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

     

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.

     

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.

     

Mapping Spatiotemporal Microproteomics Landscape in Experimental Model of Traumatic Brain Injury Unveils a link to Parkinson's Disease,

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Highlights

• •Spatiotemporal microproteomics analysis of TBI.
• •Injury site microproteomics reveal distinct phases in 10-day frame post TBI.
• •Uninjured proteomic profile is restored in TBI at 10 days post injury.
• •Substantia nigra protein post 3 days suggest link to Parkinson's disease.

     

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.

     

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.

     

Chasing Tails: Cathepsin-L Improves Structural Analysis of Histones by HX-MS,

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Highlights

• •Cathepsin-L is introduced as a novel protease for HX-MS studies.
• •Cathepsin-L improves resolution of traditionally challenging histone tails.
• •Cathepsin-L can be readily combined with pepsin for improved protein coverage.
• •In-solution dynamics of the H3.1 and H4 monomers reveal extensive EX1 kinetics.

     

A New Tool to Reveal Bacterial Signaling Mechanisms in Antibiotic Treatment and Resistance

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Highlights

• •Quantitative (phospho)proteome analysis of antibiotic treatment in E. coli.
• •Largest bacterial phosphorylation catalogue.
• •Specific phosphorylation motifs changes during resistance development.
• •Phosphorylation mediated signaling could be a potential target for drug design.

     

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.

     

The Systemin Signaling Cascade As Derived from Time Course Analyses of the Systemin-responsive Phosphoproteome,

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Highlights

• •Definition of early systemin-responsive phosphorylation time course.
• •Reconstruction of kinase-substrate relationships from phosphorylation time profiles.
• •Phosphatase PLL5 rapidly dephosphorylated H⁺-ATPase LHA1 inducing alkalinization of the medium.
• •MAP-Kinase MPK2 re-phosphorylated LHA1 after 15 minutes.

     

Analysis of Endogenous Peptides Released from Osteoarthritic Cartilage Unravels Novel Pathogenic Markers,

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Highlights

• •Shotgun identification of neopeptides released from osteoarthritic cartilage.
• •Specific endogenous peptides from the cartilage ECM are measured by MRM.
• •Identification of neopeptides differentially generated from diseased tissue.
• •The peptide DSNKIETIPN shows the best metrics as biomarker of OA cartilage.

     

Effects of Size and Geographical Origin on Atlantic salmon,Salmo salar,Mucin O-Glycan Repertoire

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Highlights

• •Atlantic salmon O-glycome expanded to 169 structures in three epithelia.
• •Low interindividual variation amongst all populations and geographical regions.
• •Small variations in glycosylation between geographical locations and fish size.
• •Prominent fucosylation in gastrointestinal mucins from Tasmanian fish.

     

Comprehensive Analysis of Individual Variation in the Urinary Proteome Revealed Significant Gender Differences

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Highlights

• •Comprehensive analysis of inter-individual variation of normal urinary proteome.
• •Significant gender differences were observed.
• •Proteins increased in female urine are enriched in immunological pathways.
• •Estimated reference intervals of proteins as the baseline for biomarker discovery.

     

TMT Labeling for the Masses: A Robust and Cost-efficient,In-solution Labeling Approach

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Highlights

• •TMT labeling protocol with excellent intra- and interlaboratory reproducibility.
• •Complete in-solution labeling of peptides using 1/8 of recommended TMT quantities.
• •Demonstration of utility for deep-scale (phospho)proteome analysis.

     

Proteomic Profiling of Paired Interstitial Fluids Reveals Dysregulated Pathways and Salivary NID1 as a Biomarker of Oral Cavity Squamous Cell Carcinoma,

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Highlights

• •Proteome profiling of tissue interstitial fluids (TIFs) of oral cancer.
• •Pathway of aminoacyl tRNA biosynthesis enriched in proteome of TIFs.
• •Verification of nidogen-1 as a salivary biomarker of oral cancer.
• •High correlation between elevated tissue level of nidogen-1 and poor survival.

     

Small-protein Enrichment Assay Enables the Rapid,Unbiased Analysis of Over 100 Low Abundance Factors from Human Plasma

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Highlights

• •Development of a method for low-abundance small protein analysis in human plasma.
• •Deep proteome profiling demonstrated unbiased identification of diverse factors.
• •Method enabled identification of a novel human plasma protein C5ORF46.
• •Analysis of intermittent fasting response showed changes in iron regulation.

     

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.

     

Integrated Succinylome and Metabolome Profiling Reveals Crucial Role of S-Ribosylhomocysteine Lyase in Quorum Sensing and Metabolism of Aeromonas hydrophila,

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Highlights

• •A global lysine succinylome was investigated in A. hydrophila.
• •The lysine succinylation modifications play crucial role on various metabolic pathways.
• •Reversible succinylation on Lys23 and Lys30 regulates the activity of S-ribosylhomocysteine lyase LuxS.
• •Lysine succinylation modifications of LuxS affect quorum sensing and metabolism.

     

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.