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GSE23604
Homo sapiens
21 Downloadable Samples
Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)
Description
Extracorporeal photochemotherapy (ECP) is widely used to treat cutaneous T cell lymphoma, graft versus host disease and allografted organ rejection. Its clinical and experimental efficacy in both cancer immunotherapy and autoreactive disorders suggests a novel mechanism. This study reveals that ECP induces a high percentage of processed monocytes to enter the dendritic antigen presenting cell (DC) differentiation pathway, as determined by expression of relevant genes. The resulting DC are capable of processing and presentation of exogenous antigen and are largely maturationally synchronized, as assessed by the level of expression of co-stimulatory surface molecules. Principal component analysis of the ECP-induced monocyte transcriptome indicates that activation or suppression of more than 3500 genes produces a reproducible distinctive molecular signature. Pathway analysis suggests that DC maturation may be triggered by transient adherence of passaged monocytes to plasma proteins coating the ECP plastic ultraviolet exposure plate. Co-incubation with lymphocytes, simultaneously induced by ECP to undergo apoptosis, may accelerate conversion of monocytes to DC. The efficiency with which ECP induces new functional DC supports the possibility that these cells participate prominently in the clinical successes of the treatment. ECP may offer a practical source of DC for use in a spectrum of immunotherapeutic trials.
Publication Title
Rapid generation of maturationally synchronized human dendritic cells: contribution to the clinical efficacy of extracorporeal photochemotherapy.
Sample Metadata Fields
Disease, Disease stage
View Samples- Rattus norvegicus
- 15 Downloadable Samples
- Affymetrix Rat Genome 230 2.0 Array (rat2302)
Description
Pregnancy has been shown to decrease the risk of mammary carcinogenesis in human rretrospective epidemiological studies. In rodents, pregnancy prior to carcinogen administration or after carcinogen challenge has also been shown to reduce the incidence of palpable carcinomas. In this study our objective to determine the underlying genomic signature of the pregnancy and reproductive hormones on the mammary gland that contribute to the protection against mammary gland carcinogenesis.
Publication Title
Mammary gland morphological and gene expression changes underlying pregnancy protection of breast cancer tumorigenesis.
Sample Metadata Fields
Sex, Age, Specimen part
View Samples- Rattus norvegicus
- 11 Downloadable Samples
- Affymetrix Rat Genome U34 Array (rgu34a)
Description
Comparison of rat freshly-isolated alveolar epithelial type I cells, freshly-isolated type II cells, and type II cells cultured for 7 days
Publication Title
Freshly isolated rat alveolar type I cells, type II cells, and cultured type II cells have distinct molecular phenotypes.
Sample Metadata Fields
No sample metadata fields
View Samples- Homo sapiens
- 120 Downloadable Samples
- Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)
Description
Motivation: Identification of eQTL, the genetic loci that contribute to heritable variation in gene expression, can be obstructed by factors that produce variation in expression profiles if these factors are unmeasured or hidden from direct analysis.
Publication Title
HEFT: eQTL analysis of many thousands of expressed genes while simultaneously controlling for hidden factors.
Sample Metadata Fields
Disease, Race
View Samples- Rattus norvegicus
- 12 Downloadable Samples
- Affymetrix Rat Gene 1.1 ST Array (ragene11st)
Description
Cardiac hypertrophy is associated with growth and functional changes of cardiomyocytes,including mitochondrial alterations, but the latter are still poorly understood. Here we investigated mitochondrial function and dynamic localization in neonatal rat ventricular cardiomyocytes (NRVCs) stimulated with insulin like growth factor 1 (IGF1) or phenylephrine (PE), mimicking physiological and pathological hypertrophic responses,respectively.
Publication Title
Hypertrophy induced KIF5B controls mitochondrial localization and function in neonatal rat cardiomyocytes.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 4 Downloadable Samples
Illumina HiSeq 2000
Description
Islets are known to respond to changes in ambient glucose. To quantify the transcriptome-wide changes in ambient glucose, we compared transcriptome of islets exposed to low and high glucose. Overall design: Isolated islets from wild type male mice. Islets from adult males were pooled, cultured overnight in RPMI containing 11 mM glucose. The next day, all islets were starved in RPMI containing 2.8 mM glucose for 2 hours before stimulation with 2.8 mM glucose or 16.8 mM glucose for 12 hours. Islets were lysed in Trizol for RNA isolation and library construction.
