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MetabolomicsUltra-High Mass Resolving Power, Mass Accuracy, and Dynamic Range MALDI Mass Spectrometry Imaging by 21-T FT-ICR MS

Detailed characterization of complex biological surfaces by matrix-assisted laser desorption/ionization (MALDI) mass spectrometry imaging (MSI) requires instrumentation that is capable of high mass resolving power, mass accuracy and dynamic range. Fourier transform ion cyclotron resonance mass sp...

2022-01-28 | MTBLS3154 | MetaboLights
TranscriptomicsArray results for differential gene expression in 661W, a mouse cone photoreceptor-derived cell line, comparing cells incubated with vehicle controls vs. those treated with either of two 7-dehdyrocholesterol-derived oxysterols or cholesterol
RELEVANCE: Smith-Lemli-Opitz syndrome (SLOS) is a human disease caused by mutations in the gene coding for the enzyme DHCR7 (7-dehydrocholesterol (7DHC) reductase), which catalyzes the final step of cholesterol biosynthesis. Accumulated 7DHC in tissues and body fluids of SLOS patients gives rise t...
ORGANISM(S): Mus musculus 
2021-03-20 | E-MTAB-10055 | biostudies-arrayexpress
TranscriptomicsRetrotransposon Ty1 integration targets specifically positioned asymmetric nucleosomal DNA segments in tRNA hotspots
Using a TIP-seq protocol (specifically isolating transposon insertion junctions) we determined that the Ty1 retrotransposon targets tRNA genes and, in particular, we determined that the transposon inserts into nucleosomal DNA in an asymmetric pattern. TIP-seq recovery of transposon insertion junctio...
ORGANISM(S): Saccharomyces cerevisiae 
2012-01-01 | E-GEOD-33986 | biostudies-arrayexpress
MetabolomicsProteomic and metabolomic profiling of extracellular vesicles produced by human gut archaea

Gastrointestinal bacteria interact with the host and each other through various mechanisms, including the production of extracellular vesicles (EVs). However, the composition and potential roles of EVs released by gut archaea are poorly understood. Here, we study EVs produced by four strains of h...

2025-07-01 | MTBLS12422 | MetaboLights
MetabolomicsMetabolomics Analysis Reveals Tissue-Specific Metabolite Compositions in Leaf Blade and Traps of Carnivorous Nepenthes Plants
Nepenthes is a genus of carnivorous plants that evolved a pitfall trap, the pitcher, to catch and digest insect prey to obtain additional nutrients. Each pitcher is part of the whole leaf, together with a leaf blade. These two completely different parts of the same organ were studied separately in a...
2020-07-10 | MTBLS1783 | MetaboLights
TranscriptomicsCholesterol's effect on M. tuberculosis
2 experiments: (1) Mtb, Tween vs Cholesterol at 3 & 24hrs (2) CDC1551 vs kstR mutant of CDC1551, with and w/o Cholesterol In triplicate, dye flips included.
ORGANISM(S): Mycobacterium tuberculosis 
2010-06-20 | E-GEOD-13978 | biostudies-arrayexpress
TranscriptomicsLNCaP prostate cancer cell lines overexpressing wild-type or GARRPR-mutant Bag-1L
The BF-3 pocket of the androgen receptor (AR) has been identified as an allosteric modulator of the transactivation function of the AR. We now demonstrate that a duplicated GARRPR motif at the N-terminus of the cochaperone Bag-1L functions through this BF-3 domain. Amino acid exchanges in these two ...
ORGANISM(S): Homo sapiens 
2014-02-18 | E-GEOD-51524 | biostudies-arrayexpress
TranscriptomicsExpression analysis of Aspergillus oryzae grown on different carbon sources
In this study, we focused on chemically defined inducers or substrates to drive expression of cellulases, hemicellulases and accessory enzymes in the model filamentous fungus Aspergillus oryzae. Cellohexaose (O-CHE), mannohexaose (O-MHE), xylopentaose (O-XPE), arabinoheptaose (O-AHP), 1,3:1,4-M-NM-2...
ORGANISM(S): Aspergillus oryzae RIB40 
2013-07-15 | E-GEOD-48864 | biostudies-arrayexpress
ProteomicsIdentification of proteins differentially associated with SARS CoV-2 subgenomic RNAs
We characterize the specific protein interactomes of 3 SARS sgRNAs (S, N, and ORF8) as well as the gRNA at two time points, 8- and 24- hours. These two timepoints were selected to capture early viral infection when RNA synthesis is just beginning, and viral replication is being established, as well ...
ORGANISM(S): Homo sapiens (Human) 
2023-07-30 | PXD040147 | Pride
Viral Proteomics S rna Mass spectrometry N rna Rna-protein interactions Rna metabolism Grna Interactome Sars cov-2 Hybridization Orf8 rna Rna binding proteins 
MetabolomicsAn LCMS-based untargeted metabolomics protocol for cochlear perilymph: highlighting metabolic effects of hydrogen gas on the inner ear of noise exposed Guinea pigs

INTRODUCTION: Noise-induced hearing loss (NIHL) is an increasing problem in society and accounts for a third of all cases of acquired hearing loss. NIHL is caused by formation of reactive oxygen species (ROS) in the cochlea causing oxidative stress. Hydrogen gas (H2) ...

2021-10-06 | MTBLS2418 | MetaboLights
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