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Genome-wide cardiac gene expression analysis of mice with cardiomyocyte-specific deletion of Dnmt3a and Dnmt3b

ABSTRACT: Cardiomyocyte-specific double knockout (DKO) mice lacking the catalytic domains of Dnmt3a (exon 18) and Dnmt3b (exon 19) were obtained by mating Dnmt3aflox and Dnmt3bflox mice [PMID 15757890] with mice expressing a cre recombinase under control of the cardiac atrial myosin light chain promoter (Myl7) [11689889]. Mice with the genotype Dnmt3aflox/flox, Dnmt3bflox/flox without expressing cre recombinase were used as control mice (CTL). Transcriptome analyses identified upregulation of 44 and downregulation of 9 genes in DKO as compared with control sham mice. TAC mice showed similar changes with substantial overlap of regulated genes compared to sham.

ORGANISM(S): Mus musculus

PROVIDER: GSE68518 | GEO | 2015/06/30

SECONDARY ACCESSION(S): PRJNA282965

REPOSITORIES: GEO

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Genome-wide cardiac gene expression analysis of mice with cardiomyocyte-specific deletion of Dnmt3a and Dnmt3b

Project description:Cardiomyocyte-specific double knockout (DKO) mice lacking the catalytic domains of Dnmt3a (exon 18) and Dnmt3b (exon 19) were obtained by mating Dnmt3aflox and Dnmt3bflox mice [PMID 15757890] with mice expressing a cre recombinase under control of the cardiac atrial myosin light chain promoter (Myl7) [11689889]. Mice with the genotype Dnmt3aflox/flox, Dnmt3bflox/flox without expressing cre recombinase were used as control mice (CTL). Transcriptome analyses identified upregulation of 44 and downregulation of 9 genes in DKO as compared with control sham mice. TAC mice showed similar changes with substantial overlap of regulated genes compared to sham. Cardiac tissue from sham CTL (n=4) and DKO mice (n=4) as well as TAC-operated CTL (n=6) and DKO mice (n=6) was analysed.

2015-06-30 | E-GEOD-68518 | biostudies-arrayexpress

Heterozygous and Homozygous Knock-Out of USP7 mouse models [mouse_RNA-seq]

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2023-04-24 | PXD037013 | JPOST Repository

Loss of Cic leads to aberrant neural stem cell proliferation and differentiation and promotes gliomagenesis

Project description:Mouse neural stem cells were generated from conditional knockout mice (Cicflox/flox) or the wild trype control mice (Cic+/+). Cic is conditionally knocked out following expression of Cre-recombinase. Cre-recombinase was incorporated in vitro via adenoviral-Cre transduction.

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Effect of the combined loss of tomosyn (STXBP5) and tomosyn-2 (STXBP5L) on the proteome of primary mouse hippocampal neurons

Project description:Tomosyn (STXBP5) is a non-canonical SNARE protein enriched in many secretory cells and implicated in regulation of exocytosis. In neurons, loss of tomosyn affects fusion of synaptic vesicles. Here, we examined the impact of the loss of tomosyn (STXBP5) and its close paralog, tomosyn-2 (STXBP5L), on the proteome of primary mouse hippocampal neurons. To do this, we used a mouse model carrying floxed alleles of Stxbp5 and Stxbp5l genes. Primary hippocampal neurons isolated from these mice were transduced with Cre-recombinase, which expression resulted in a nearly complete loss of the two genes expression. As control, we used neurons from the same culture preparation but expressing Cre-recombinase lacking DNA-binding domain (ΔCre). This dataset provides the comparison of proteome of control ('WT') and Stxbp5/5l double knockout ('DKO') neurons.

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Impact of IRP deficiency on the proteome of Ly6G+ cells from the bone marrow in mice

Project description:The overall objective of the project is to evaluate the effects of loss of function of iron regulatory proteins (IRP1, encoded by Aco1)-1 and -2 (IRP2, encoded by Ireb2) during adult life. Mice carrying floxed Aco1 and Ireb2 alleles were crossed to a knockin strain expressing a tamoxifen-inducible CRE recombinase under the control of the Rosa26 promoter. The resulting Aco1flox/flox,Ireb2flox/flox,Rosa26+/CreERT2 mice are designated P1/2-KO; littermates lacking the CreER sequence (Aco1flox/flox,Ireb2flox/flox,Rosa26+/+) serve as reference and are designated P1/2-CTR. Adult mice were injected (i.p.) with tamoxifen on day 1 and day 3 to ablate the IRPs in the whole body, and were sacrificed on day 10 for analysis. Bone marrow cells were collected and LY6G+ cells were magnetically sorted for proteome analysis by LC-MS/MS using an Ultimate 3000 UPLC system connected to an Orbitrap Exploris 480 mass spectrometer.

2023-03-11 | PXD032077 | Pride

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Project description:We performed proteomic analyses on the kidneys of Tmod1 flox/flox/Ksp-Cre- (TF) and Tmod1 flox/flox/Ksp-Cre+ (TFK) mice.

2019-06-10 | MSV000083953 | MassIVE

Comparison of gene expression signatures between Cre- KTC organoid organoid and Cre+ KTC organoid

Project description:To identify downstream genes involved in cholangiocarcinoma development by genetic manipulations of Kras, TGFbR2, and CDH1, we cultured the biliary organoid from the extrahepatic bile duct of Cre-negative LSL-KrasG12D;Tgfbr2flox/flox;CDH1flox/flox (KTC) mice, and induced gene recombination using a lentivirus expressing Cre-recombinase (Cre+ KTC organoid) or control lentivirus (Cre- KTC organoid). Then, we compared gene expression signatures between Cre- KTC organoid organoid and Cre+ KTC organoid.

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Expression data from control and LRF (leukemia/lymphoma related factor)-deficient mouse LT-HSCs

Project description:LRF, which is encoded by the ZBTB7A gene and formerly known as POKEMON (POK erythroid myeloid ontogenic factor), was originally identified as a PLZF (promyelocytic leukemia zinc finger) homologue interacting with BCL6 (B-cell lymphoma 6). LRF is a transcription factor that is broadly expressed in hematopoietic lineage cells, but its expression is particularly high in erythroblasts and germinal center (GC) B-cells. The goal of this study is to assess the effect of LRF loss on the LT-HSC transcriptome. Nine days after injection of adult mice with polyinosinic polycytidylic acid (pIpc) to activate Cre, total RNAs were isolated from double-sorted LT-HSCs from LRF Flox/+ Mx1-Cre+ and LRF Flox/Flox Mx1-Cre+ mice and processed for microarray analysis. We performed gene expression microarray analysis of FACS-sorted LT-HSCs (LSK IL7Ra-Flt3-CD150+CD48-) to assess the effect of Lrf loss on the LT-HSC transcriptome. Zbtb7a Flox/+ Mx1-Cre+ mice were used as a control to normalize the potential effects of Cre recombinase. LT-HSCs were FACS-sorted from three Lrf knockout (Zbtb7a Flox/Flox Mx1-Cre+) and two control (Zbtb7a Flox/+ Mx1-Cre+) mice, nine days after the first pIpC injection.

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Shp-deletion induces dissociation of steatosis and inflammation in NASH

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2019-12-10 | GSE133566 | GEO

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