Publication Title
The transcriptional landscape of mouse beta cells compared to human beta cells reveals notable species differences in long non-coding RNA and protein-coding gene expression.
Sample Metadata Fields
No sample metadata fields
View Samples- Rattus norvegicus
- 6 Downloadable Samples
- Affymetrix Rat Expression 230A Array (rae230a)
Description
The Dahl salt-sensitive (S) rat model develops chronic hypertensive disease when fed a high salt diet that ultimately results in renal and heart failure, as well as prevalent cerebrovascular pathologies. Phenotypic changes in the cerebral vasculature are preceded by changes in gene expression, and evidence supports a role for extracellular signal-regulated kinase 1/2 (ERK1/2) in vascular cell proliferation, yet little is known regarding ERK1/2 regulated gene transcription in cerebrovascular smooth muscle during hypertension. Findings presented here support the hypothesis that salt-induced hypertensive disease results in upregulation of ERK1/2 activity and ERK1/2-regulated genes that promote remodeling in cerebral resistance arteries. Dahl S rats were fed either a 0.4% NaCl (low salt, LS) or 8% NaCl (high salt, HS) diet until evidence of left ventricular dysfunction. Gene expression profiling using oligonucleotide array analysis detected a significant fold-change of 1.5 or greater in 133 out of 15,923 genes examined. Mitogen-activated protein kinase (MAPK)-regulated genes were overrepresented and provided a link to genes involved in proliferation and extracellular matrix signaling including plasminogen activator inhibitor I (PAI-1), osteopontin (OPN) and junB. These data suggests that salt induced hypertensive disease promotes hyperplasia and changes in matricellular genes that are likely important in vascular remodeling.
Publication Title
Genes overexpressed in cerebral arteries following salt-induced hypertensive disease are regulated by angiotensin II, JunB, and CREB.
Sample Metadata Fields
Specimen part
View Samples- Homo sapiens
- 304 Downloadable Samples
- Affymetrix Genome-Wide Human SNP 6.0 Array (genomewidesnp6), Affymetrix Human Transcriptome Array 2.0 (hta20)
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
Common Molecular Subtypes Among Asian Hepatocellular Carcinoma and Cholangiocarcinoma.
Sample Metadata Fields
Specimen part, Disease, Disease stage, Subject
View Samples- Homo sapiens
- 304 Downloadable Samples
- Affymetrix Human Transcriptome Array 2.0 (hta20)
Description
We used Affymetrix HTA2.0 microarray profiling to analyze gene expression patterns in tumor and paired non-tumor tissue of HCC and CCA patients.
Publication Title
Common Molecular Subtypes Among Asian Hepatocellular Carcinoma and Cholangiocarcinoma.
Sample Metadata Fields
Specimen part, Disease, Disease stage, Subject
View Samples- Homo sapiens
- 66 Downloadable Samples
- Affymetrix Human Genome U133A 2.0 Array (hgu133a2)
Description
The molecular basis of breast cancer invasion and metastasis is not well understood. Our objective was to analyze transcriptome differences between stromal and epithelial cells in normal breast tissue and invasive breast cancer to define the role stroma plays in invasion. Total RNA was isolated from epithelial and stromal cells that were laser captured from normal breast tissue (n=5) and invasive breast cancer (n=28). Gene expression was measured using Affymetrix U133A 2.0 GeneChips. Differential gene expression was evaluated and compared within a model that accounted for cell type (epithelial [E] versus stromal [S]), diagnosis (cancer [C] versus normal [N]) as well as cell type-diagnosis interactions. Compared to NE, the CE transcriptome was highly enriched with genes in proliferative, motility and ECM ontologies. Differences in CS and NS transcriptomes suggested that the ECM was being remodeled in invasive breast cancer, as genes were over-represented in ECM and proteolysis ontologies. Genes more highly expressed in CS compared to CE were primarily ECM components or were involved in the remodeling of ECM, suggesting that ECM biosynthesis and remodeling were initiated in the tumor stromal compartment.
Publication Title
Molecular signatures suggest a major role for stromal cells in development of invasive breast cancer.
Sample Metadata Fields
No sample metadata fields
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