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GSE41892
Homo sapiens
4 Downloadable Samples
Affymetrix Human Genome U133A 2.0 Array (hgu133a2)
Description
Ablation of tetraspanin protein TSPAN12 from human MDA-MB-231 cells significantly decreased primary tumor xenograft growth, while increasing tumor apoptosis. Furthermore, TSPAN12 removal markedly enhanced tumor-endothelial interactions and increased metastasis to mouse lungs. TSPAN12 removal from human MDA-MB-231 cells also caused diminished association between FZD4 (a key canonical Wnt pathway receptor) and its co-receptor LRP5. The result likely explains substantially enhanced proteosomal degradation of -catenin, a key effecter of canonical Wnt signalling. Consistent with disrupted canonical Wnt signaling, TSPAN12 ablation altered expression of LRP5, Naked 1 and 2, DVL2, DVL3, Axin 1 and GSK3 proteins. TSPAN12 ablation also altered expression of several genes regulated by -catenin (e.g. CCNA1, CCNE2, WISP1, ID4, SFN, ME1) that may help to explain altered tumor growth and metastasis. In conclusion, these results provide the first evidence for TSPAN12 playing a role in supporting primary tumor growth and suppressing metastasis. TSPAN12 appears to function by stabilizing FZD4-LRP5 association, in support of canonical Wnt-pathway signaling, leading to enhanced -catenin expression and function.
Publication Title
Tetraspanin TSPAN12 regulates tumor growth and metastasis and inhibits β-catenin degradation.
Sample Metadata Fields
No sample metadata fields
View Samples- Homo sapiens
- 4 Downloadable Samples
- Affymetrix Human Genome U133A 2.0 Array (hgu133a2)
Description
EWI-2 (IgSF8) plays a novel, bifunctional role in melanoma cells. EWI-2 inhibits migration, metastasis, EMT-like changes, and CD271-dependent invasion in multiple melanoma cell lines. On the other hand, EWI-2 supports melanoma cell proliferation, survival, and xenograft growth. Consistent with these results, EWI-2 levels were elevated in human malignant melanoma, but not in metastatic melanoma samples. Altered melanoma cell functions, caused by EWI-2 ablation, are almost entirely dependent on enhanced TRF-1 signaling, and also require contributions from tetraspanin proteins CD9 and CD81. In melanoma cells lacking EWI-2, tetraspanins CD9 and CD81 enhance TRF-1 signaling by facilitating TR-2TR-1 receptor complex formation. When EWI-2 is present, CD9 and CD81 are diverted into EWI-2 complexes, and thus TRF-1 signaling is inhibited.
Publication Title
No associated publication
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 32 Downloadable Samples
- Illumina mouse-6 v1.1 expression beadchip
Description
Eosinophils are important in fighting parasitic infections and are implicated in the pathogenesis of asthma and allergy. Interleukin-5 (IL-5) is a critical regulator of eosinophil development, controlling proliferation, differentiation and maturation of the lineage. Mice that constitutively express IL-5 have more than 10 fold more eosinophils in the haematopoietic organs than their wild type counterparts. We have identified that much of this expansion is in a population of Siglec-F high eosinophils, which are rare in wild type mice. In this study we assessed transcription in myeloid progenitors, eosinophil precursors and Siglec-F medium and Siglec-F high eosinophils from IL-5 transgenic mice and in doing so have created a useful resource for eosinophil biologists. We have then utilised these populations to construct an eosinophil trajectory based on gene expression and to identify gene sets that are associated with eosinophil lineage progression. Cell cycle genes were significantly associated with the trajectory, and we experimentally demonstrate an increasing trend towards quiescence along the trajectory. Additionally we found gene expression changes associated with constitutive IL-5 signalling in eosinophil progenitors, many of which were not observed in eosinophils.
Publication Title
No associated publication
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 22 Downloadable Samples
- Affymetrix Murine Genome U74A Version 2 Array (mgu74av2)
Description
Timecourse analysis of Interferon-Gamma (IFNg) signalling in mice deficient for IFNg or both IFNg and Suppressor of Cytokine Signalling-1 (SOCS1).
Publication Title
No associated publication
Sample Metadata Fields
No sample metadata fields
View Samples- Mus musculus
- 41 Downloadable Samples
- Illumina MouseWG-6 v2.0 expression beadchip
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
Epigenetic regulator Smchd1 functions as a tumor suppressor.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 11 Downloadable Samples
- Illumina MouseWG-6 v2.0 expression beadchip
Description
Smchd1 appears to act as a tumour suppressor in the transformed fibroblast model. We find gene expression differences are most pronounced in the transformed MEFs. We always detect a small number of clustered genes and imprinted genes as differentially expressed, along with others involved in tumorigenesis.
Publication Title
Epigenetic regulator Smchd1 functions as a tumor suppressor.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 13 Downloadable Samples
- Affymetrix Mouse Gene 1.0 ST Array (mogene10st)
Description
Tissue resident memory (Trm) represent a newly described memory T cell population. We have previously characterized a population of Trm that persists within the brain following acute virus infection. Although capable of providing marked protection against a subsequent local challenge, brain Trm do not undergo recall expansion following dissociation from the tissue. Furthermore, these Trm do not depend on the same survival factors as the circulating memory T cell pool as assessed either in vivo or in vitro. To gain greater insight into this population of cells we compared the gene-expression profiles of Trm isolated from the brain to circulating memory T cells isolated from the spleen following an acute virus infection. Trm displayed altered expression of genes involved in chemotaxis, expressed a distinct set of transcription factors and overexpressed several inhibitory receptors. Cumulatively, these data indicates that Trm are a distinct memory T cell population disconnected from the circulating memory T cell pool and displaying a unique molecular signature which likely results in optimal survival and function within their local environment.
Publication Title
The molecular signature of tissue resident memory CD8 T cells isolated from the brain.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 12 Downloadable Samples
- Affymetrix Mouse Genome 430 2.0 Array (mouse4302)
Description
MYST4 (QKF/KAT6B/MORF) is an important regulator of brain development and function through its regulation of gene expression. Genetic targets of MYST4 are currently unknown. We have therefore carried out microarrays comparing gene expression in wild type and Qkf mouse tissues, namely the dorsal cortex and E12.5 dorsal telencephalon, to elucidate genetic targets of MYST4.
Publication Title
No associated publication
Sample Metadata Fields
Sex, Age, Specimen part
View Samples- Homo sapiens
- 12 Downloadable Samples
- Illumina HumanHT-12 V4.0 expression beadchip
Description
Omental adipose tissue explants were cultured for 24h in serum-free medium in the presence of vehicle (control medium) or macrophage (LPS) and T-cell (anti-CD3/28) stimulants (active medium). SGBS human preadipocytes were differentiated into adipocytes and then exposed to 25% v/v control or active medium.
Publication Title
No associated publication
Sample Metadata Fields
Specimen part, Treatment, Time
View Samples- Mus musculus
- 12 Downloadable Samples
- Illumina MouseWG-6 v2.0 expression beadchip
Description
Smchd1 appears to act as a tumour suppressor in the E-Myc B cell lymphoma model. We find gene expression differences are most pronounced in the premalignant cells, and observe more variability in end stage lymphomas. We always detect a small number of clustered genes and imprinted genes as differentially expressed, along with others involved in tumorigenesis.
Publication Title
Epigenetic regulator Smchd1 functions as a tumor suppressor.
Sample Metadata Fields
Specimen part
View Samples