ComplexBrowser: A Tool for Identification and Quantification of Protein Complexes in Large-scale Proteomics Datasets

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Highlights

• •Automated analysis of protein complexes in proteomic experiments.
• •Quantitative measurement of the coordinated changes in protein complex components.
• •Interactive visualizations for exploratory analysis of proteomic results.

     

DECA,A Comprehensive,Automatic Post-processing Program for HDX-MS Data*

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Highlights

• •Open source software for comprehensive HDX-MS data analysis.
• •Automatic back-exchange correction options.
• •Rigorous statistical analysis of the significance of uptake differences.
• •High quality visualization tools.

     

Vascular Endothelial Receptor Tyrosine Phosphatase: Identification of Novel Substrates Related to Junctions and a Ternary Complex with EPHB4 and TIE2,

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Highlights

• •Identification of the substrates profile of the endothelial phosphatase VE-PTP.
• •A large fraction of VE-PTP substrate candidates (29%) is cell junction related.
• •Tie-2 and EPHB are substrates which associate as ternary complex with VE-PTP.

     

Macrophage Phosphoproteome Analysis Reveals MINCLE-dependent and -independent Mycobacterial Cord Factor Signaling

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Highlights

• •quantitative phosphoproteome analysis of TDM-activated macrophages.
• •distinct Mincle-dependent and independent phosphorylation and gene regulations.
• •Mincle-dependent activation of PI3K/AKT signaling by TDM.
• •Mincle-independent macrophage response is linked to cell cycle regulation.

     

Primary Human Natural Killer Cells Retain Proinflammatory IgG1 at the Cell Surface and Express CD16a Glycoforms with Donor-dependent Variability

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Highlights

• •Enough CD16a from NK cells can be isolated from a single donor following apheresis.
• •NK cell CD16a shows variability between different donors.
• •NK cells preferentially bind IgG1 that lacks core fucosylation.

     

Exploring Regulation of Protein O-Glycosylation in Isogenic Human HEK293 Cells by Differential O-Glycoproteomics

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Highlights

• •A panel of HEK293 isogenic cell lines with knockout of GALNT genes.
• •Identification of nonredundant O-glycosylation sites regulated by specific GalNAc-T isoforms.
• •GalNAc-T7 and T10 contribute to follow-up activity in regions of high density O-glycosylation.
• •GalNAc-T11 specifically controls O-glycosylation of specific linker regions in the low-density lipoprotein receptor related proteins.

     

Apolipoprotein A1 Forms 5/5 and 5/4 Antiparallel Dimers in Human High-density Lipoprotein

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Highlights

• •Zero-length chemical cross-linking of APOA1 peptides in HDL.
• •Cross-links match antiparallel isomers of APOA dimers in molecular modeling.
• •Identical MS/MS spectra of native and synthetic cross-linked peptides.
• •First biochemical evidence of LL5/5 and LL5/4 isomers in human HDL.

     

Sucrose-induced Receptor Kinase 1 is Modulated by an Interacting Kinase with Short Extracellular Domain,

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Highlights

• •Functional role of a yet uncharacterized receptor kinase QSK1.
• •Activation model for SIRK1 receptor kinase in a heteromer with QSK1.
• •Role of QSK1 in substrate recruitment and stabilization of the complex.

     

Proteomics of Asrij Perturbation in Drosophila Lymph Glands for Identification of New Regulators of Hematopoiesis

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Highlights

• •First report on the quantitative proteomic profiling of Drosophila lymph glands.
• •Comparative proteomic analysis under conditions of perturbed blood cell homeostasis.
• •Resource for identifying new regulators of insect and vertebrate hematopoiesis.

