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accession-icon GSE10650
HCT116 PCLKC
  • organism-icon Homo sapiens
  • sample-icon 6 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)

Description

The gain of Protocadherin LKC (PCDH24) expression in colon carcinoma cell line HCT116 has been shown to induce contact inhibition, thereby completely abolishing tumor formation in vivo. To clarify the molecular mechanism, we performed DNA microarray analysis and compared gene-expression pattern between control and PCDH24-expressing HCT116 cells. Approximately 2000 genes were apparently changed their expression. Further proteomics analysis using 2-DE/MS confirmed the dramatic changes and provided additional information. We were aware that these changes are quite similar to the changes observed in epithelial-mesenchymal transition (EMT), most drastic changes in development and cancer metastasis. We thus further analyzed these changes using specific antibodies, and found distinct difference between these two phenomena. Among the differences, nuclear translocation of catenin beta 1 (CTNNB1) was inhibited by PCDH24-expression, subsequently some of the downstream nodes were suppressed. Although contact inhibition and cancer metastasis are completely opposite aspect of the cells, we expect that the identified differences will be key nodes to understand the relationship. We also expect that the nodes will be a target to modulate tumors arising stem cell transplantation (SCT), as well as a therapeutic target for cancer metastasis.

Publication Title

PCDH24-induced contact inhibition involves downregulation of beta-catenin signaling.

Sample Metadata Fields

No sample metadata fields

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accession-icon SRP060744
Single-cell RNA sequencing of aspirates from cortical neurons after patch clamp recording
  • organism-icon Mus musculus
  • sample-icon 83 Downloadable Samples
  • Technology Badge IconIlluminaHiSeq2000

Description

We obtained full transcriptome data from single cortical neurons after whole-cell patch-clamp recording (termed “Patch-seq”). By applying “Patch-seq” to cortical neurons, we reveal a close link between biophysical membrane properties and genes coding for neurotransmitter receptors and channels, including well-established and hitherto undescribed subtypes. Overall design: RNA sequencing was performed on a total of 83 individual cells

Publication Title

Integration of electrophysiological recordings with single-cell RNA-seq data identifies neuronal subtypes.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE62210
Depletion of p62 reduces nuclear inclusions and paradoxically ameliorates disease phenotypes in Huntingtons model mice
  • organism-icon Mus musculus
  • sample-icon 6 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Gene 1.0 ST Array (mogene10st)

Description

Huntingtons disease (HD) is a dominantly inherited genetic disease caused by mutant huntingtin (htt) protein with expanded polyglutamine tracts. A neuropathological hallmark of HD is the presence of neuronal inclusions of mutant htt. p62 is an important regulatory protein in selective autophagy, a process by which aggregated proteins are degraded, and it is associated with several neurodegenerative disorders including HD. Here we investigated the effect of p62 depletion in three HD model mice: R6/2, HD190QG and HD120QG mice. We found that loss of p62 in these models led to longer lifespans and reduced nuclear inclusions, although cytoplasmic inclusions increased with polyglutamine length. In mouse embryonic fibroblasts (MEFs) with or without p62, mutant htt with a nuclear localization signal (NLS) showed no difference in nuclear inclusion between the two MEF types. In the case of mutant htt without NLS, however, p62 depletion increased cytoplasmic inclusions. Furthermore, to examine the effect of impaired autophagy in HD model mice, we crossed R6/2 mice with Atg5 conditional knockout mice. These mice also showed decreased nuclear inclusions and increased cytoplasmic inclusions, similar to HD mice lacking p62. These data suggest that the genetic ablation of p62 in HD model mice enhances cytoplasmic inclusion formation by interrupting autophagic clearance of polyQ inclusions. This reduces polyQ nuclear influx and paradoxically ameliorates disease phenotypes by decreasing toxic nuclear inclusions.

