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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Expression profiling of Notch constitutive activation in the liver of mice

ABSTRACT: Notch intracellular domain (NICD) is the active form of the Notch receptor. In this mouse model, NICD is inserted in the Rosa26 locus downstream of a loxP-STOP-LoxP (lsl) sequence and therefore NICD expression is dependant on Cre recombinase expression (Mono transgenic control Rosa26-lsl-NICD) . These mice are crossed with the AFP-Cre strain that expresses Cre in hepatoblasts due to its regulation by the AFP promoter and albumin enhancer (Double transgenic mutant AFP-Cre/Rosa26-lsl-NICD). Newborn mice at day 0 and day 2 are sacrificed and liver RNA samples from control monotransgenic Rosa26-lsl-NICD and from bitransgenic AFP-Cre/Rosa26-lsl-NICD (AFP-NICD) are obtained. Whole genome expression profiling of these samples is submitted. Five liver samples from Control mice and six liver samples from Mutant mice are analyzed using the Agilent Whole Mouse Genome Oligo Microarray G4122A platform. Array data was preprocessed and analyzed using GenePattern software and R.

ORGANISM(S): Mus musculus

SUBMITTER: Clara Alsinet

PROVIDER: E-GEOD-33560 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Expression profiling of Notch constitutive activation in the liver of mice

Project description:Notch intracellular domain (NICD) is the active form of the Notch receptor. In this mouse model, NICD is inserted in the Rosa26 locus downstream of a loxP-STOP-LoxP (lsl) sequence and therefore NICD expression is dependant on Cre recombinase expression (Mono transgenic control Rosa26-lsl-NICD) . These mice are crossed with the AFP-Cre strain that expresses Cre in hepatoblasts due to its regulation by the AFP promoter and albumin enhancer (Double transgenic mutant AFP-Cre/Rosa26-lsl-NICD). Newborn mice at day 0 and day 2 are sacrificed and liver RNA samples from control monotransgenic Rosa26-lsl-NICD and from bitransgenic AFP-Cre/Rosa26-lsl-NICD (AFP-NICD) are obtained. Whole genome expression profiling of these samples is submitted.

2012-12-01 | GSE33560 | GEO

Expression profiling of Notch constitutive activation induced HCC in mice

Project description:Notch intracellular domain (NICD) is the active form of the Notch receptor. In this mouse model, NICD is inserted in the Rosa26 locus downstream of a loxP-STOP-LoxP (lsl) sequence and therefore NICD expression is dependant on Cre recombinase expression. These mice are crossed with the AFP-Cre strain that expresses Cre in hepatoblasts due to its regulation by the AFP promoter and albumin enhancer. Mice from 6 to 12 months are sacrificed and liver RNA samples from control monotransgenic Rosa26-lsl-NICD and confirmed HCC lesions from bitransgenic AFP-Cre/Rosa26-lsl-NICD (AFP-NICD) are obtained. Exon expression profiling of these samples are submitted.

2012-12-01 | GSE33486 | GEO

Expression profiling of Notch constitutive activation induced HCC in mice

Project description:Notch intracellular domain (NICD) is the active form of the Notch receptor. In this mouse model, NICD is inserted in the Rosa26 locus downstream of a loxP-STOP-LoxP (lsl) sequence and therefore NICD expression is dependant on Cre recombinase expression. These mice are crossed with the AFP-Cre strain that expresses Cre in hepatoblasts due to its regulation by the AFP promoter and albumin enhancer. Mice from 6 to 12 months are sacrificed and liver RNA samples from control monotransgenic Rosa26-lsl-NICD and confirmed HCC lesions from bitransgenic AFP-Cre/Rosa26-lsl-NICD (AFP-NICD) are obtained. Exon expression profiling of these samples are submitted. Four liver samples from monotransgenic mice (control) and five hepatocellular carcinoma samples from bitransgenic mice are analyzed using the Affymetrix GeneChip Mouse Gene 1.0 ST Array platform. Array data was preprocessed and analyzed using GenePattern software and R.

2012-12-01 | E-GEOD-33486 | biostudies-arrayexpress

mRNA-seq of Myc and Yap1-activated mouse lung tumors and controls

Project description:mRNA-seq for expression profiling of Myc and Yap1 activated mouse lung tumors and controls. 4 cohorts of lung tumors induced through nasal instillation of Cre/sgRNA(MS2)-encoding lentivirus in mice carrying conditional P53 loss (P53 F/F), oncogenic Kras (Kras LSL-G12D/+), and CRISPRa/SAM construct (Rosa26(LSL-SAM) or YFP reporter (Rosa26(LSL-YFP): 4 P53(L/L), Kras(LSL-G12D/+), Rosa26(LSL-SAM) / lenti(CMV-Cre/U6-sgRNA(Myc) (PPKS/M); 4 P53(L/L), Kras(LSL-G12D/+), Rosa26(LSL-SAM) / lenti(CMV-Cre/U6-sgRNA(Yap1) (PPKS/Y); 4 P53(L/L), Kras(LSL-G12D/+), Rosa26(LSL-SAM) / lenti(CMV-Cre/U6-sgRNA(non-targeted) (PPKS/NT); 4 P53(L/L), Kras(LSL-G12D/+), Rosa26(LSL-YFP) / lenti(CMV-Cre/U6-sgRNA(non-targeted) (PPKY/NT)

