Quantitative Microproteomics Based Characterization of the Central and Peripheral Nervous System of a Mouse Model of Krabbe Disease

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Highlights

• •Quantitative microproteomics to study the CNS and PNS of the Twitcher mouse.
• •10plex TMT experiments on corpus callosum, motor cortex and sciatic nerves extracts.
• •More than 400 proteins groups deregulated between Twitcher and wildtype mice.
• •New insights into the molecular mechanisms of Krabbe disease.

     

Integrated Analysis of Transcriptomic,miRNA and Proteomic Changes of a Novel Hybrid Yellow Catfish Uncovers Key Roles for miRNAs in Heterosis

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Highlights

• •mRNA-seq, miRNA-seq, proteomes of P. fulvidraco, P. vachelli, hybrid Huangyou-1.
• •Predicted miRNA-mRNA-protein pairs were found and validated by qRT-PCR and PRM.
• •Immune, metabolism, digestion, absorption, proliferation, development generate heterosis.
• •High parental gene/protein with low parental miRNAs inherit from the mother or father.

     

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.

     

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.

     

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

     

Knockout of the Hmt1p Arginine Methyltransferase in Saccharomyces cerevisiae Leads to the Dysregulation of Phosphate-associated Genes and Processes

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Highlights

• •Knockout of arginine methyltransferase Hmt1p in S. cerevisiae was investigated.
• •RNA-seq and SILAC MS/MS found downregulation of phosphate-associated processes.
• •Phosphate homeostasis and extracellular levels of acid phosphatases were perturbed.
• •Pho4p was an in vitro Hmt1p substrate, but this was not confirmed in vivo.

     

Multidimensional Proteomics Identifies Declines in Protein Homeostasis and Mitochondria as Early Signals for Normal Aging and Age-associated Disease in Drosophila,

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Highlights

• •Proteomic landscapes of Drosophila somatic and reproductive tissues during aging.
• •Pulsed metabolic labeling determines a decline in protein synthesis with age.
• •Drosophila model of human Parkinson's disease signifies an early-onset decline in protein synthesis.
• •Collapse of proteostasis and mitochondria are early signals for normal aging.

     

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.

     

Immunomic Identification of Malaria Antigens Associated With Protection in Mice

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Highlights

• •Production of sera with different levels of protection against rodent Plasmodium.
• •Generation of immunomic and proteomic data sets enriched in protective antigens.
• •Prediction of the most likely protective antigens using a weighted scoring system.

     

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.

     

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.

     

MaxQuant.Live Enables Global Targeting of More Than 25,000 Peptides

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Highlights

• •MaxQuant.Live controls Orbitrap mass analyzers in real-time.
• •Freely available apps enable advanced data acquisition strategies.
• •On-the-fly mass, retention time and intensity recalibration.
• •Global targeting unifies shotgun and targeted proteomics.

     

Why Glycosylation Matters in Building a Better Flu Vaccine

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Highlights

• •Glycosylation is not currently considered in flu vaccine design.
• •Glycosylation influences on immunodominance are not well understood.
• •Identification of site-specific glycosylation using mass spectrometry has matured.
• •New methods are needed to quantify site-specific glycosylation for vaccine design.

     

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.

     

Global Proteome and Ubiquitinome Changes in the Soluble and Insoluble Fractions of Q175 Huntington Mice Brains

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Highlights

• •Quantitative changes in global proteome and ubiquitinome in Huntington's disease.
• •Differential ubiquitination of wild-type and mutant Htt in mice brain.
• •Enriched pathways include vesicle transport and mRNA processing.
• •Correlation between protein and diGly site fold changes.

     

Common Metabolic Pathways Implicated in Resistance to Chemotherapy Point to a Key Mitochondrial Role in Breast Cancer,

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Highlights

• •OMICS distinguish cancer cells from resistant or cancer stem cells.
• •Bactericidal antibiotics and mitochondria.
• •Linezolid and anticancer therapy.

     

Chromobodies to Quantify Changes of Endogenous Protein Concentration in Living Cells

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Highlights

• •Chromobodies are stabilized by antigen binding in live cells.
• •Monitoring changes of endogenous protein levels in living cells with chromobodies.
• •Broadly applicable system to generate turnover-accelerated chromobodies.
• •Quantification of time- and dose-dependent compound effects.

     

Sample Preparation Scale-Up for Deep N-glycomic Analysis of Human Serum by Capillary Electrophoresis and CE-ESI-MS*

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Highlights

• •Efficient sample preparation workflow for deep N-glycomics analysis from serum.
• •Temperature gradient denaturing protocol to prevent protein precipitation.
• •Decrease of free sugar content in serum enhanced PNGase F digestion efficiency.
• •Modified evaporative labeling method increased fluorophore labeling yield.

     

High-throughput Identification of FLT3 Wild-type and Mutant Kinase Substrate Preferences and Application to Design of Sensitive In Vitro Kinase Assay Substrates

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Highlights

• •Developed a data processing pipeline to format phosphopeptide identifications.
• •Identified the preferred substrate motif for FLT3 and mutant kinases.
• •Designed and validated a panel of pan-FTL3 artificial substrates.
• •Monitored FLT3 and mutant kinase activity through FAStide phosphorylation.