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Matrix effect from various constituents in biological samples can reduce the accuracy of quantitative metabolomics. Differential chemical isotope labeling liquid chromatography mass spectrometry (CIL LC-MS) can overcome the matrix effect on MS detection based on measuring the intensity ratios of met...
2015-07-01 | MTBLS194 | MetaboLights
We developed a software for extraction of protein decay rate constants from heavy water labeling followed by LC-MS experiments. We illustrate the program on application to normal diet and western diet fed LDLR-/- mice. We demonstrate that proteins subunits of 40S ribosomal complex have reduced stabi...
ORGANISM(S): Mus musculus (Mouse) 
2019-04-10 | PXD009493 | Pride

Global metabolomics study of the amine and carboxyl submetabolomes of 16 human fecal samples.

2026-09-23 | MTBLS13531 | MetaboLights
Studying the flow of chemical moieties through the complex set of metabolic reactions that happen in the cell is essential to understanding the alterations in homeostasis that occur in disease. Recently, LC/MS-based untargeted metabolomics and isotopically labeled metabolites have been used to facil...
2015-09-15 | MTBLS213 | MetaboLights
Both labelling studies were conducted with C57/BL6J adult male mice, derived from the same supplier and maintained under identical conditions. Eleven adult male C57BL/6JOlaHsd mice (Harlan UK Ltd., Shardlow, UK) of over 12 months of age at the start of the experiment were housed individually in 48 x...
ORGANISM(S): Mus Musculus (mouse) 
Background: The high number of heavy metal resistance genes in the soil bacterium Cupriavidus metallidurans CH34 makes it an interesting model organism to study microbial responses to heavy metals. Results: In this study the transcriptional response of this bacterium was measured after challenging i...
ORGANISM(S): Cupriavidus metallidurans CH34 
Control subjects and type 2 diabetic patients were given deuterium-labeled (heavy) water for a seven-day period and their plasma serum proteins were analyzed by high-resolution mass spectrometry. Using an in-house-developed software, fractional synthesis rates were calculated for proteins of interes...
ORGANISM(S): Homo sapiens (Human) 
2017-11-02 | PXD005755 | Pride
Water soluble carbohydrates (WSC, composed of mainly fructans, sucrose, glucose and fructose) deposited in wheat stems are important carbon sources for grain filling. Variation in stem WSC concentrations among wheat genotypes is one of the genetic factors influencing grain weight and yield under wat...
ORGANISM(S): Triticum aestivum 
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