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MetabolomicsSerum protein N-glycosylation changes in multiple myeloma

BACKGROUND: Multiple myeloma is characterized by clonal proliferation of malignant plasma cells in the bone marrow that produce monoclonal immunoglobulins. N-glycosylation changes of these monoclonal immunoglobulins have been reported in multiple myeloma, but previous studies on...

2022-04-27 | MTBLS676 | MetaboLights
MetabolomicsProtein-metabolite interactomics of carbohydrate metabolism reveal regulation of lactate dehydrogenase

Metabolic networks are interconnected and influence diverse cellular processes. The protein-metabolite interactions that mediate these networks are frequently low affinity and challenging to systematically discover. We developed mass spectrometry integrated with equilibrium dialysis for the disco...

2023-08-07 | MTBLS7237 | MetaboLights
MetabolomicsPROMIS, global analysis of PROtein-Metabolite Interactions using Size separation in Arabidopsis thaliana
Small molecules not only represent cellular building blocks and metabolic intermediates, but also regulatory ligands and signaling molecules that interact with proteins. Although these interactions affect cellular metabolism, growth, and development, they have been largely understudied. Herein, we d...
2018-07-19 | MTBLS94 | MetaboLights
MetabolomicsDiagnostic Potential of Plasma IgG N-glycans in Discriminating Thyroid Cancer from Benign Thyroid Nodules and Healthy Controls

BACKGROUND: Novel biomarkers are urgently needed to distinguish between benign and malignant thyroid nodules and detect thyroid cancer in the early stage. The associations between serum IgG N-glycosylation and thyroid cancer risk have been revealed. We aimed to explore the potent...

2021-09-01 | MTBLS2935 | MetaboLights
MetabolomicsMicrobial liberation of N-methylserotonin from orange fiber in gnotobiotic mice and humans
Plant fibers in byproduct streams produced by non-harsh food processing methods represent biorepositories of diverse, naturally occurring, and physiologically active biomolecules. To demonstrate one approach for their characterization, mass spectrometry of intestinal contents from gnotobiotic mice, ...
2022-07-28 | MTBLS2331 | MetaboLights
MetabolomicsPTER is an N-acetyltaurine hydrolase that regulates feeding and obesity

Taurine is a conditionally essential micronutrient and one of the most abundant amino acids in humans1-3. In endogenous taurine metabolism, dedicated enzymes are involved in biosynthesis of taurine from cysteine as well as the downstream metabolism of secondary taurine metabolites4,5. One such ta...

2024-09-11 | MTBLS10408 | MetaboLights
MetabolomicsThe patatin-like protein PlpD forms novel structurally dynamic homodimers in the Pseudomonas aeruginosa outer membrane

Members of the Omp85 superfamily of outer membrane proteins (OMPs) found in Gram-negative bacteria, mitochondria and chloroplasts are characterized by a distinctive 16-stranded β-barrel transmembrane domain and at least one periplasmic POTRA domain. All previously studied Omp85 proteins promote c...

2025-12-08 | MTBLS9803 | MetaboLights
MetabolomicsIntegrating two chromatographies in a co-fractionation mass spectrometry approach improved protein-metabolite interactions (PMIs) mapping capabilities and revealed novel protein-ligand pairings in Escherichia coli.
The protein-metabolite interactome remains understudied. We previously developed a co-fractionation mass-spectrometry-based approach called PROMIS to address this gap. PROMIS relies on size separation chromatography of protein-metabolite complexes from lysates, followed by proteomics and metabolomic...
2025-04-25 | MTBLS9098 | MetaboLights
MetabolomicsThe GNMT N-terminus Couples Folate Feedback to Methyl-donor Homeostasis
Maintenance of S-adenosylmethionine (SAM) homeostasis is essential for methylation of biomolecules, nucleotide and polyamine synthesis, and redox balance. While all methyltransferases consume SAM, only a subset of highly tissue specific methyltransferases regulates methylation potential. Among them,...
2026-08-18 | MTBLS15161 | MetaboLights
MetabolomicsThe Bardet-Biedl protein Bbs1 controls photoreceptor outer segment protein and lipid composition

Summary

Primary cilia are key sensory organelles whose dysfunction leads to ciliopathy disorders such as Bardet-Biedl syndrome (BBS). Retinal degeneration is common in ciliopathies, since the outer segments (OSs) of photoreceptors are highly specialized primary cilia. BBS...

2022-02-18 | MTBLS4013 | MetaboLights
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