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MetabolomicsLysosomal Acidity and Cathepsin L Activate Eosinophils via ARG1-Mediated Arginine Metabolism in Allergic Airway Inflammation

Eosinophils are the predominant immune cells implicated in the pathogenesis of asthma, highlighting the need for strategies to mitigate their effects. While previous studies have indicated a potential relationship between lysosomes and eosinophils, the precise role of lysosomes in eosinophil acti...

2025-09-15 | MTBLS13001 | MetaboLights
MetabolomicsCyclooxygenase-2, Asymmetric Dimethylarginine, and the Cardiovascular Hazard From Nonsteroidal Anti-Inflammatory Drugs (Murine and human plasma quantitative L-arginine and methylarginines UPLC-MS/MS assay)

BACKGROUND: Large-scale, placebo-controlled trials established that nonsteroidal anti-inflammatory drugs confer a cardiovascular hazard: this has been attributed to depression of cardioprotective products of cyclooxygenase (COX)-2, especially prostacyclin. An alternative mechanis...

2019-08-22 | MTBLS685 | MetaboLights
MetabolomicsComparative LC/MS-based profiling of L-arginine producing, canavanine resistant Corynebacterium glutamicum strain ATCC 21831 and type strain ATCC 13032
Corynebacterium glutamicum strain ATCC 21831 is a producer of L-arginine that was created by random mutagenesis. It is resistant to the arginine structural analogue canavanine. In order to identify potential bottlenecks in the biosynthetic pathway that leads to this industrially important amino acid...
2015-10-06 | MTBLS128 | MetaboLights
MetabolomicsL-Citrulline and L-arginine regulate the reproductive performance of young and adult cows through distinct metabolic pathways and the shared pyrimidine metabolic pathway respectively

(Background)To investigate the impact of L-arginine (L-Arg) and L-citrulline (L-Cit) on cow reproductive performance.(Methods) 90 healthy, age-matched Simmental cows were randomly assigned to three groups: control, L-Arg, and L-Cit, with 30 cows per group. Estrus synchronization was performed, an...

2025-07-05 | MTBLS12682 | MetaboLights
MetabolomicsNLRP3 Senses L-Arginine to Inhibit Inflammasome Activation and Alleviate Parkinson’s disease Pathology

We screened a series of metabolites and found that L-Arg strongly inhibits NLRP3 inflammasome assembly in vitro. Mechanistically, L-Arg directly binds the D31 site of NLRP3, blocking NLRP3-ASC interaction and subsequent inflammasome assembly. This discovery establishes NLRP3 as a direct sensor fo...

2026-09-02 | MTBLS13737 | MetaboLights
MetabolomicsGut-Muscle Axis Regulates Meat Quality in Lambs: Rumen Microbiota-Differentiated L-Arginine and Serotonin Signaling Mediates Muscle Lipid Remodeling

This study investigated age-associated changes in the gut-muscle axis and their potential contribution to meat quality in Tan sheep (Ovis aries). Twelve Tan sheep were divided into two age groups, including six 3-month-old animals (T3) and six 6-month-old animals (T6). Untargeted LC-MS metabolomi...

2026-09-03 | MTBLS15419 | MetaboLights
MetabolomicsImpact Of High Sugar Diet On L-Arginine Metabolism In The Lung (part I)
Not available
ORGANISM(S): Mus musculus 
ST000419 | MetabolomicsWorkbench
MetabolomicsImpact Of High Sugar Diet On L-Arginine Metabolism In The Lung (part II)
Not available
ORGANISM(S): Mus musculus 
ST000604 | MetabolomicsWorkbench
TranscriptomicsExpression data from murine colon tissue after exposure to 4% DSS for 6 days DSS followed by 4 days of water or 1% L-arginine
L-Arginine (L-Arg) is the substrate for both inducible nitric oxide synthase and arginase, which are upregulated in human IBD and in mouse colitis models. We have found that L-Arg supplementation enhances wound restitution in vitro, and improves the clinical parameters of weight loss, survival, and ...
ORGANISM(S): Mus musculus 
2012-06-26 | E-GEOD-34874 | biostudies-arrayexpress
TranscriptomicsCharacterization of Gene Expression in ASS1-Deficient Breast Cancer Cells
Analysis of mechanism underlying the metabolic effects of ADI-PEG20 at gene expression level. The hypothesis tested in the present study was that ASS1-deficient breast cancer cells would be arginine-auxotrophs and would therefore be sensitive to arginine starvation. Results provide important informa...
ORGANISM(S): Homo sapiens 
2014-05-20 | E-GEOD-53838 | biostudies-arrayexpress
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