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accession-icon GSE42331
Gene expression data from whole blood of Klinefelter Syndrome patients compared to male and female controls
  • organism-icon Homo sapiens
  • sample-icon 64 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Gene 1.0 ST Array (hugene10st)

Description

Patients with Klinefelter Syndrome have the karyotype 47,XXY. These men are suffering from hypergonadotropic hypogonadism and are infertile. It is debated whether the different hormonal constitution observed in these patients or different gene expression

Publication Title

Gene expression patterns in relation to the clinical phenotype in Klinefelter syndrome.

Sample Metadata Fields

Sex, Specimen part

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accession-icon GSE84463
Expression microarray analysis of RHOXF1 and RHOXF2 transfected HEK293 cells
  • organism-icon Homo sapiens
  • sample-icon 18 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Gene 1.0 ST Array (hugene10st)

Description

The X-linked reproductive homeobox (RHOX) gene cluster encodes transcription factors displaying preferential expression in reproductive tissues. They have important roles in human male fertility based on phenotypic defects of Rhox-mutant mice and the finding that aberrant RHOX promoter methylation is strongly associated with abnormal human sperm parameters. The aim of this study was to analyze the molecular mechanism of RHOX action in humans. Using genome-wide analysis, we investigated the identity of genes regulated by the known human RHOX transcription factors: RHOXF1 and RHOXF2/2B. HEK293 cells were transiently transfected with either RHOX expression (RHOXF1; RHOXF2) or an empty control vector. Afterwards, differently expressed genes were identified by microarray analysis after 24h and 48h of transfection. Thereby we could identify genes that are differently regulated in response to RHOX overexpression.

Publication Title

No associated publication

Sample Metadata Fields

Cell line

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accession-icon GSE63662
GM-CSF induced gene-regulation in human monocytes
  • organism-icon Homo sapiens
  • sample-icon 5 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)

Description

Human and murine studies showed that granulocyte macrophage colony-stimulating factor (GM-CSF) exerts beneficial effects in intestinal inflammation. To explore whether GM-CSF mediates its effects via monocytes, we analyzed effects of GM-CSF on monocytes in vitro and assessed the immunomodulatory potential of GM-CSF-activated monocytes (GMaM). We used microarray technology and functional assays to characterize GMaM in vitro and used a mouse model of colitis to study GMaM functions in vivo.

Publication Title

Reprogramming of monocytes by GM-CSF contributes to regulatory immune functions during intestinal inflammation.

Sample Metadata Fields

Specimen part

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accession-icon GSE102725
PSORITUS - Secukinumab study in PSOriasis exploring pruRITUS intensity and lesional biomarkers (CAIN457ADE03)
  • organism-icon Homo sapiens
  • sample-icon 40 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Transcriptome Array 2.0 (hta20)

Description

Exploratory study on the kinetics of psoriasis symptoms, pruritus intensity and lesional biomarkers in patients with moderate to severe plaque-type psoriasis treated with subcutaneous

Publication Title

No associated publication

Sample Metadata Fields

Specimen part, Disease, Disease stage

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accession-icon GSE40393
Gene x environment effect of serotonin transporter genotype and acute stressor on amygdala gene expression
  • organism-icon Mus musculus
  • sample-icon 20 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Gene 1.0 ST Array (mogene10st)

Description

The amygdala is a prominent region of the brain processing stress-related emotion and vigilance. Additionally it is known that the serotonergic system is strongly involved in stress response and adaptation. The serotonin transporter (5-HTT) as key regulator of serotonergic activity in the brain is associated with stress-related neuropsychiatric disorders as well as heightened trait anxiety/dysphoria and exaggerated response to fear and environmental stress in humans. Also 5-HTT knockout mice display increased anxiety- and depression-related behaviors, altered stress reactivity and stress-coping abilities, gene expression differences and altered dendritic morphology.

Publication Title

Effect of acute stressor and serotonin transporter genotype on amygdala first wave transcriptome in mice.

Sample Metadata Fields

Sex, Specimen part, Treatment

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accession-icon GSE47406
Staphylococcus aureus SH1000 compared to SH1000 thyA
  • organism-icon Staphylococcus aureus
  • sample-icon 18 Downloadable Samples
  • Technology Badge Icon Affymetrix S. aureus Genome Array (saureus)

Description

Staphylococcus aureus thymidine-dependent small-colony variants (TD-SCVs) are frequently isolated from patients with chronic S. aureus infections after long-term treatment with trimethoprim-sulfamethoxazole (TMP-SMX). In TD-SCVs, mutations of thymidylate synthase (thyA, TS), essential for DNA synthesis, occur. However, it has never been shown, that TMP-SMX is responsible for the induction and selection of TD-SCVs. Short-term exposure of TMP-SMX induced the TD-SCV phenotype morphologically as shown in transmission electron-microscopy and on the transcriptional level by qRT-PCR in wild-type S. aureus, while selection of TD-SCVs with thyA mutations occurred only rarely after long-term exposure. In reversion experiments with clinical TD-SCVs, all revertants revealed compensating mutations at the initially identified mutation site. Whole DNA microarray analysis of a thyA deletion mutant (thyA), which exhibited the typical TD-SCV phenotype, identified tremendous alterations compared to the wild-type. Important virulence regulators such as agr, arlRS, sarA and major virulence determinants including hla, hlb, sspA, sspB and geh were down-regulated, while genes associated with the colonization capacity like fnbA, fnbB, spa, clfB, sdrC and sdrD were up-regulated. The expression of genes involved in pyrimidine and purine metabolism as well as in nucleotide interconversion changed significantly. The thyA-mutant was attenuated in virulence in both, a Caenorhabditis elegans killing model and an acute murine pneumonia model. Furthermore, competition experiments in vitro and in vivo (using a chronic pneumonia mouse model) revealed a survival and growth advantage of the thyA-mutant under low thymidine conditions and TMP-SMX exposure. In conclusion, our results clearly show for the first time that TMP-SMX induces the TD-SCV phenotype after short-term exposure in S. aureus and that long-term exposure selects thyA mutations providing an advantage for TD-SCVs under specified conditions. Thus, our results help to understand the dynamic processes of induction and selection of S. aureus TD-SCVs during TMP-SMX exposure.

