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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
TranscriptomicsMolecular phenotyping of multiple mouse strains under metabolic challenge uncovers Elovl2 as a novel regulator of glucose-induced insulin secretion
Defective insulin secretion by pancreatic β cells underlies the development of type 2 diabetes (T2D). High fat diet-fed mice are commonly used to study diabetes progression, but studies are usually limited to a single strain, such as C57Bl/6J. Here, we use a systems biology approach to integrate la...
ORGANISM(S): Mus musculus 
2017-04-28 | E-GEOD-78183 | biostudies-arrayexpress
TranscriptomicsRNA seq of pancreatic islets isolated from free fatty acid receptor 3 knockout (Ffar3 KO) and wildtype (Ffar3 WT) male mice
The short chain fatty acid (SCFA) receptor (free fatty acid receptor-3; FFAR3) is expressed in pancreatic beta cells; however, its role in insulin secretion is not clearly defined. Here, we examined the role of FFAR3 in insulin secretion. Using islets from global knockout FFAR3 (Ffar3-/-) mice, we e...
ORGANISM(S): Mus musculus 
2016-07-03 | E-GEOD-67991 | biostudies-arrayexpress
MetabolomicsGut Commensal Bacteria-Derived Methionine is Required for Host Reproduction by Modulating RNA m6A Methylation of the Insulin Receptor_targeted metabolites

Gut commensal bacteria promote host reproduction by modulating metabolism and nutrition, but the molecular mechanisms by which microbes regulate reproduction remain unclear. Here, we show that gut commensal bacteria promote host reproduction by providing amino-acid methionine, which controls the ...

2025-06-22 | MTBLS12470 | MetaboLights
TranscriptomicsThe G Protein-coupled Receptor P2Y14 Influences Insulin Release and Smooth Muscle Function in Mice
UDP-sugars were identified as extracellular signaling molecules, assigning a new function to these compounds in addition to their well defined role in intracellular substrate metabolism and storage. Previously regarded as an orphan receptor, the G protein-coupled receptor (GPCR) P2Y14 (GPR105) was f...
ORGANISM(S): Mus musculus 
2014-07-11 | E-GEOD-59285 | biostudies-arrayexpress
TranscriptomicsReduced insulin secretion in WFS1-deficient mice may be related to downregulation of Trpm5
Wolfram syndrome, an autosomal recessive disorder characterized by juvenile-onset diabetes mellitus and optic atrophy, is caused by mutations in the WFS1 gene. WFS1 encodes an endoplasmic reticulum resident transmembrane protein. The Wfs1-null mice exhibit progressive insulin deficiency and diabetes...
ORGANISM(S): Mus musculus 
2015-02-14 | E-GEOD-65929 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of wild type and Foxa2 knock out mouse mature beta cells
The winged helix transcription factor Foxa2 regulates Pdx1 gene expression and fetal endocrine pancreas development. We show here by inducible gene ablation that Foxa2 inactivation in mature beta-cells induces hyperinsulinemic hypoglycemia in Foxa2loxP/loxP, Pdx1-CreERT2 adult mice. Mutant beta-cell...
ORGANISM(S): Mus musculus 
2007-09-22 | E-CBIL-39 | biostudies-arrayexpress
TranscriptomicsHuman Insulin Resistance and Thiazolidinedione-Mediated Insulin Sensitization
Cellular and tissue defects associated with insulin resistance are coincident with transcriptional abnormalities and are improved after insulin sensitization with thiazolidinedione (TZD) PPAR? ligands. We transcriptionally profiled 364 biopsies gathered from 72 human subjects harvested before and af...
ORGANISM(S): Homo sapiens 
2010-05-17 | E-GEOD-13070 | biostudies-arrayexpress
GenomicsCheckpoint Kinase 2 Controls Insulin Secretion and Glucose Homeostasis
Checkpoint Kinase 2 Controls Insulin Secretion and Glucose Homeostasis
PRJNA998842 | ENA
TranscriptomicsGenome-wide Circadian Control of Transcription at Active Enhancers Regulates Insulin Secretion and Diabetes Risk
The molecular clock is a transcriptional oscillator present in brain and peripheral cells that coordinates behavior and physiology with the solar cycle. Here we reveal that the clock gates insulin secretion through genome-wide transcriptional control of the pancreatic exocyst across species. Clock t...
ORGANISM(S): Mus musculus 
2015-11-10 | E-GEOD-69889 | biostudies-arrayexpress
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