E-GEOD-51499
Ontology highlight
ABSTRACT:
OTHER RELATED OMICS DATASETS IN: PRJNA223321
PROVIDER: E-GEOD-51499 | ExpressionAtlas | 2015-07-27
REPOSITORIES: ExpressionAtlas
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| E-GEOD-51499-analysis-methods.tsv | Tabular | |||
| E-GEOD-51499-atlasExperimentSummary.Rdata | Rdata | |||
| E-GEOD-51499-configuration.xml | Xml | |||
| E-GEOD-51499-percentile-ranks.tsv | Tabular | |||
| E-GEOD-51499.condensed-sdrf.tsv | Tabular |
Items per page: 5 1 - 5 of 53 |
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Project description:Analysis of mouse placenta retrieved at day 18.5pc from vitamin D (1,25-dihydroxyvitamin D3) receptor (Vdr) knockout, heterozygous and wild-type mice. Results provide insight into the molecular mechanisms underlying the effect of vitamin D on placental function. Vdr heterozygous males and females were mated to generate Vdr knockout, heterozygous and wild-type offspring. At day 18.5pc, mouse placentae were collected and RNA was extracted and assayed on Affymetrix MoGene 2.1 ST arrays to measure the effect of Vdr on global gene expression.
2015-08-04 | E-GEOD-61583 | biostudies-arrayexpress
Project description:Analysis of mouse placenta retrieved at day 18.5pc from vitamin D (1,25-dihydroxyvitamin D3) receptor (Vdr) knockout, heterozygous and wild-type mice. Results provide insight into the molecular mechanisms underlying the effect of vitamin D on placental function.
2015-08-04 | GSE61583 | GEO
Project description:Total gene expression analysis was performed on RNA from testes extracted from two litters of constitutive homozygous and heterozygous H3f3b knockout mice compared to WT littermates. Constitutive knockout mice were obtained by mating H3f3b Fl/Fl mice to Zp3Cre mice. Heterozygous knockout mice were crossed until homozygous knockout mice were obtained. Testes were surgically removed from 8 week old homozygous knockouts, heterozygous knockouts and WT, and RNA was extracted from one testis from each mouse for total gene expression.
2014-07-31 | E-GEOD-35303 | biostudies-arrayexpress
Project description:A major task in dissecting the genetics of complex traits is to identify causal genes for disease phenotypes. We previously developed a method to infer causal relationships among genes through the integration of DNA variation, gene transcription, and phenotypic information. Here we validated our method through the characterization of transgenic and knockout mouse models of candidate genes that were predicted to be causal for abdominal obesity. Perturbation of eight out of the nine genes, with Gas7, Me1 and Gpx3 being novel, resulted in significant changes in obesity related traits. Liver expression signatures revealed alterations in common metabolic pathways and networks contributing to abdominal obesity and overlapped with a macrophage-enriched metabolic network module that is highly associated with metabolic traits in mice and humans. Integration of gene expression in the design and analysis of traditional F2 intercross studies allows high confidence prediction of causal genes, and identification of involved pathways and networks. This SuperSeries is composed of the following subset Series: GSE11991: Liver gene expression profiling of lipoprotein lipase heterozygous knockout mice GSE11992: Liver gene expression profiling of cytosolic malic enzyme knockout mice GSE11993: Liver gene expression profiling of zinc finger binding protein 90 (Zfp90) transgenic mice GSE11994: Liver gene expression profiling of transforming growth factor beta receptor 2 heterozygous knockout (Tgfbr2+/-) mice GSE11995: Liver gene expression profiling of complement component 3a receptor 1 knockout (C3ar1-/-) mice GSE11996: Gas7 male transgenic liver expression vs FVB male wildtype control GSE11997: Gpx3 male transgenic liver expression vs B6/DBA male wildtype control GSE11998: Gyk female heterozygous liver expression vs C57Bl/6J female wildtype control GSE11999: Lactb male transgenic liver expression vs FVB male wildtype control Refer to individual Series
2009-03-07 | E-GEOD-12000 | biostudies-arrayexpress
Project description:Immune checkpoint inhibitor (ICI) therapies revitalize anti-cancer responses by intercepting protein-protein interactions between exhausted CD8 T (Tex) cells and cancer cells (e.g. PD-1:PD-L1). However, up to 50% of patients receiving ICIs relapse, warranting further interrogation of the underpinnings of Tex. We conducted RNA-seq meta-analysis of Tex versus effector (Teff) mouse CD8 T cells, and highlighted NRF2 transcriptional targets as the most upregulated gene set in Tex cells. LCMV or cancer inoculation of mice bearing NRF2 hyperactive—or Keap1-/- (NRF2 negative regulator)—T cells demonstrated that NRF2 drives Tex; evidenced by increased co-inhibitory marker (PD-1/TIM-3) expression and reduced cytokine (IFN-g/Granzyme-B) production. RNA-seq of Keap1-/- highlight Ptgir—which encodes the prostacyclin lipid receptor— as the most upregulated gene versus WT T cells. Accordingly, PTGIR knockout in NRF2-hyperactive/ Tex cells decreased PD-1/TIM-3 expression, increased cytokine production, and attenuated tumor growth. Our data underscore PTGIR as a NRF2-regulated Tex driver and illuminate an unconventional immune checkpoint class potentially based on protein-lipid interactions
2025-04-25 | PXD052688 | Pride
Project description:<p><strong>BACKGROUND:</strong> SLE is a complex autoimmune disease with deleterious effects on various organs. Accumulating evidence has shown abnormal vitamin B12 and one-carbon flux contribute to immune dysfunction. Transcobalamin II (TCN2) belongs to the vitamin B12-binding protein family responsible for the cellular uptake of vitamin B12. The role of TCN2 in SLE is still unclear.</p><p><strong>METHODS:</strong> We collected clinical information and blood from 51 patients with SLE and 28 healthy controls. RNA sequencing analysis, qPCR and western blot confirmed the alteration of TCN2 in disease monocytes. The correlation between TCN2 expression and clinical features and serological abnormalities was analyzed. TCN2 heterozygous knockout THP1 cells were used to explore the effects of TCN2 dysfunction on monocytes. CCK-8 assay and EdU staining were used to detect cell proliferation. ELISA was conducted to assess vitamin B12, glutathione and cytokines changes. UHPLC-MRM-MS/MS was used to detect changes in the intermediates of the one-carbon cycle. Flow cytometry is used to detect cell cycle, ROS, mitoROS and CD14 changes.</p><p><strong>RESULTS:</strong> Elevated TCN2 in monocytes was correlated positively with disease progression and specific tissue injuries. Using CD14+ monocytes and TCN2 genetically modified THP1 cell lines, we found that the TCN2 was induced by LPS in serum from SLE patients. TCN2 heterozygous knockout inhibited cellular vitamin B12 uptake and one-carbon metabolism, leading to cell proliferation arrest and decreased Toll-like receptor 4 (TLR4)-mediated CCL2 release. Methionine cycle metabolites, s-adenosylmethionine and homocysteine, rescued these effects, whereas folate treatment proved to be ineffective. Folate deficiency also failed to replicate the impact of TCN2 downregulation on THP1 inflammatory response.</p><p><strong>CONCLUSION:</strong> Our study elucidated the unique involvement of TCN2-driven one-carbon flux on SLE-associated monocyte behavior. Increased TCN2 may promote disease progression and tissue damage by enhancing one-carbon flux, fostering monocyte proliferation and exacerbating TLR4 mediated inflammatory responses. The inhibition of TCN2 may be a promising therapeutic approach to ameliorate SLE.</p>
1970-01-01 | MTBLS9136 | MetaboLights