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GSE29004
Rattus norvegicus
12 Downloadable Samples
Affymetrix Rat Genome 230 2.0 Array (rat2302)
Description
Acrylamide is a type-2 alkene monomer with established human neurotoxic effects. While the primary source of human exposure to acrylamide is occupational, other exposure sources include food, drinking water, and smoking. In this study, neurobehavioral assays coupled with transcriptional profiling analysis were conducted to assess both behavioral and gene expression effects induced by acrylamide neurotoxicity in rats when administered during early postnatal life. Acrylamide administration in rat pups induced significant characteristic neurotoxic symptoms including increased heel splay, decrease in grip strength, and decrease in locomotor activity. Transcriptome analysis with the Affymetrix Rat Genome 230 2.0 array indicated that acrylamide treatment caused a significant alteration in the expression of genes involved in muscle contraction, pain regulation, and dopaminergic neuronal pathways. First, in agreement with the observed behavioral effects, expression of the Mylpf gene involved in muscle contraction was downregulated in the spinal cord in response to acrylamide. Second, in sciatic nerves, acrylamide repressed the expression of the opioid receptor gene Oprk1 that is known to play a role in neuropathic pain regulation. Finally, in the cerebellum, acrylamide treatment caused a decrease in the expression of the nuclear receptor gene Nr4a2 that is required for development of dopaminergic neurons. Thus, our work examining the effect of acrylamide at the whole-genome level on a developmental mammalian model has identified novel genes previously not implicated in acrylamide neurotoxicity that can be further developed into biomarkers for assessing the risk of acrylamide exposure.
Publication Title
Neurobehavioral and transcriptional effects of acrylamide in juvenile rats.
Sample Metadata Fields
Sex, Specimen part, Treatment
View Samples- Mus musculus
- 12 Downloadable Samples
- Affymetrix Mouse Gene 2.0 ST Array (mogene20st)
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
PRDM16 represses the type I interferon response in adipocytes to promote mitochondrial and thermogenic programing.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 12 Downloadable Samples
- Affymetrix Mouse Gene 2.0 ST Array (mogene20st)
Description
PRDM16 is a strong activator of brown fat-specific genes, while also a repressor of white fat and muscle-specific genes. We asked what other pathways are regulated by PRDM16 in adipocytes that may be critical for brown and/or beige adipogenesis. Using microarray, we found PRDM16 also represses type I Interferon-stimulated genes (ISGs) in adipocytes.
Publication Title
PRDM16 represses the type I interferon response in adipocytes to promote mitochondrial and thermogenic programing.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 6 Downloadable Samples
Affymetrix Mouse Gene 2.0 ST Array (mogene20st), Illumina HiSeq 2000
Description
This SuperSeries is composed of the SubSeries listed below.
Publication Title
Ebf2 is a selective marker of brown and beige adipogenic precursor cells.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 8 Downloadable Samples
- Illumina HiSeq 2000
Description
The induction of beige/brite adipose cells in white adipose tissue (WAT) is associated with protection against high fat diet-induced obesity and insulin resistance in animals. The helix-loop-helix transcription factor Early B-Cell Factor-2 (EBF2) regulates brown adipose tissue development. We examined the role of EBF2 in beige fat cell biogenesis by comparing transcriptome in wildtype and EBF2-overexpressing mice in the adipose tissue. Overall design: Four control replicates (wildtype) and four experimental replicates (Fabp4-Ebf2) mice were analyzed
Publication Title
EBF2 promotes the recruitment of beige adipocytes in white adipose tissue.
Sample Metadata Fields
Specimen part, Subject
View Samples- Mus musculus
- 6 Downloadable Samples
- Affymetrix Mouse Genome 430A 2.0 Array (mouse430a2)
Description
PRDM16 is a 140 kDa transcriptional coregulatory protein. PRDM16 has been shown to function as a bi-directional switch in brown fat cell fate by stimulating the development of brown fat cells from myf-5 positive myoblastic precursors.
Publication Title
Initiation of myoblast to brown fat switch by a PRDM16-C/EBP-beta transcriptional complex.
