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MetabolomicsFFAR4-mediated IL-6 release from islet macrophages promotes insulin secretion and is compromised in type-2 diabetes

The function of islet macrophages is poorly understood. They promote glucose-stimulated insulin secretion (GSIS) in lean mice, however, the underlying mechanism has remained unclear. We show that activation of the free fatty acid receptor FFAR4 on islet macrophages leads to interleukin-6 (IL-6) r...

2026-08-19 | MTBLS12317 | MetaboLights
MetabolomicsA neurotoxic cellular stress response linked to dark microglia and toxic lipid secretion

Microglia, the brain’s primary resident immune cells, can assume various phenotypes with diverse functional outcomes on brain homeostasis. In Alzheimer’s disease (AD), where microglia are a leading causal cell type, the identity of microglia subsets that drive neurodegeneration remains unresolved...

2024-12-20 | MTBLS11942 | MetaboLights
MetabolomicsMetabolic alterations in immune cells associate with progression to type 1 diabetes

AIMS: Previous metabolomics studies suggest that type 1 diabetes is preceded by specific metabolic disturbances. The aim of this study was to investigate whether distinct metabolic patterns occur in peripheral blood mononuclear cells (PBMCs) of children who later develop pancreat...

2020-08-10 | MTBLS1015 | MetaboLights
MetabolomicsUntargeted Metabolomics of the enthesis interstitial fluid of wild-type and Nlrp3-/- mice with sham operation and injury post 7 days
In order to investigate the effect of the NLRP3 inflammasome on the regeneration of enthesis, we established an enthesis injury and repair model in wild-type and NLRP3-/- mice. The interstitial fluid of enthesis was extracted, and untargeted metabolomics was conducted to discover differential metabo...
2025-07-08 | MTBLS12150 | MetaboLights
MetabolomicsA metabolomic study of urinary changes in type 2 diabetes in human compared to the control group
Type 2 diabetes mellitus is the result of a combination of impaired insulin secretion with reduced insulin sensitivity of target tissues. There are an estimated 150 million affected individuals worldwide, of whom a large proportion remains undiagnosed because of a lack of specific symptoms early in ...
2012-02-14 | MTBLS1 | MetaboLights
ProteomicsStoichiometry of the bacterial type III secretion export apparatus
Bacterial type III secretion systems are cell envelope-spanning effector protein-delivery machines essential for colonization and survival of many Gram-negative pathogens and symbionts. The membrane-embedded core unit of these secretion systems is termed needle complex. The needle complex is compose...
ORGANISM(S): Salmonella enterica subsp. enterica serovar Typhimurium str. SL1344 
2016-02-25 | PXD003113 | Pride
Mass spectrometry Stoichiometry Salmonella Type iii secretion 
MetabolomicsSerum metabolomic profile in children with type 1 diabetes mellitus: an exploratory targeted metabolomics study of candidate discriminatory features
Background: Type 1 diabetes mellitus (T1DM) is an increasingly common chronic disease caused by autoimmune damage to pancreatic beta cells. Metabolomic profiling may provide insights into metabolic disturbances associated with T1DM and identify candidate biomarkers. Methods: The study included 29 ch...
2026-09-22 | MTBLS15768 | MetaboLights
MetabolomicsCell type-specific proteomics uncovers a RAF15-SnRK2.6/OST1 kinase cascade in guard cells

Multicellular organisms such as plants contain various cell types with specialized functions. Analyzing the characteristics of each cell type reveals specific cell functions and enhances our understanding of organization and function at the organismal level. Guard cells (GCs) are specialized epid...

2024-09-03 | MTBLS3997 | MetaboLights
MetabolomicsInorganic Carbon Limitation in Cells of the Wild Type and Photorespiratory Mutants of the Cyanobacterium Synechocystis sp. Strain PCC 6803
The amount of inorganic carbon represents one of the main environmental factors determining productivity of photoautotrophic organisms. Using the model cyanobacterium Synechocystis sp. PCC 6803, we performed a first metabolome study with cyanobacterial cells shifted from high CO2 (5% in air) into co...
2015-09-14 | MTBLS5 | MetaboLights
TranscriptomicsRole assessment of the type VI secretion systems during disease interactions of Erwinia amylovora with its plant host by comparing the in planta and in vitro RNA-seq transcriptomes of wildtype CFBP 1430 and its T6SS double mutant (T6-d1d3)
To assess the contribution of type VI secretion systems to virulence and potential transcriptomic changes of E. amylovora CFBP 1430, a double mutant in two structural genes was generated (T6-d1d3). An in vitro RNA-seq transcriptome comparison of the wildtype to the T6-d1d3 mutant was made by growing...
ORGANISM(S): Erwinia amylovora 
2017-08-07 | E-MTAB-5444 | biostudies-arrayexpress
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