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GSE19251
Mus musculus
2 Downloadable Samples
Description
High dietary fat intake is a major risk factor for the development of obesity, which is frequently associated with diabetes. To identify genes involved in diabetic nephropathy, GeneChip Expression Analysis was employed to survey the glomerular gene expression profile in diabetic KK/Ta mice fed with a high-fat diet (HFD).
Publication Title
Mindin: a novel marker for podocyte injury in diabetic nephropathy.
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Sex, Age
View Samples- Mus musculus
- 2 Downloadable Samples
Description
BBF2H7 (BBF2 human homolog on chromosome 7), an ER-resident basic leucine zipper transcription factor, is activated in response to ER stress and abundantly expresses in chondrocytes. While BBF2H7 is widely expressed in many tissues and organs, the most intense signals were detected in the proliferating zone of the cartilage. We compared gene expressions in primary cultured chondrocytes prepared from rib cartilage between WT and BBF2H7-/- mice at E18.5. Primary cultured chondrocytes were prepared from E18.5 rib cartilage of WT and BBF2H7-/- mice. Chondrocytes were isolated using 0.2% collagenase D (Roche) after adherent connective tissue was removed by 0.2% trypsin (Sigma) and collagenase pretreatment. Isolated chondrocytes were maintained in -MEM (Gibco) supplemented with 10% FCS and 50 g/mL ascorbic acid. Adenovirus vectors expressing the mouse p60 BBF2H7 (1-377 aa, BBF-N) were constructed with the AdenoX Expression system (Clontech), according to the manufacturers protocol. The cells were infected with adenoviruses 30 h before analysis.
Publication Title
Regulation of endoplasmic reticulum stress response by a BBF2H7-mediated Sec23a pathway is essential for chondrogenesis.
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Specimen part
View Samples- Mus musculus
- 26 Downloadable Samples
Description
Epigenetic modifications must underlie lineage-specific differentiation since terminally differentiated cells express tissue-specific genes, but their DNA sequence is unchanged. Hematopoiesis provides a well-defined model of progressive differentiation in which to study the role of epigenetic modifications in cell fate decisions. Multi-potent progenitors (MPPs) can differentiate into all blood cell lineages, while downstream progenitors commit to either myeloerythroid or lymphoid lineages. While DNA methylation is critical for myeloid versus lymphoid differentiation, as demonstrated by the myeloerythroid bias in Dnmt1 hypomorphs {Broske, 2009 #6}, a comprehensive DNA methylation map of hematopoietic progenitors, or of any cell lineage, does not exist. Here we have generated a mouse DNA methylation map, examining 4.6 million CpG sites throughout the genome including all CpG islands and shores, examining MPPs, all lymphoid progenitors (ALPs), common myeloid progenitors (CMPs), granulocyte/macrophage progenitors (GMPs), and thymocyte progenitors (DN1, DN2, DN3). Interestingly, differentiation towards the myeloid lineage corresponds with a net decrease in DNA methylation, while lymphoid commitment involves a net increase in DNA methylation, but both show substantial dynamic changes consistent with epigenetic plasticity during development. By comparing lineage-specific DNA methylation to gene expression array data, we find many examples of genes and pathways not previously known to be involved in lymphoid/myeloid differentiation, such as Gcnt2, Arl4c, Gadd45, and Jdp2. Several transcription factors, including Meis1 and Prdm16 were methylated and silenced during differentiation, suggesting a role in maintaining an undifferentiated state. Additionally, epigenetic modification of modifiers of the epigenome appears to be important in hematopoietic differentiation. Our results directly demonstrate that modulation of DNA methylation occurs during lineage-specific differentiation, often correlating with gene expression changes, and define a comprehensive map of the methylation and transcriptional changes that accompany myeloid versus lymphoid fate decisions.
Publication Title
Comprehensive methylome map of lineage commitment from haematopoietic progenitors.
Alternate Accession IDs
Sample Metadata Fields
Sex, Age
View Samples- Mus musculus
- 4 Downloadable Samples
Description
Cutaneous exposure to food antigen through impaired skin barrier has been shown to induce epicutaneous sensitization, and thereby cause IgE-mediated food allergy.
Publication Title
Skin inflammation exacerbates food allergy symptoms in epicutaneously sensitized mice.
Alternate Accession IDs
Sample Metadata Fields
Sex, Specimen part
View Samples- Mus musculus
- 26 Downloadable Samples
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
Zbtb46 expression distinguishes classical dendritic cells and their committed progenitors from other immune lineages.
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Specimen part
View Samples- Mus musculus
- 4 Downloadable Samples
Description
ES cells differentiated in the presence of the Wnt inhibitor DKK1 fail to express the transcription factor Snail and undergo EMT. We generated an ES cell line, A2.snail, that induced Snail expression upon addition of doxycycline addition.
Publication Title
Snail and the microRNA-200 family act in opposition to regulate epithelial-to-mesenchymal transition and germ layer fate restriction in differentiating ESCs.
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Sample Metadata Fields
Specimen part, Cell line, Time
View Samples- Mus musculus
- 2 Downloadable Samples
Description
Goal of experiment: Identify genes down-regulated between pre- and post-natal stages in mouse dental papillae.
Publication Title
Down-regulated genes in mouse dental papillae and pulp.
Alternate Accession IDs
Sample Metadata Fields
No sample metadata fields
View Samples- Mus musculus
- 2 Downloadable Samples
Description
Investigation of whole genome gene expression level changes in OASIS KO calvaria compared to wild-type calvaria.
Publication Title
Signalling mediated by the endoplasmic reticulum stress transducer OASIS is involved in bone formation.
Alternate Accession IDs
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 4 Downloadable Samples
Description
Most human B cell lymphomas (B-NHL) are derived from germinal centers (GCs), the structure where B-cells undergo class switch recombination (CSR) and somatic hypermutation (SHM) and are selected for high-affinity antibody production. The pathogenesis of B-NHL is associated with distinct genetic lesions, including chromosomal translocations and aberrant somatic hypermutation, which appear to arise from mistakes occurring during CSR and SHM. To ascertain the role of CSR and SHM in lymphomagenesis, we crossed three oncogene-driven (MYC, BCL6, MYC/BCL6) mouse models of B cell lymphoma with mice lacking activation-induced cytidine deaminase (AID), the enzyme required for both processes.
Publication Title
AID is required for germinal center-derived lymphomagenesis.
Alternate Accession IDs
Sample Metadata Fields
Specimen part
View Samples GSE28736- Mus musculus
- 5 Downloadable Samples
Description
compare wild type and Batf-/- B cells activated for 0 1 or 2 days in vitro.
Publication Title
The transcription factor BATF controls the global regulators of class-switch recombination in both B cells and T cells.
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Sample Metadata Fields
Specimen part
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