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Global mRNA expression profiling of murine primary PDAC cells following JQ1 or SAHA monotherapy as well as JQ1-SAHA combination therapy

ABSTRACT: Global mRNA expression profiles of murine primary PDAC cells following JQ1 or SAHA monotherapy as well as JQ1-SAHA combination therapy were collected using Affymetix mouse whole genome array (Mouse Genome 430A 2.0 Array) . Primary PDAC cells isolated from Ptf1aCre/+;Kras+/LSL-G12D;p53lox/lox (Kras;p53) mice were treated either with JQ1 (100 nM) or SAHA (2000 nM) or vehicle 10% (2-Hydroxypropyl)-β-cyclodextrin (Sigma-Aldrich) or as combination therapy with the indicated dosage for monotherapy. Total RNA isolation was performed after 6 hours of treatment. Primary PDAC cells from Ptf1aCre/+;Kras+/LSL-G12D;p53lox/lox (Kras;p53) mice treated either with JQ1, SAHA, vehicle or JQ1-SAHA combination were analyzed by global gene expression analysis.

ORGANISM(S): Mus musculus

SUBMITTER: Jens Siveke

PROVIDER: E-GEOD-64836 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Global mRNA expression profiling of murine primary PDAC cells following JQ1 or SAHA monotherapy as well as JQ1-SAHA combination therapy

Project description:Global mRNA expression profiles of murine primary PDAC cells following JQ1 or SAHA monotherapy as well as JQ1-SAHA combination therapy were collected using Affymetix mouse whole genome array (Mouse Genome 430A 2.0 Array) . Primary PDAC cells isolated from Ptf1aCre/+;Kras+/LSL-G12D;p53lox/lox (Kras;p53) mice were treated either with JQ1 (100 nM) or SAHA (2000 nM) or vehicle 10% (2-Hydroxypropyl)-β-cyclodextrin (Sigma-Aldrich) or as combination therapy with the indicated dosage for monotherapy. Total RNA isolation was performed after 6 hours of treatment.

2015-09-20 | GSE64836 | GEO

Global mRNA expression profiling of patient derived pancreatic carcinoma xenograft Bo63 following JQ1-SAHA combination therapy

Project description:Global mRNA expression profiling of patient derived pancreatic carcinoma xenograft Bo63 were collected using Agilent human whole genome array (G4845A AMADID 026652, cRNA 4x44k V2) . Two different sources of RNA were analyzed: 1.) Bo63 xenograft tumors grown on nude mice treated with vehicle only as control. 2.) Bo63 xenograft tumor grown on nude mice treated with JQ1 and SAHA (SAHA 25 mg/kg 1-0-0 and JQ1 50 mg/kg 0-0-1, treatment was imitated when tumor size reached 200 mm³ +/- 20 mm³. Two conditions (vehicle vs JQ1-SAHA treatment), each condition is represented by 3-4 biological replicates

2015-09-20 | E-GEOD-64837 | biostudies-arrayexpress

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

SAHA, VPA and JQ1 treatment in ISOS-1

Project description:ISOS-1, a mouse angiosarcoma cell line, was treated with histone deacetyltransferase inhibitors (HDACI: SAHA and VPA) and a bromodomain and extraterminal domain inhibitor (BETi: JQ1).

2022-05-10 | GSE200106 | GEO

RNA-SEQ analysis of KMC murine pancreatic ductal adenocarcinoma (PDAC) cell line upon siRNA depletion of MYC, KRas or Miz1 (aka Zbtb17)

Project description:MYC is varyingly thought to either complement KRAS or to act as a downstream KRAS effector - here we compared the transcriptomic impact of MYC depletion with that of KRas depletion in a cell line derived from PDAC driven by lsl-KRas^G12D + Rosa26-lsl-MYC^DM. A second question addressed related to the mechanism of MYC-dependent transcriptional repression, which in many instances requires MYC binding to Miz1. We therefore included analysis of Miz1-depleted KMC cells in this experiment

2020-03-16 | E-MTAB-8792 | 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

SAHA, VPA and JQ1 treatment in ISOS-1

Project description:SAHA, VPA and JQ1 treatment in ISOS-1

| PRJNA823003 | ENA

Global mRNA expression profiling of patient derived pancreatic carcinoma xenograft Bo63 following JQ1-SAHA combination therapy

2015-09-20 | GSE64837 | GEO

An integrated systems biology approach reveals positive and negative effects of suberoylanilide hydroxamic acid (SAHA) on HIV reactivation from latency

Project description:Suberoylanilide hydroxamic acid (SAHA) has been assessed in clinical trials as part of a “shock and kill” strategy to cure HIV-infected patients. While it was effective at inducing expression of HIV RNA "shock" , treatment with SAHA did not result in the reduction of reservoir size "kill". We therefore utilized a systems biology approach to dissect the mechanisms of action of SAHA that may explain its limited success in “shock and kill” strategies. CD4+ T cells from HIV seronegative donors were treated with 1 uM SAHA or its solvent dimethyl sulfoxide for 24 hours. Differential protein expression and post-translational modification was measured with two-dimensional liquid chromatography - tandem mass spectrometry iTRAQ proteomics. Gene expression changes were assessed by Illumina microarrays. Using limma package in the R computing environment, we identified 185 proteins, 18 phosphorylated forms, 4 acetylated forms and 2,982 genes, whose expression was modulated by SAHA. A protein interaction network integrating these 4 data types identified the transcriptional regulator HMGA1 to be upregulated by SAHA at the transcript, protein and acetylated protein levels. HMGA1 has been shown to repress HIV transcription, which is not optimal with respect to a shock and kill strategy. Further functional category assessment of proteins and genes modulated by SAHA identified gene ontology terms related to NFB signaling, protein folding and autophagy, which are all relevant to HIV reactivation. In summary, this study identified a number of host factors that may be therapeutically targeted to achieve more potent HIV reactivation in the “shock and kill” treatment, when using SAHA, either through modification of SAHA itself or through combination with other latency reversing agents. Finally, proteome profiling highlighted a number of potential adverse effects of SAHA, which transcriptome profiling alone would not have identified.

2015-09-10 | PXD002150 | Pride

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

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