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.

     

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.

     

Identification of Candidate Plasma Protein Biomarkers for Cervical Cancer Using the Multiplex Proximity Extension Assay

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Highlights

• •HPV is being introduced as the primary test in cervical cancer screening programs.
• •New biomarkers are needed for co-testing of women HPV positive in screening.
• •Analysis of plasma from women with invasive cervical cancer identified a 11-marker panel.
• •This signature shows high sensitivity and specificity to identify women with cancer.

     

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.

     

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.

     

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.

     

Glycoproteogenomics: A Frequent Gene Polymorphism Affects the Glycosylation Pattern of the Human Serum Fetuin/α-2-HS-Glycoprotein

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Highlights

• •Frequent genetic polymorphism affects the glycosylation pattern of fetuin.
• •Personalized in-depth proteoform profiling of fetuin purified from 20 donors.
• •Classification of serum donors into three different genotypes.
• •Septic patients show increased level of fucosylation at N-glycolation site N176.

     

High-density Peptide Arrays Help to Identify Linear Immunogenic B-cell Epitopes in Individuals Naturally Exposed to Malaria Infection

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Highlights

• •Profiling antibody responses of patients with naturally acquired malaria immunity.
• •High-density peptide arrays featuring linear epitopes.
• •Epitope mapping of known and potential novel vaccine candidates.
• •Novel immunogenic epitopes discovered, and known antibody target motifs confirmed.

     

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.

     

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

     

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.

     

Nonparametric Analysis of Thermal Proteome Profiles Reveals Novel Drug-binding Proteins*

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Highlights

• •Method for the analysis of response curves from thermal proteome profiling (TPP).
• •NPARC uses nonparametric statistics and provides false discovery-rate (FDR) control.
• •Increased proteome coverage and sensitivity to identify drug-binding proteins.

     

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.

     

Identification of a Specific Translational Machinery via TCTP–EF1A2 Interaction Regulating NF1-associated Tumor Growth by Affinity Purification and Data-independent Mass Spectrometry Acquisition (AP-DIA),

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Highlights

• •AP-DIA/SWATH analysis to identify TCTP-interacting proteins in NF1 tumor cells.
• •A highly specific TCTP–EF1A2 interaction but rather than TCTP–EF1A1 interaction.
• •TCTP–EF1A2 interaction mediating formation of EF1A2-elogation factor complex.
• •TCTP–EF1A2 dependent translation machinery regulating NF1 tumor cell growth.

     

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.

     

Fast and Accurate Bacterial Species Identification in Urine Specimens Using LC-MS/MS Mass Spectrometry and Machine Learning*

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Highlights

• •Fast and culture-free method for the identification of the 15 bacterial species causing UTIs.
• •Combination of DIA analysis and machine learning algorithms to define a peptide signature.
• •High accuracy, good linearity and reproducibility, sensitivity below standard threshold.
• •Transferability to other laboratories and other mass spectrometers.

     

Domain-specific Quantification of Prion Protein in Cerebrospinal Fluid by Targeted Mass Spectrometry

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Highlights

• •Targeted mass spectrometry assay to quantify prion protein (PrP) in spinal fluid.
• •Precise measurement of PrP peptide concentration across protein domains.
• •Peptides are uniformly decreased in symptomatic prion disease patients.
• •Assay applicable to humans and preclinical species for drug development.