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ProteomicsCross-linking mass spectrometry uncovers protein interactions and functional assemblies in synaptic vesicle membranes
Synaptic vesicles are storage organelles for neurotransmitters in the pre-synaptic cytosol. When an action potential arrives at the pre-synaptic terminal, they fuse with the pre-synaptic membrane and neurotransmitters are released. In this project, we set out to study the protein interactions formed...
ORGANISM(S): Rattus norvegicus (Rat) 
2020-12-09 | PXD020859 | Pride
Chemical cross-linking Mass spectrometry Protein networks Synaptic vesicles Synaptophysin Synaptobrevin-2 
ProteomicsViral immune evasions differentially impact cell surface presentation of MHC I allomorphs already at the peptide-loading complex
The transporter associated with antigen processing (TAP) translocates peptides from the cytosol into the endoplasmic reticulum (ER) where they are loaded onto major histocompatibility class I (MHC I) molecules. Stable peptide-MHC I complexes travel to the cell surface and present their antigenic car...
ORGANISM(S): Homo sapiens (Human) 
2022-02-17 | PXD027408 | Pride
Er quality control Major histocompatibility complex class i Mass spectrometry Mhc i biogenesis Viral immune evasion Peptide-loading complex 
ProteomicsQuantitative proteomics and in-cell cross-linking reveal cellular reorganisation during early neuronal differentiation of SH-SY5Y cells
The proteomes of undifferentiated and differentiated SH-SY5Y cells are characterised and compared. For this, neuronal differentiation using retinoic acid (RA) or a combination of RA and phorbol-12-myristat-13-acetate (RA/PMA) was explored. An MS-based label-free quantification approach is applied to...
ORGANISM(S): Homo sapiens (Human) 
2022-04-08 | PXD031054 | Pride
Proteomics Chemical cross-linking Mass spectrometry Protein networks Actin Sh-sy5y 
ProteomicsMass Spectrometry Uncovers Protein Interactions and Stoichiometry of Intermediates and Sub-complexes for SNARE Complex Assembly
The neuronal SNARE complex assembles from vesicular Synaptobrevin-2 as well as Syntaxin-1 and SNAP25 anchored to the presynaptic membrane. It mediates fusion of synaptic vesicles with the presynaptic plasma membrane resulting in exocytosis of neurotransmitters into the synaptic cleft. While the gene...
ORGANISM(S): Rattus norvegicus (Rat) 
2023-01-25 | PXD030619 | Pride
Native mass spectrometry Chemical cross-linking Snare complex Complexin-1 Signal transmission in neurons 
ProteomicsCross-linking of the human MHC-I peptide-loading complex
The peptide-loading complex (PLC) is a transient, multisubunit membrane complex in the endoplasmic reticulum (ER), essential for establishing a hierarchical immune response. The PLC coordinates peptide translocation into the ER with loading and editing of major histocompatibility complex class I mol...
ORGANISM(S): Homo sapiens (Human) 
2017-11-07 | PXD007928 | Pride
Cross-linking Cryo-electron microscopy Structure Mhc-i peptide-loading complex 
ProteomicsPolydisperse molecular architecture of connexin 26/30 heteromeric hemichannels revealed by AFM imaging
Gap junctions are arrays of intercellular channels formed by two hemichannels docked end-to-end. Each hemichannel is a hexamer containing the same or different connexin (Cx) isoform. While homomeric Cxs forms have been largely described functionally and structurally, lesser is known about heteromeri...
ORGANISM(S): Homo sapiens (Human) 
2020-09-04 | PXD020633 | Pride
Lc-ms/ms Connexin 
ProteomicsEvaluation of NHS-Acetate and DEPC labelling for determination of solvent accessible amino acid residues in protein complexes
The structural analysis of proteins and protein complexes is key for understanding their function and regulation. In order to gain structural information, we examined protein surface labelling using NHS-Acetate and DEPC following an MS-based workflow. Using two model proteins we characterise the obt...
ORGANISM(S): Oryctolagus cuniculus cuniculus Saccharomyces cerevisiae (Baker's yeast) 
2020-05-05 | PXD015940 | Pride
Diethylpyrocarbonate N-hydroxysuccinimidyl acetate Mass spectrometry Neutral loss Chemical labelling Solvent accessible surface area Labelling percentage 
ProteomicsAssembly defects of the human tRNA splicing endonuclease contribute to impaired pre-tRNA processing in pontocerebellar hypoplasia
To gain functional insights into human TSEN/CLP1, we designed an expression vector series based on the MultiBac system that allows combinatorial protein complex production in insect and mammalian cells by utilizing a CMV/p10 dual promoter. Using this system, we were able to assemble and purify funct...
ORGANISM(S): Homo sapiens (Human) 
2021-06-17 | PXD019034 | Pride
Tsen Lc-ms/ms 
UnknownDirect interaction between TDP-43 and Tau promotes their co-condensation, while suppressing Tau fibril formation and seeding
Not available
S-SCDT-10_1038-S44318-025-00590-2 | biostudies-other
UnknownEfficacy and safety of intramuscular administration of tixagevimab-cilgavimab for early outpatient treatment of COVID-19 (TACKLE): a phase 3, randomised, double-blind, placebo-controlled trial.
Not available
S-EPMC9173721 | biostudies-literature
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