO cell line under low replication stress

PROVIDER: PRJNA658154 | ENA |

REPOSITORIES: ENA

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Microarray gene expression in RKO cell line under low replication stress

Project description:RKO cells were treated with low doses of aphidicolin (0,2µM) that inhibit replicative DNA polymerases and induce a mild replication stress. Expression data were analysed on control cells (DMSO), 16h of treatment (t0) and after release in complete new culture medium of 13h (N+1) using microarray (affymetrix Clarion S) We used microarray to analyse the impact of low replication stress on gene expression comparing DMSO or aphidicolin-treated cells at the end of the treatment (t0) and in daughter cells released from the replication stress (N+1).

2021-05-19 | GSE156521 | GEO

ATAC-seq_experiment in RKO cell line under low replication stress

Project description:RKO cells were treated with low doses of aphidicolin (0.2µM) that inhibit replicative DNA polymerases and induce a mild replication stress. ATAC-seq data were analysed on control cells (DMSO) and after 16h of treatment with aphidicolin

2021-05-19 | GSE156552 | GEO

ATAC-seq_experiment in RKO cell line under low replication stress

Project description:ATAC-seq_experiment in RKO cell line under low replication stress

| PRJNA658332 | ENA

ChIP-seq of MYST acetyltransferases in RKO cell line

Project description:Genome-wide mapping of MYST acetyltransferase subunit BRPF3 in RKO synchronised cells. Genome-wide mapping of MYST acetyltransferase subunit BRPF3 in RKO synchronised cells.

2016-02-05 | E-GEOD-63722 | biostudies-arrayexpress

ChIP-seq of MYST acetyltransferases in RKO cell line

Project description:Genome-wide mapping of MYST acetyltransferase subunit BRPF3 in RKO synchronised cells.

2016-02-05 | GSE63722 | GEO

Expression data from RKO cells transfected with SPARCL1 and vector control

2011-09-30 | GSE31440 | GEO

Expression data from RKO cells transfected with SPARCL1 and vector control

Project description:Colon cancer cell line RKO grown on Matrigel form a luminal-like structure after the transfection of SPARCL1 gene, which may imply the differentiation of the cells. To indentify genes regulated by SPARCL1, we built two stable cell lines: RKO with pLXSN-SPARCL1 plasmid (RKO-SPARCL1) and RKO with pLXSN plasmid (RKO-pLXSN). Then we cultured these two cell lines on both plastic dish and dish cover with a layer of Matrigel. We used microarrays to undentify global gene expression change in RKO cells after the tranfection of SPARCL1. Four samples including RKO-pLXSN cells cultured on plastic, RKO-pLXSN cells cultured on Matrigel, RKO-SPARCL1 cells cultured on plastic and RKO-SPARCL1 cells cultured on Matrigel were trypsinized and collected for RNA extraction and hybridization on Affymetrix microarray U133plus2.0. Supplementary files: * RLvsRP: up and down regulated genes comparing with RKO-SPARCL1(RL) and RKO-pLXSN(RP) cells cultured on plastic * RLMvsRPM: up and down regulated genes comparing with RKO-SPARCL1(RL) and RKO-pLXSN(RP) cells cultured on Matrigel

2011-09-29 | E-GEOD-31440 | biostudies-arrayexpress

Microarray Experiment for Swarnaprabha rice line in low light stress

Project description:To further understand the genomics of low light tolerance, Swarnaprabha rice line was subjected to low light or shade stress. The fully emerged panicles were samples at early grain filling stage and microarray was performed from the spikelets. Expression of 12 gene in different pathway were verified using real-time PCR reactions.

2019-05-14 | GSE118464 | GEO

Replication timing program in 6 human model cell lines

Project description:We present here the characterization of the replication timing program in 6 human cell lines : U2OS, RKO, 293T, HeLa, MRC5 and K562

2016-07-08 | GSE80029 | GEO

dNTP pools determine fork progression and origin usage under replication stress

Project description:Intracellular levels of deoxyribonucleoside triphosphate (dNTP) must be tightly regulated to preserve genome integrity. Indeed, alterations in dNTP pools have recently been associated with increased mutagenesis, genomic instability and tumorigenesis. However, the mechanisms by which low or imbalanced dNTP pools affect DNA replication remain poorly understood. Here, we have modulated the activity of ribonucleotide reductase (RNR), a key enzyme catalyzing a rate-limiting step of dNTP production, to monitor the effect of altered dNTP levels on replication dynamics in budding yeast. We show that dNTP pools are limiting for normal DNA synthesis as upregulation of RNR activity increases replication fork speed. In contrast, inhibition of RNR activity with hydroxyurea (HU) induces a sharp transition from a regular- to a slow-replication mode within minutes after S-phase entry. Interestingly, we found that upregulation of RNR activity delays this transition and that dNTP levels modulate both fork speed and origin usage under replication stress. Moreover, we report that chromosomal instability (CIN) mutants show increased dNTP pools and enhanced DNA synthesis in the presence of HU. Since upregulation of RNR allows forks to progress faster in the presence of DNA lesions, we propose that CIN mutants adapt to chronic replication stress by upregulating dNTP pools.

2012-01-01 | GSE33686 | GEO

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