Identify genes which are differentially expressed in ?Cop1ß compared to control islets and are also signficantly rescued in ?Cop1? ?ETV1/4/5ß Overall design: Islets were harvested from 5 biological replicates of the followig genotypes: Control, ?Cop1ß and ?Cop1? ?ETV1/4/5ß. Islets were individually handpicked and total RNA was isolated and purified for library preperation and Next Generation Sequencing.
β-Cell Insulin Secretion Requires the Ubiquitin Ligase COP1.
No sample metadata fields
View SamplesMalignancies arising from mutation of tumor suppressor genes display an unexplained tissue proclivity. For example, tumor suppressor BAP1 encodes a ubiquitously expressed deubiquitinase for histone H2A but germline mutations predominantly cause uveal melanomas and mesotheliomas. We show that BAP1 inactivation causes apoptosis in mouse embryonic stem cells, fibroblasts, liver and pancreas, whereas melanocytes and mesothelial cells remain viable. E3 ligase RNF2, which silences genes by monoubiquitinating H2A, promoted apoptosis in BAP1-deficient cells by suppressing the pro-survival genes Bcl-2 and Mcl-1. Our data argue that BAP1 modulates gene expression by countering H2A ubiquitination, but its loss only promotes tumorigenesis in cells that do not engage an RNF2-dependent apoptotic program. We propose that intolerance of BAP1 loss, and perhaps the loss of other tumor suppressors, restricts the mutant tumor spectrum. Overall design: RNA was extracted from following genotypes - BAP1 wt (WT) and BAP1 knockout (BAP1 KO).
Intrinsic apoptosis shapes the tumor spectrum linked to inactivation of the deubiquitinase BAP1.
Specimen part, Subject
View SamplesDifferential gene expression analysis of oesophageal cells stimulated with a low pH environment. Study designed to identify pathways involved in progression of gastro-oesophageal reflux disease through Barrett's oesophagus to adenocarcinoma. Identified many subsets of genes with involvement in pathogenesis.
Low pH induces co-ordinate regulation of gene expression in oesophageal cells.
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View SamplesThis SuperSeries is composed of the SubSeries listed below.
An integrative genomic approach in oesophageal cells identifies TRB3 as a bile acid responsive gene, downregulated in Barrett's oesophagus, which regulates NF-kappaB activation and cytokine levels.
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View SamplesExpression profiling of 3T3-F442A adipocytes treated with growth hormone (GH, 500 nM) or vehicle (DMEM + 1% BSA) control for 30 min., 4 hr., or 48 hr in three independent experiments. Chronic GH treatment induces metabolic changes consistent with insulin resistance in 3T3-F442A adipocytes.
Profiles of growth hormone (GH)-regulated genes reveal time-dependent responses and identify a mechanism for regulation of activating transcription factor 3 by GH.
No sample metadata fields
View SamplesThe involvment of bile acids such as deoxycholic acid (DCA) in gastro-esophageal reflux disease and subsequent Barretts metaplsia has been postulated. This study examines gene expression induced by exposure to DCA in esophageal cells and may be utilised in cross-comparisons with data derived from gene expression studies of Barretts esophagus and associated adenocarcinoma.
An integrative genomic approach in oesophageal cells identifies TRB3 as a bile acid responsive gene, downregulated in Barrett's oesophagus, which regulates NF-kappaB activation and cytokine levels.
No sample metadata fields
View SamplesThe involvment of bile acids such as deoxycholic acid (DCA) in gastro-esophageal reflux disease and subsequent Barretts metaplsia has been postulated. This study examines gene expression induced by exposure to DCA in esophageal cells and may be utilised in cross-comparisions with data derived from gene expression studies of Barretts esophagus and associated adenocarcinoma. Additionally this study may be used to assess divergence in response to bile acids by comparisons with similar study performed in SKGT4 barrett''s assocaited adenocarcinoma cell line.
An integrative genomic approach in oesophageal cells identifies TRB3 as a bile acid responsive gene, downregulated in Barrett's oesophagus, which regulates NF-kappaB activation and cytokine levels.
No sample metadata fields
View SamplesThis SuperSeries is composed of the SubSeries listed below.
Tribbles 3: a novel regulator of TLR2-mediated signaling in response to Helicobacter pylori lipopolysaccharide.
Specimen part, Cell line
View SamplesThis study set out to identify global changes in gene expression in human embryonic kidney (HEK) cells stably transfected with Toll-like receptor 2 (TLR2) over a 48 hour time-course, following stimulation with 10 g/ml lipopolysaccharide (LPS) from the gastric pathogen H. pylori.
Tribbles 3: a novel regulator of TLR2-mediated signaling in response to Helicobacter pylori lipopolysaccharide.
Specimen part
View SamplesUsing our computational method SynGeNet to evaluate genomic and transcriptomic data characterizing four major genomic subtypes of melanoma, we selected the top ranked drug combination for BRAF-mutation melanoma for subsequent validaiton. Here we present drug-induced gene expression data from the BRAF-mutant A375 melanoma cell line in response to four treatment conditions: vehicle control (DMSO), vemurafenib alone, tretinoin (ATRA) alone and vemurafenib+tretinoin combination. Overall design: Gene expression profiles of A375 melanoma cells were generated by RNAseq (Illumina HiSeq 4000) under the following treatment conditions: vehicle control (DMSO), vemurafenib, tretinoin and vemurafenib + tretinoin combination.
Synergy from gene expression and network mining (SynGeNet) method predicts synergistic drug combinations for diverse melanoma genomic subtypes.
Specimen part, Subject
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