     

Metabolic,Anti-apoptotic and Immune Evasion Strategies of Primary Human Myeloma Cells Indicate Adaptations to Hypoxia*

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Highlights

• •In-depth proteome profiling of primary human myeloma cells
• •Characteristics of myeloma cells are related to hypoxic bone marrow conditions
• •Myeloma cells show specific immune evasion strategies
• •Metabolic adaptations involve tumor and stroma cells

     

Global Interactomics Uncovers Extensive Organellar Targeting by Zika Virus

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Highlights

• •BioID and IP-MS were conducted to generate a global ZIKV-host protein interactome
• •Interactome consists of >3000 high confidence ZIKV-host protein interactions
• •Data mining indicates that ZIKV proteins interact with multiple host cell organelles
• •An important role for peroxisomes in ZIKV infection is uncovered

     

Identification of Salivary Biomarkers for Oral Cancer Detection with Untargeted and Targeted Quantitative Proteomics Approaches

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Highlights

• •iTRAQ-based analysis of saliva samples from oral cancer patients.
• •Proteome profiling of saliva samples from patients with oral premalignant lesions.
• •Verification of salivary biomarker candidates with MRM-MS and immunoassays.
• •Identification of salivary proteins as potential biomarkers of oral cancer.

     

psims - A Declarative Writer for mzML and mzIdentML for Python

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Highlights

• •Incrementally build mzML 1.1, and mzIdentML 1.2 files in Python over a file stream.
• •Traverse controlled vocabularies using common mapping patterns.
• •Generate byte offset index as the document streams.
• •Manage referential integrity on-the-fly.

     

Unraveling Hidden Components of the Chloroplast Envelope Proteome: Opportunities and Limits of Better MS Sensitivity

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Highlights

• •Identification of previously undetected chloroplast envelope proteins.
• •Up to date manual annotation of genuine (or shared) envelope components.
• •New hypotheses for localizations, functions, interactions among cell compartments.
• •A new resource of significant value to the broader plant science community.

     

Temporal Proteomic Analysis of Pancreatic β-Cells in Response to Lipotoxicity and Glucolipotoxicity

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Highlights

• •Temporal proteome profiling of lipotoxicity and glucolipotoxicity in β-cells
• •Palmitate induced cholesterol metabolism earlier than fatty acid metabolism
• •Setd8 promotes palmitate + glucose-stimulated INS-1 cell proliferation
• •PA induced apoptosis partially via upregulation of Rhob in INS-1 cells

     

Bayesian Confidence Intervals for Multiplexed Proteomics Integrate Ion-statistics with Peptide Quantification Concordance,

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Highlights

• •Bayesian Beta-Binomial model integrates ion statistics with peptide ratio agreement.
• •Model appropriately interprets information from low signal peptides.
• •Confidence can be assigned even without replicates.
• •Model adds sensitivity to detection of small changes.

     

Integrated Identification and Quantification Error Probabilities for Shotgun Proteomics

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Highlights

• •Unified identification and quantification error rates for protein quantification.
• •Error propagation using graphical models and Bayesian statistics.
• •Account for uncertainty of missing values instead of overconfident point estimates.
• •Control of differential expression false discovery rate at increased sensitivity.

     

HLA-DO Modulates the Diversity of the MHC-II Self-peptidome

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Highlights

• •MHC-II-bound peptide repertoires from DO-sufficient and DO-deficient cells.
• •Fewer unique peptides and core epitopes were presented in the absence of DO.
• •Immunopeptidome differences appeared to result from reduced DM editing.
• •DO-dependent self-epitopes elicited CD4 T cell responses in mice.

     

Global Lysine Crotonylation and 2-Hydroxyisobutyrylation in Phenotypically Different Toxoplasma gondii Parasites

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Highlights

• •Quantitative proteomes and epigenetic regulation of T. gondii.
• •Protein crotonylation and 2-hydroxyisobutylation in phenotypically different T. gondii parasites.
• •Regulation of invasion regulation of T. gondii by protein modification.
• •Lysine crotonylation and 2-hydroxyisobutylation regulated in multiple biological processes in phenotypically different T. gondii parasites.