2022-08-30 | E-MTAB-11122 | biostudies-arrayexpress

Atp4b-Cre;Cdh1(fl/fl);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP) mouse stomach vs. Atp4b-Cre;Cdh1(fl/+);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP) mouse stomach microarray

Project description:We wished to investigate the role of E-cadherin loss in our mouse parietal cell/pre-parietal cell E-cadherin knock-out, p53 knock-out, oncogenic Kras induced model of gastric cancer. As such, we isolated RNA from stomach tissue from our E-cadherin knock-out model (Atp4b-Cre;Cdh1(fl/fl);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP)) and our E-cadherin heterozygous model (Atp4b-Cre;Cdh1(fl/+);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP)). We then performed a microarray on this stomach tissue from four independent mice of each genotype. Differentially expressed genes were identified and gene set overlap analysis was used to identify pathways enriched in one model over the other.

2018-05-01 | E-MTAB-5833 | biostudies-arrayexpress

Sexually Dimorphic Increases in Bone Mass Following Tissue-specific Overexpression of Runx1 in Osteoclast Precursors

Project description:We investigated the skeletal effects of conditional overexpression of Runx1 in preosteoclasts by crossing novel Runx1 gain-of-function mice (Rosa26-LSL-Runx1) with LysM-Cre transgenic mice.

2022-10-24 | GSE216312 | GEO

HIF-1α activation is sufficient for the development of MDS

Project description:Hypoxia inducible factor-1α (HIF-1α) is a critical transcription factor for the hypoxic response, angiogenesis, normal hematopoietic stem cell regulation, and cancer development. Importantly, HIF-1α is also a key regulator for immune cell activation. In order to determine whether HIF-1α is sufficient for developing MDS phenotypes, we generated blood specific inducible HIF-1α transgenic mice. Using Vav1-Cre/Rosa26-loxP-Stop-loxP (LSL) rtTA driver, stable HIF-1α can be induced in a doxycycline administration dependent manner. After induction, HIF-1α-induced mice developed thrombocytopenia, leukocytopenia, macrocytic anemia, and multi-lineage dysplasia. We also found activation of both innate and adaptive immunity in HIF-1α- induced mice compared to those from control mice. Taken together, these data suggest that HIF-1α is sufficient to trigger a variety of key MDS features

2018-12-25 | GSE83988 | GEO

Effect of MYC expression on mouse PyMT tumor

Project description:S100a8-cre driven expression of Rosa26-LSL-MYC in mouse PyMT cancer cells

2023-04-24 | GSE230244 | GEO

Gene expression profiling of osterix-derived cells from control and PTH1R knockout mice in osteoprogenitors

Project description:We used Osx-Cre:GFP / ROSA26-loxP-stop-loxP-tdTomato mice with or without PTH1Rfl/fl. Bone marrow and bone were digested to make single cell suspension, and sorted by fluorescence. Bulk cell RNA sequencing were performed to identify specific transcripts from osterix-derived cells.

2022-04-27 | GSE185944 | GEO

RNA-SEQ analysis of pancreatic ductal adenocarcinoma tumours in Pdx1-Cre;lsl-KRas[G12D] (KC), Pdx1-Cre;lsl-KRas[G12D];Rosa26-lsl-MYC[DM] (KMC), Pdx1-Cre;lsl-KRas[G12D];Rosa26-lsl-MYC[DM];c-Myc[fl/+] (KMC-Mycfl/+), and Pdx1-Cre;lsl-KRas[G12D];Rosa26-lsl-MYC[DM];Zbtb17[fl/fl] mice (KMC-Miz1fl/fl)

Project description:Activation of endogenously expressed KRas[G12D] in the pancreas of mice gives rise primarily to early stage PanIN lesions, however such lesions can occasionally progress to end-stage ductal adenocarcinoma (PDAC). Progression of KRas[G12D]- initiated lesions to PDAC is accelerated by modest expression of MYC from the Rosa26 locus. Deletion of 1 copy of endogenous c-Myc or both copies of endogenous Zbtb17 (aka Miz1), slows progression to PDAC and extends healthful survival of Pdx1-Cre;lsl-KRas[G12D];Rosa26-lsl-MYC[DM] (KMC) mice. Tumours were removed from mice with all 4 genotypes and validated by histological examination prior to RNA-SEQ analysis.

2020-03-16 | E-MTAB-8797 | biostudies-arrayexpress

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