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RNA-seq of human U2OS cells depleted of NUAK1 by shRNA compared to control

ABSTRACT: RNA-seq of human U2OS cells depleted of NUAK1 by shRNA compared to control

PROVIDER: PRJEB23631 | ENA |

REPOSITORIES: ENA

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RNA-seq of human U2OS cells depleted of NUAK1 by shRNA compared to control

Project description:Aim: To determine the impact of NUAK1 depletion on the transcriptome of U2OS cells.

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Expression data of CHK1 shRNA knockdown and control shRNA in U2OS cells

Project description:Homologous recombination-mediated DNA repair deficiency (HRD) predisposes to cancer development, but also provides therapeutic opportunities. Here, we identified an HRD gene signature that robustly predicted HRD status. Unexpectedly, concurrent loss of PTEN in BRCA1-deficient cells might extensively rewire the HR repair network and confer resistance to PARP inhibitor, partially through over-expression of TTK. We used the HRD gene signature as a drug discovery tool and found several PARP-inhibitor-synergizing agents through the connectivity map. Thus gene expression profiling can be used to define the functional status of the HR repair network providing prognostic and therapeutic information. Various shRNAs that target genes involved in homologous recombination (HR) were transfected in MCF-10A non-transformed breast cells lines. Stable HR gene knockdown MCF-10A cells were seeded 200000 at 10 cm plate. Cells were harvested after 48 hours culturing and used for gene expression profiling. The shRNA that target CHK1 gene was transfected in human osteosarcoma U2OS cell line by lentiviral particles and selected stable CHK1 knockdown U2OS cells. Scrambled control shRNA-transfected U2OS cells were applying as control. Both stable CHK1 knockdown and control U2OS cells were seeded with 2 x 10^5 cells at 10 cm culture plate. Cells were cultured in McCOY 5A medium with 10% FBS and harvested after 48 hours culturing. mRNA was extracted from collected cells and performing gene expression profiling. Three biological replicates were applied.

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Genome wide analsis of the chromatin accessibility and gene expression in control and NUDT5 depleted U2OS cells

Project description:NUDT5 was reported to generate ATP to support local chromatin remodeling and transcription of hormone-responsive genes. Our research has found that NUDT5 is also required for DNA damage repair by homologous recombination. To investigate how NUDT5 regulates HR, we depleted NUDT5 in U2OS cells by siRNA and compared the transcriptome profiling (RNA-seq) of NUDT5 depleted cells with control cells to investigate whether NUDT5 regulate HR by altering the expression of essential components of the HR machinery. The results suggest that NUDT5 does not regulate HR by altering the expression of essential components of the HR machinery. To investigate whether NUDT5 contributes to chromatin remodeling after DNA damage, we compared the chromatin accessibility profiling (ATAC-seq) in NUDT5 depleted U2OS cells and control cells, either before or after ionizing radiation. The results suggest that NUDT5 silencing blocked most DNA damage-induced changes in chromatin accessibility following radiation exposure and implies that NUDT5 may support the activity of remodeling ATPases during damage repair.

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Genome wide analsis of the chromatin accessibility and gene expression in control and NUDT5 depleted U2OS cells [RNA-seq]

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Genome wide analsis of the chromatin accessibility and gene expression in control and NUDT5 depleted U2OS cells [ATAC-seq]

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Comparison of PPIL2 knockdown in HEK293T cells compared to scrambled shRNA control

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