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E-MEXP-51
Mus musculus
35 Downloadable Samples
Affymetrix Murine Genome U74A Version 2 Array (mgu74av2)
Description
The goal of the experiments was to profile and analyze gene activity during murine pre-implantation development. Samples were collected at twelve time points from the germinal vesicle (GV) stage oocyte to the late (expanded) blastocyst.
Publication Title
A genome-wide study of gene activity reveals developmental signaling pathways in the preimplantation mouse embryo.
Sample Metadata Fields
Age
View Samples- Arabidopsis thaliana
- 12 Downloadable Samples
- Affymetrix Arabidopsis ATH1 Genome Array (ath1121501)
Description
Arabidopsis brm plants depleted in a SWI/SNF-type ATPase BRM have decreased level of endogenous gibberellins and a phenotype that in many respects resembles the phenotype of mutants with repressed GA signaling or biosynthesis, like ga1-3. ga1-3/brm double mutant showed several additive and synergistic effects. To examine whether the phenotypic traits of brm, ga1-3 and ga1-3/brm lines are reflected at the gene expression level, we compared the expression profiles of brm, ga1-3, ga1-3/brm and wild-type plants using microarray analysis.
Publication Title
No associated publication
Sample Metadata Fields
Age, Specimen part
View Samples- Homo sapiens
- 116 Downloadable Samples
- Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)
Description
Thyroid gland is among the most sensitive organs to ionizing radiation. Whether low-dose radiation-induced papillary thyroid cancer (PTC) differs from sporadic PTC is yet unknown.
Publication Title
Gene signature of the post-Chernobyl papillary thyroid cancer.
Sample Metadata Fields
No sample metadata fields
View Samples- Mus musculus, Homo sapiens
- 54 Downloadable Samples
- Affymetrix Mouse Gene 1.0 ST Array (mogene10st), Affymetrix Human Genome U133A Array (hgu133a)
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
BRAFV600E-Associated Gene Expression Profile: Early Changes in the Transcriptome, Based on a Transgenic Mouse Model of Papillary Thyroid Carcinoma.
Sample Metadata Fields
Sex, Age
View Samples- Homo sapiens
- 45 Downloadable Samples
Affymetrix Human Genome U133A Array (hgu133a)
Description
BRAFV600E mutation is the most frequent molecular event in papillary thyroid carcinoma. The relation of this genetic alteration with the factors od poor prognosis has been reported as well as its influence on PTC gene signature. However human material disables distinction of cancer causes from its effect.
Publication Title
BRAFV600E-Associated Gene Expression Profile: Early Changes in the Transcriptome, Based on a Transgenic Mouse Model of Papillary Thyroid Carcinoma.
Sample Metadata Fields
Sex, Age
View Samples- Mus musculus
- 9 Downloadable Samples
- Affymetrix Human Genome U133A Array (hgu133a), Affymetrix Mouse Gene 1.0 ST Array (mogene10st)
Description
BRAFV600E mutation is the most frequent molecular event in papillary thyroid carcinoma. The relation of this genetic alteration with the factors od poor prognosis has been reported as well as its influence on PTC gene signature. However human material disables distinction of cancer causes from its effect.
Publication Title
BRAFV600E-Associated Gene Expression Profile: Early Changes in the Transcriptome, Based on a Transgenic Mouse Model of Papillary Thyroid Carcinoma.
Sample Metadata Fields
Sex, Age
View Samples- Homo sapiens
- 24 Downloadable Samples
- Affymetrix Human Gene 2.1 ST Array (hugene21st)
Description
Analysis of Neuroblastoma SH-SY5Y cell line treated with C2 ceramide, or combination of C2 ceramide and PJ34. Samples were collected in three time points: 3 hours, 6 hours and 24 hours. Results provide insight into the mechanism of cramide induced cell death and role of poly (ADP-ribose) polymerase in these proces.
Publication Title
No associated publication
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 21 Downloadable Samples
- Affymetrix Murine Genome U74A Version 2 Array (mgu74av2)
Description
Analysis of gene expression profile of B16-F10 murine melanoma cells exposed to hypoxic conditions (1% oxygen) or hypoxia mimicry (cobalt chloride) for 24 hours. Gene expression profiles were analyzed using MG-U74Av2 oligonucleotide microarrays. Data analysis revealed 2541 probesets (FDR<5%) for 1% oxygen experiment and 364 probesets (FDR<5%) for cobalt chloride, that showed differences in expression levels. Analysis of hypoxia-regulated genes (1% O2) by stringent Family-Wise Error Rate estimation indicated 454 significantly changed transcripts (p<0.05). The most upregulated genes were Lgals3, Selenbp1, Nppb (more than ten-fold increase). Both hypoxia and hypoxia-mimicry induced HIF-1 regulated genes. However, unsupervised analysis (Singular Value Decomposition) revealed distinct differences between gene expression induced by these two experimental conditions.
Publication Title
Gene expression profile of B 16(F10) murine melanoma cells exposed to hypoxic conditions in vitro.
Sample Metadata Fields
Cell line
View Samples- Mus musculus
- 18 Downloadable Samples
- Affymetrix Mouse Gene 2.1 ST Array (mogene21st)
Description
Myogenic differentiation relies on Pax7 function. We used embryonic stem cells lacking functional Pax7 to follow its role in derivation of skeletal myoblasts.
Publication Title
Myogenic Differentiation of Mouse Embryonic Stem Cells That Lack a Functional Pax7 Gene.
Sample Metadata Fields
No sample metadata fields
View Samples- Arabidopsis thaliana
- 12 Downloadable Samples
- Affymetrix Arabidopsis ATH1 Genome Array (ath1121501)
Description
Two nuclear 5'-3' exonucleases XRN2/3 in Arabidopsis thaliana are homologs of the yeast and human Rat1/Xrn2, which are involved in degradation and processing of several classes of nuclear RNAs and in transcription termination of RNA polymerase II. Here we show that knockdown of XRN3 leads to altered expression of several hundred of the Arabidopsis genes and accumulation of new non-coding RNAs. Using strand-specific short read sequencing we reveal a widespread accumulation of intergenic transcripts in xrn3 mutants. These non-coding XAT (xrn3-associated transcripts) RNAs are generated by Pol II read-through transcription and are usually polyadenylated and lack the 5' cap structure. We show that XRN3-mediated changes in expression of a subset of genes are related to XAT transcription and may be enhanced by XAT-mRNA chimeras produced in xrn3 plants while antisense XATs may trigger siRNA production. Our results highlight the important role of the Rat1/Xrn2 5'-3' exoribonucleases in the torpedo mechanism of Pol II transcription termination and show that a global disturbance in this process significantly impacts both gene expression and transcriptome integrity.
Publication Title
Defective XRN3-mediated transcription termination in Arabidopsis affects the expression of protein-coding genes.
Sample Metadata Fields
Age, Specimen part, Time
View Samples