Publication Title

Depletion of p62 reduces nuclear inclusions and paradoxically ameliorates disease phenotypes in Huntington's model mice.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE16194
Expression data from Snail over-expressing non-small cell lung cancer cell lines
  • organism-icon Homo sapiens
  • sample-icon 5 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)

Description

Snail is a zinc-finger transcription factor best known for its ability to down-regulate E-cadherin. Its established significance in embryology and organogenesis has been expanded to include a role in the tumor progression of a number of human cancers. In addition to E-cadherin, it has more recently been associated with the down-regulation and up-regulation of a number of other genes that affect important malignant phenotypes.

Publication Title

Snail promotes CXCR2 ligand-dependent tumor progression in non-small cell lung carcinoma.

Sample Metadata Fields

Cell line

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accession-icon SRP033778
m6a peak analysis in normal, FTO deficient and five stages of adipogenesis (D-2/0/2/5/10) in Mouse embryo fibroblast 3T3-L1 pre-adipocytes
  • organism-icon Mus musculus
  • sample-icon 18 Downloadable Samples
  • Technology Badge IconIllumina HiSeq 2000

Description

Total RNA was extracted using TRI® Reagent (Sigma). cDNA was synthesized by RevertAid™ First Strand cDNA Synthesis Kit with Oligo dT primers (K1622, Fermentas) following manufacturer’s recommendations. PCR reactions were carried out on a DNAEngine® Thermal Cycler (PTC-0200G, Bio-Rad) in 25 µl reaction volume containing 1 µl cDNA, 200 nM primer pairs and components of TaKaRa Taq™ kit (R001A, Takara). All samples were analyzed in triplicate RT-qPCR.mRNAs were extracted using biotinylated poly(dT) oligo, followed by further removing of contaminated rRNA using RiboMinus Transcriptome Isolation Kit (K1550-02, Invitrogen). Then mRNAs were fragmented into 100-200nt length and subjected to immunoprecipitation with m6A specific antibody.The libraries were sequenced using HiSeq2000 (Illumina) in single-read mode, creating reads with a length of 101 bp. Sequencing chemistry v2 (Illumina) was used and samples were multiplexed in two samples per lane. Overall design: discovery of the binding motif of m6a in normal, FTO deficient and five stages of adipogensis (D-2/0/2/5/10) in Mouse embryo ?broblast 3T3-L1 pre-adipocytes

Publication Title

FTO-dependent demethylation of N6-methyladenosine regulates mRNA splicing and is required for adipogenesis.

Sample Metadata Fields

No sample metadata fields

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accession-icon SRP033779
Transcriptomics analysis of gene expression in normal and FTO, METTL3 deficient Mouse embryo fibroblast 3T3-L1 pre-adipocytes
  • organism-icon Mus musculus
  • sample-icon 6 Downloadable Samples
  • Technology Badge IconIllumina HiSeq 2000

Description

RNA was isolated from control and FTO,METTL3 deficient mouse 3T3-L1 cells using the TRIzol (Invitrogen) reagent by following the company manual.Total RNA was isolated from transiently transfected cells with TRI® Reagent (Sigma). mRNA was extracted using biotinylated poly(dT) oligo, followed by further removing of contaminated rRNA using RiboMinus Transcriptome Isolation Kit (K1550-02, Invitrogen). mRNA quality was analyzed by NanoDrop. Approximately 2.5 µg of total RNA was then used for library preparation using a TruSeq™ RNA Sample Prep Kit v2 (Illumina, San Diego, CA, USA) according to the manufacturer’s protocol.The libraries were sequenced using HiSeq2000 (Illumina) in single-read mode, creating reads with a length of 101 bp. Sequencing chemistry v2 (Illumina) was used and samples were multiplexed in two samples per lane. Overall design: Examination of gene expressive levels in normal and FTO, METTL3 deficient mouse 3T3-L1 cells

