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Gene expression analysis in the hippocampus of SUMO1 and SUMO2 transgenic mice

ABSTRACT: Transgenic mouse lines that express His6-SUMO1 and His6-SUMO2 under the control of the neuron specific Thy1.2 promoter were generated and characterized. The effect of increased levels of SUMO1 and -2 at the level of gene expression in the hippocampus was studied.

ORGANISM(S): Mus musculus

PROVIDER: GSE47951 | GEO | 2013/12/31

SECONDARY ACCESSION(S): PRJNA208440

REPOSITORIES: GEO

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Gene expression analysis in the hippocampus of SUMO1 and SUMO2 transgenic mice

Project description:Transgenic mouse lines that express His6-SUMO1 and His6-SUMO2 under the control of the neuron specific Thy1.2 promoter were generated and characterized. The effect of increased levels of SUMO1 and -2 at the level of gene expression in the hippocampus was studied. Pooled (left and right) hippocampi were dissected from adult littermate wild-type control (WT1) and SUMO1 and WT2 and SUMO2 transgenic animals (n=3) and subjected to RNA expression analysis.

2013-12-31 | E-GEOD-47951 | biostudies-arrayexpress

Transcriptomics analysis of SUMO1 and SUMO2 U2OS knockout (KO) cell lines

Project description:CRISPR-Cas9 was used to individually knock out SUMO1 and SUMO2 expression in U2OS cells. The transcriptomes of SUMO1 and SUMO2 knockout (KO) cell lines were analyzed using RNA-sequencing.

2021-12-07 | GSE163884 | GEO

SUMO and RNAPolII chromatin profiling in SUMOylation-competent and -deficient bone marrow derived dendritic cells unstimulated or stimulated with LPS

Project description:Purpose: To determine SUMO1 and SUMO2 chromatin profile in a static and dynamic manner in BMDC before and after LPS stimulation, and to determine RNAPolII chromatin occupancy in sumoylation-deficient BMDC compared to wild-type cells. Methods: SUMO1, SUMO2 and RNAPolII chromatin profiles were determined by sequencing BMDC chromatin immunoprecipitated with antibodies specific for SUMO1, SUMO2 and RNAPolII before and after LPS stimulation. Results: We show dynamic occupancy of three distal sites upstream of Ifnb1 gene by SUMO1 and SUMO2, as well as increased RNAPolII recruitment on selected genes. Conclusions: SUMO acts as a regulator of inflammatory and anti-viral gene programs.

2015-12-14 | GSE66315 | GEO

Effect of Sumo2 deletion on gene expression in the mouse brain

Project description:Mounting evidence indicates that small ubiquitin-like modifier (SUMO) conjugation regulates a wide range of neuronal functions and participates in learning and memory processes. Since many SUMO targets are transcription factors as well as other nuclear proteins modulating gene expression and SUMO2 is the predominant SUMO isoform, we aimed to identify how SUMO2 regualtes gene expression in the brain in order to better understand the role of SUMOylation in the brain fucntcion. In this study, we peformed RNA-Seq anaysis on hippocampus from SUMO2 conditional knockout mice.

2020-07-01 | GSE108196 | GEO

SUMO and RNAPolII chromatin profiling in SUMOylation-competent and -deficient bone marrow derived dendritic cells unstimulated or stimulated with LPS

2015-12-14 | E-GEOD-66315 | biostudies-arrayexpress

Transcriptomics analysis of SUMO1 and SUMO2 U2OS knockout (KO) cell lines

Project description:Transcriptomics analysis of SUMO1 and SUMO2 U2OS knockout (KO) cell lines

| PRJNA688071 | ENA

Mus musculus

Project description:Gene expression analysis in the hippocampus of SUMO1 and SUMO2 transgenic mice

| PRJNA208440 | ENA

SUMO2 ChIP-seq in U2OS cells

Project description:Chromatin immuno-precipitation using SUMO2 (Life Technologies) antibody in U2OS cell line.

2015-08-07 | E-MTAB-3084 | biostudies-arrayexpress

IP of endogenous SUMO2/3 in HEK293 cells

Project description:Aim of the experiments was to identify endogenously SUMO2/3 modified proteins in HEK293 cells. Cells were treated with dexamethasone (dex) or vehicle (etoh) and with heatshock (+43C, HS) or normal growth temperature (+37C, non-HS). Cells were induced with tetracycline to express BirA*-GR (glucocorticoid receptor) to express GR at sufficient levels to assess effect of GR activation on protein SUMOylation.

2021-01-11 | PXD017714 | Pride

Proteome-wide analysis of SUMO2 targets in response to pathological DNA replication stress in human cells

Project description:SUMOylation is a form of post-translational modification involving covalent attachment of SUMO (Small Ubiquitin-like Modifier) polypeptides to specific lysine residues in the target protein. In human cells, there are four SUMO proteins, SUMO1–4, with SUMO2 and SUMO3 forming a closely related subfamily. SUMO2/3, in contrast to SUMO1, are predominantly involved in the cellular response to certain stresses, including heat shock. Substantial evidence from studies in yeast has shown that SUMOylation plays an important role in the regulation of DNA replication and repair. Here, we report a proteomic analysis of proteins modified by SUMO2 in response to DNA replication stress in S phase in human cells. We have identified a panel of 22 SUMO2 targets with increased SUMOylation during DNA replication stress, many of which play key functions within the DNA replication machinery and/or in the cellular response to DNA damage. Interestingly, POLD3 was found modified most significantly in response to a low dose aphidicolin treatment protocol that promotes common fragile site (CFS) breakage. POLD3 is the human ortholog of POL32 in budding yeast, and has been shown to act during break-induced recombinational repair. We have also shown that deficiency of POLD3 leads to an increase in RPA-bound ssDNA when cells are under replication stress, suggesting that POLD3 plays a role in the cellular response to DNA replication stress. Considering that DNA replication stress is a source of genome instability, and that excessive replication stress is a hallmark of pre-neoplastic and tumor cells, our characterization of SUMO2 targets during a perturbed S-phase should provide a valuable resource for future functional studies in the fields of DNA metabolism and cancer biology.

2014-12-09 | PXD000716 | Pride

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