Publication Title

Inactivation of thyA in Staphylococcus aureus attenuates virulence and has a strong impact on metabolism and virulence gene expression.

Sample Metadata Fields

Time

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accession-icon GSE101680
Transcriptome analysis reveals molecular anthelmintic effects of procyanidins in C. elegans
  • organism-icon Caenorhabditis elegans
  • sample-icon 15 Downloadable Samples
  • Technology Badge Icon Affymetrix C. elegans Gene 1.0 ST Array (elegene10st)

Description

Worldwide, more than 1 billion people are affected by infestations with soil-transmitted helminths and also in veterinary medicine helminthiases are a severe thread to livestock due to emerging resistances against the common anthelmintics. Proanthocyanidins have been increasingly investigated for their anthelmintic properties, however, except for an interaction with certain proteins of the nematodes, not much is known about their mode of action. To investigate the anthelmintic activity on a molecular level, a transcriptome analysis was performed in Caenorhabditis elegans after treatment with purified and fully characterized oligomeric procyanidins (OPC). The OPCs had previously been obtained from a hydro-ethanolic (1:1) extract from the leaves of Combretum mucronatum, a plant which is traditionally used in West Africa for the treatment of helminthiasis, therefore, also the crude extract was included in the study. Significant changes in differential gene expression were observed mainly for proteins related to the intestine, many of which were located extracellularly or within cellular membranes. Among the up-regulated genes, several hitherto undescribed orthologues of structural proteins in humans were identified, but also genes that are potentially involved in the worms defense against tannins. For example, T22D1.2, an orthologue of human basic salivary proline-rich protein (PRB) 2, and numr-1 (nuclear localized metal responsive) were found to be strongly up-regulated. Down-regulated genes were mainly associated with lysosomal activity, glycoside hydrolysis or the worms innate immune response. No major differences were found between the groups treated with purified OPCs versus the crude extract. Investigations using GFP reporter gene constructs of T22D1.2 and numr-1 corroborated the intestine as the predominant site of the anthelmintic activity.

Publication Title

Transcriptome analysis reveals molecular anthelmintic effects of procyanidins in C. elegans.

Sample Metadata Fields

Specimen part, Treatment

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accession-icon GSE55608
Expression data from human primary monocytes
  • organism-icon Homo sapiens
  • sample-icon 11 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Genome U133A Array (hgu133a)

Description

We analyzed the delayed LPS-induced expression pattern in monocytes.

Publication Title

No associated publication

Sample Metadata Fields

Specimen part

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accession-icon GSE54778
Glucocorticoid induced gene-regulation in murine bone marrow derived monocytes.
  • organism-icon Mus musculus
  • sample-icon 5 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Genome 430 2.0 Array (mouse4302)

Description

Glucocorticoids (GC) are used as first line therapies for generalized suppression of inflammation (e.g. allergies or autoimmune diseases), but their long-term use is limited by severe side effects. Our previous work has revealed that GC induced a stable anti-inflammatory phenotype in monocytes, the glucocorticoid-stimulated monocytes (GCsM) that we now exploited for targeted GC-mediated therapeutic effects.

Publication Title

Immune suppression via glucocorticoid-stimulated monocytes: a novel mechanism to cope with inflammation.

Sample Metadata Fields

Specimen part, Treatment

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accession-icon GSE77628
Pals1 haplo-insufficiency in nephrons results in proteinuria and cyst formation
  • organism-icon Mus musculus
  • sample-icon 6 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Gene 2.0 ST Array (mogene20st)

Description

Mammalian nephrons are the physiological subunits of mammalian kidneys which consist of different highly apicobasally polarized epithelial cell types. In epithelial cells polarization is controlled by evolutionary conserved CRB, PAR, or SRIB complexes. Here, we focused on the role of Pals1/Mpp5 in the nephron. Pals1, a core component of the apical membrane determining CRB complex, is highly expressed in renal tubular epithelial and glomerular epithelial cells (podocytes). Surprisingly, haplo-deficient mice, lacking one Pals1/Mpp5 allele in the nephron developed a strong phenotype, accompanied by cyst formation and severe renal filtration barrier defects, which subsequently lead to death after 6-8 weeks. Supporting studies in Drosophila nephrocytes, and epithelial cell culture models elucidated the role of Pals1 as a dose dependent upstream regulator of the crosstalk between Hippo- and TGF-signaling during nephrogenesis.

Publication Title

Pals1 Haploinsufficiency Results in Proteinuria and Cyst Formation.

Sample Metadata Fields

Specimen part

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Cite refine.bio

Casey S. Greene, Dongbo Hu, Richard W. W. Jones, Stephanie Liu, David S. Mejia, Rob Patro, Stephen R. Piccolo, Ariel Rodriguez Romero, Hirak Sarkar, Candace L. Savonen, Jaclyn N. Taroni, William E. Vauclain, Deepashree Venkatesh Prasad, Kurt G. Wheeler. refine.bio: a resource of uniformly processed publicly available gene expression datasets.
URL: https://www.refine.bio

Note that the contributor list is in alphabetical order as we prepare a manuscript for submission.

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