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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

A serial screen for roadblocks to reprogramming identifies the sumoylation effector protein Sumo2

Project description:The generation of induced pluripotent stem cells (iPSCs) from differentiated cells following forced expression of Oct4, Klf4, Sox2 and c-Myc (OKSM) is slow and inefficient, suggesting that transcription factors have to overcome somatic barriers that resist cell fate change. Here, we performed an ubiased serial shRNA enrichment screen to identify novel repressors of somatic cell reprogramming into iPSCs. This effort uncovered the sumoylation effector protein Sumo2 as one of the strongest roadblocks to iPSC formation. Depletion of Sumo2 both enhances and accelerates reprogramming, yielding transgene-independent, chimera-competent iPSCs after as little as 36 hours of OKSM expression. We further show that the Sumo2 pathway acts independently of exogenous c-Myc expression and in parallel with small molecule enhancers of reprogramming. Critically, suppression of SUMO2 also promotes the generation of human iPSCs. Together, our results reveal sumoylation as a crucial post-transcriptional mechanism that resists the acquisition of pluripotency from fibroblasts using defined factors. Microarray analysis was performed during reprogramming or of iPSC lines derived upon Sumo2 knockdown

2016-03-03 | GSE76699 | GEO

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