Sample Metadata Fields
Cell line
View Samples- Mus musculus
- 6 Downloadable Samples
Affymetrix Mouse Gene 2.0 ST Array (mogene20st), Illumina HiSeq 2000
Description
Brown adipocytes, muscle and dorsal dermis descend from precursor cells in the dermomyotome, but the factors that regulate commitment to the brown adipose lineage are unknown. Here, we prospectively isolated and determined the molecular profile of embryonic brown preadipose cells. Brown adipogenic precursor activity in embryos was confined to Pdgfr+, Myf5Cre-lineage-marked cells. RNAseq analysis identified Early B Cell Factor-2 (Ebf2) as one of the most selectively expressed genes in this cell fraction. Importantly, Ebf2-expressing cells purified from Ebf2-GFP embryos or brown fat tissue did not express myoblast or dermal cell markers and uniformly differentiated into brown adipocytes. Interestingly, Ebf2-expressing cells from white fat tissue in adult animals differentiated into brown-like (or beige) adipocytes. Loss of Ebf2 in brown preadipose cells reduced the expression levels of brown preadipose-signature genes, whereas ectopic Ebf2-expression in myoblasts activated brown preadipose-specific genes. Altogether, these results indicate that Ebf2 specifically marks and regulates the molecular profile of brown preadipose cells.
Publication Title
Ebf2 is a selective marker of brown and beige adipogenic precursor cells.
Sample Metadata Fields
Specimen part
View Samples- Mus musculus
- 4 Downloadable Samples
- Illumina HiSeq 2000
Description
Brown adipocytes, muscle and dorsal dermis descend from precursor cells in the dermomyotome, but the factors that regulate commitment to the brown adipose lineage are unknown. Here, we prospectively isolated and determined the molecular profile of embryonic brown preadipose cells. Brown adipogenic precursor activity in embryos was confined to Pdgfra+, Myf5Cre-lineage-marked cells. RNAseq analysis identified Early B Cell Factor-2 (Ebf2) as one of the most selectively expressed genes in this cell fraction. Importantly, Ebf2-expressing cells purified from Ebf2-GFP embryos or brown fat tissue did not express myoblast or dermal cell markers and uniformly differentiated into brown adipocytes. Interestingly, Ebf2-expressing cells from white fat tissue in adult animals differentiated into brown-like (or beige) adipocytes. Loss of Ebf2 in brown preadipose cells reduced the expression levels of brown preadipose-signature genes, whereas ectopic Ebf2-expression in myoblasts activated brown preadipose-specific genes. Altogether, these results indicate that Ebf2 specifically marks and regulates the molecular profile of brown preadipose cells. Overall design: Embryonic fibroblasts, isolated from dorsal body wall of E14.5 Myf5-CrE;mTmG embryos, were further fractionated based on the expression of PDGFRa, Itga7 and Myf5-cre (GFP). Total mRNA profiles from Myf5-cre(GFP)+PDGFRa+ and Myf5-cre(GFP)+PDGFRa-Itga7+ cells were generated by deep sequenceing
Publication Title
Ebf2 is a selective marker of brown and beige adipogenic precursor cells.
Sample Metadata Fields
No sample metadata fields
View Samples- Mus musculus
- 6 Downloadable Samples
- Affymetrix Mouse Genome 430 2.0 Array (mouse4302)
Description
The aim of this study was to identify genes expressed selectively in brown adipose tissue as compared to white adipose tissue from the same animals. This analysis provides a gene set that is brown and white adipose selective.
Publication Title
Transcriptional control of brown fat determination by PRDM16.
Sample Metadata Fields
Sex, Specimen part
View Samples- Oryza sativa
- 6 Downloadable Samples
- Affymetrix Rice (Chinese Build) Gene 1.0 ST Array (rcngene10st)
Description
The experiments were performed to understand the molecular basis of plant growth promotion in rice by Rhodotorula mucilaginosa JGTA-S1, an endophytic yeast from Typha angustifolia
Publication Title
Early changes in shoot transcriptome of rice in response to Rhodotorula mucilaginosa JGTA-S1.
Sample Metadata Fields
Specimen part, Treatment, Time
View Samples