Publication Title

FTO-dependent demethylation of N6-methyladenosine regulates mRNA splicing and is required for adipogenesis.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE62452
Microarray gene-expression profiles of 69 pancreatic tumors and 61 adjacent non-tumor tissue from patients with pancreatic ductal adenocarcinoma
  • organism-icon Homo sapiens
  • sample-icon 127 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Gene 1.0 ST Array (hugene10st)

Description

In order to identify biologically relevant tumor markers , we analyzed gene expression profiling of tumor and adjacent non-tumor tissues from PDAC cases. We compared the microarray gene-expression profiles of MIF-high and MIF low expressing tumors as detrmined by qRT-PCR. Affymetrix gene-expression analysis was done in two sets. Affymetrix data from sample number 1-90 were earlier submited by us as GEO accession#: GSE28735. The batch effect between the two sets of data was removed using Partek Genomic Suite and this normalized data was submitted to GEO in this submission. All the analysis was performed using the merged data set.

Publication Title

A Novel MIF Signaling Pathway Drives the Malignant Character of Pancreatic Cancer by Targeting NR3C2.

Sample Metadata Fields

Specimen part

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accession-icon GSE36569
SCFA receptor response
  • organism-icon Mus musculus
  • sample-icon 6 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Genome 430 2.0 Array (mouse4302)

Description

The purpose of this study was to determine the gene expression patterns of the colon of GPR41 KO and GPR43 KO mice in response to ETOH treatment

Publication Title

Short-chain fatty acids activate GPR41 and GPR43 on intestinal epithelial cells to promote inflammatory responses in mice.

Sample Metadata Fields

Specimen part

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accession-icon GSE75805
Expression data from Hand2 mutant mouse embryos
  • organism-icon Mus musculus
  • sample-icon 4 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Genome 430 2.0 Array (mouse4302)

Description

Acquisition of the lower jaw (mandible) was evolutionarily important for jawed vertebrates. In humans, syndromic craniofacial malformations often accompany jaw anomalies. Hand2 is involved in coordinating the developmental network of mandibles and the oral apparatus through Hand2-downstream genes and is therefore a major determinant of jaw identity.

Publication Title

Specification of jaw identity by the Hand2 transcription factor.

Sample Metadata Fields

Specimen part

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accession-icon GSE10360
Role of Endothelin in SCG axon pathfinding
  • organism-icon Mus musculus
  • sample-icon 2 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Genome 430 2.0 Array (mouse4302)

Description

Sympathetic neurons of SCG (Superior Cervical Ganglia) send axonal projections either along the external carotid arteries to innervate the salivary glands, or along the internal carotid arteries to the lacrimal and pineal glands, the eye, blood vessels and skin of the head, and the mucosa of the oral and nasal cavities. Previous studies using Wnt1Cre and R26R have defined the neural crest and mesodermal origins of vascular smooth muscle in the heart outflow tract and great vessels, although not specifically of the segments that are relevant for the projections of the SCG neurons. The third pharyngeal arch arteries are lined by neural crest-derived smooth muscle, and consequently, their derivatives, including the entirety of the external carotid arteries and only the base of the internal carotid arteries, also have a neural crest origin. In contrast, the dorsal aortae are lined by smooth muscle that is mesodermal in origin, and as a result, the internal carotid arteries from just above their origination from the common carotid arteries have a mesoderm-derived smooth muscle layer. To address the possibility that guidance cues for SCG neurons are selectively expressed by the external carotid vs. the internal carotid arteries, we isolated these segments of the vasculature from mouse embryos at E13.5 and extracted RNA to screen microarrays for differentially expressed genes.

Publication Title

Endothelins are vascular-derived axonal guidance cues for developing sympathetic neurons.

Sample Metadata Fields

No sample metadata fields

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refine.bio is a repository of uniformly processed and normalized, ready-to-use transcriptome data from publicly available sources. refine.bio is a project of the Childhood Cancer Data Lab (CCDL)

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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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