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MetabolomicsOptimizing Deconvolution of Chimeric Fragmentation Spectra to reveal molecular structures of complex biological mixtures

Direct infusion mass spectrometry (DI-MS) offers a rapid, high-throughput analysis and, compared to liquid chromatography MS (LC-MS), a different analytical window into the composition of complex biological samples. However, the lack of chromatographic separation in DI-MS results in highly comple...

MTBLS13066 | MetaboLights
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
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
MetabolomicsFatty acid transport protein 4 is required for incorporation of saturated ultralong-chain fatty acids into epidermal ceramides and monoacylglycerols
Fatty acid transport protein 4 (FATP4) is an acyl-CoA synthetase that is required for normal permeability barrier in mammalian skin. FATP4 (SLC27A4) mutations cause ichthyosis prematurity syndrome, a nonlethal disorder. In contrast, Fatp4-/- mice die neonatally from a defective barrier. H...
2021-07-15 | MTBLS1138 | MetaboLights
MetabolomicsLow-Protein Diet Enhances Anti-Tumor Immunity in Pancreatic Cancer through Microbiota-Derived Uridine Diphosphate-Galactose
Low-protein diets (LPD) have been linked to improved metabolic health, but their role in pancreatic ductal adenocarcinoma (PDAC) immunotherapy remains unclear. Here we show that an LPD suppresses PDAC progression in male mice by remodeling the gut microbiota and activating anti-tumor immunity. LPD p...
2026-07-09 | MTBLS14989 | MetaboLights
MetabolomicsCharacterization of Whole Blood EVs Using PRotein Organic Solvent PRecipitation

Blood plays a vital role in diagnostic medicine by providing essential information for assessing health and diagnosing various conditions. Routine blood tests can reveal important biomarkers that support early diagnosis and timely intervention. Recently, extracellular vesicles (EVs) have emerged ...

2026-08-24 | MTBLS12801 | MetaboLights
TranscriptomicsA DNA polymerase ? accessory protein, Mcl1, is required for propagation of centromere structures in fission yeast
Specialized chromatin exists at centromeres and must be precisely transmitted during DNA replication. The mechanisms involved in the propagation of these structures remain elusive. Fission yeast centromeres are composed of two chromatin domains: the central CENP-ACnp1 kinetochore domain and flanking...
ORGANISM(S): Schizosaccharomyces pombe 
2008-07-22 | E-GEOD-11102 | biostudies-arrayexpress
GenomicsG-Quadruplex structures are stable and detectable in human genomic DNA.
The G-quadruplex is an alternative DNA structural motif that is considered to be functionally important in the mammalian genome. Herein, we address the hypothesis that G-quadruplex structures can exist within double-stranded genomic DNA using a G-quadruplex-specific probe. An engineered antibody is ...
ORGANISM(S): Homo sapiens 
2013-05-08 | E-GEOD-45241 | biostudies-arrayexpress
TranscriptomicsGenome-wide probing of RNA structure reveals active unfolding of mRNA structures in vivo
We present an approach for globally monitoring RNA structure in native conditions in vivo with single nucleotide precision. This method is based on in vivo modification with dimethyl sulfate (DMS), which reacts with unpaired adenine and cytosine residues9, followed by deep sequencing to monitor modi...
ORGANISM(S): Homo sapiens 
2013-12-15 | E-GEOD-45803 | biostudies-arrayexpress
ProteomicsA Tyrosine Reactive Cross-Linker for Probing Protein 3D Structures
Cross-linking mass spectrometry (XL-MS) has made significant progress in understanding the structure of protein and elucidating architectures of larger protein complexes. Current XL-MS applications are limited to targeting lysine, glutamic acid, aspartic acid, and cysteine residues. There remains a ...
ORGANISM(S): Homo Sapiens 
2020-10-22 | PXD022121 |
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