An Interaction Network of RNA-Binding Proteins Involved in Drosophila Oogenesis

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Highlights

• •Label-free and dimethyl labeling MS analysis of 6 RBPs from Drosophila ovaries.
• •Functionally related RBPs show overlapping proteomes.
• •Selective co-purification of splicing factors and translational regulators.
• •Validation of 26 novel interactions by co-immunoprecipitation.

     

Characterizing Patients with Recurrent Urinary Tract Infections in Vesicoureteral Reflux: A Pilot Study of the Urinary Proteome

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Highlights

• •Urinary proteomes of patients with recurrent UTI, renal scarring, and VUR.
• •80 proteins differentially expressed, compared to healthy controls.
• •62 proteins may be indicative of susceptibility for UTI.
• •Altered acute phase response, extracellular matrix and carbohydrate metabolism.

     

Glutathionylation Decreases Methyltransferase Activity of PRMT5 and Inhibits Cell Proliferation

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Highlights

• •PRMT5 glutathionylation is increased in aged mice or under oxidative stress.
• •Deglutathionylation of PRMT5 is catalyzed by glutaredoxin-1.
• •PRMT5 glutathionylation decreases its methyltransferase activity.
• •PRMT5 glutathionylation results in G2/M arrest and inhibits cell proliferation.

     

Mutation-independent Proteomic Signatures of Pathological Progression in Murine Models of Duchenne Muscular Dystrophy

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Highlights

• •Proteomics analysis was performed in two murine models of Duchenne muscular dystrophy (mdx and mdx52) at three ages (8, 16 and 80 weeks) and compared with wild-type controls.
• •High-resolution isoelectric focusing liquid chromatography-tandem mass spectrometry enabled the quantification of 4974 proteins in all samples.
• •This study has revealed protein signatures of dystrophin deficiency and the progression of dystrophic pathology.
• •In contrast, the proteomes of the mdx and mdx52 mice were highly similar.
• •Pathway analysis revealed crosstalk between inflammatory, metabolic and muscle growth processes in dystrophic muscle.

     

Immediate Adaptation Analysis Implicates BCL6 as an EGFR-TKI Combination Therapy Target in NSCLC

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Highlights

• •EGFR-TKI molecular response profiling covering 10138 proteins and 13486 mRNAs.
• •EGFR-TKI combination therapy screen using a library of 528 compounds.
• •Several new candidate EGFR-TKI escape mechanisms and combination therapy targets.
• •Combined targeting of the oncogene BCL6 and EGFR results in synergy in NSCLC cells.

     

Robust Summarization and Inference in Proteome-wide Label-free Quantification

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Highlights

• •In depth performance assessment of leading tools for differential protein abundance.
• •Novel fast modular framework MSqRobSum for robust protein summarization and inference.
• •MsqRobSum outperforms leading protein summarization-based tools.
• •MSqRobSum is on par with top-performing peptide based tool MSqRob.

     

Reproducibility,Specificity and Accuracy of Relative Quantification Using Spectral Library-based Data-independent Acquisition

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Highlights

• •Provision of data generated on the basis of a gold standard spike-in sample set.
• •Choice of spectral library has great impact on identification and quantification.
• •DIA is superior to DDA in quantification reproducibility, specificity and accuracy.
• •DIA outperforms DDA in the quantification of low protein amounts.
• •Quantification on peptide level is generally preferable.

     

Integrative Metabolic Pathway Analysis Reveals Novel Therapeutic Targets in Osteoarthritis

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Highlights

• •SILAC-based protein quantification of OA hBMSCs undergoing chondrogenesis.
• •Spatially-resolved metabolomics by MSI of hBMSCs in chondrogenic differentiation.
• •Differential metabolic pathways involved in OA compared to control hBMSCs.
• •UDP-glucuronic acid/UDP-GlcNAc synthesis is decreased in chondrogenic OA hBMSCs.

     

Characterization of Prenylated C-terminal Peptides Using a Thiopropyl-based Capture Technique and LC-MS/MS

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Highlights

• •Brain membrane protein extraction.
• •Protein prenylation.
• •Prenyl peptide capture and characterization by LC-MS/MS.
• •HCD and EThcD peptide fragmentation.

     

Identification of Tumor Antigens in the HLA Peptidome of Patient-derived Xenograft Tumors in Mouse

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Highlights

• •Sufficient tumor tissues are often unavailable large HLA peptidome discovery.
• •Using patient derived xenograft (PDX) tumors can overcome this limitation.
• •The large PDX HLA peptidomes expand significantly those of the original biopsies.
• •The HLA peptidomes of the PDX tumors included many tumor antigens.

     

Genetic Profile and Functional Proteomics of Anal Squamous Cell Carcinoma: Proposal for a Molecular Classification

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Highlights

• •Two molecular groups in anal squamous carcinoma according proteomic profile.
• •Differences in possible targeted processes such as metabolism or immune response.
• •Different percentage of tumor lymphocyte infiltration.
• •Difference in the frequency of ATM variants, related to PPAR inhibitors.

     

MaxQuant Software for Ion Mobility Enhanced Shotgun Proteomics

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Highlights

• •Highly parallelizable 4D feature detection in ion mobility enhanced shotgun proteomics.
• •Multidimensional non-linear mass, retention time and ion mobility recalibration.
• •Collision cross section aware matching between runs.
• •Label-free quantification of ion mobility MS data.

     

Developments and Applications of Functional Protein Microarrays

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Highlights

• •Summarize the development of functional protein microarray.
• •Application of functional proteome microarray in basic research.
• •Application of functional proteome microarray in translational research.
• •Fabrication of functional membrane protein array using virion display method.

     

Identification of a Multiplex Biomarker Panel for Hypertrophic Cardiomyopathy Using Quantitative Proteomics and Machine Learning

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Highlights

• •Quantitative proteomics and machine learning to study plasma biomarkers in HCM.
• •Six peptides are increased in plasma of LVH+ HCM compared to controls.
• •Peptide biomarkers correlate with imaging markers of phenotype severity.
• •Peptide biomarkers correlate with the estimated sudden cardiac death risk.

     

The Challenge of Classifying Metastatic Cell Properties by Molecular Profiling Exemplified with Cutaneous Melanoma Cells and Their Cerebral Metastasis from Patient Derived Mouse Xenografts

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Highlights

• •Comprehensive molecular profiling of cutaneous and cerebellar metastasis variants.
• •Identification of differentially regulated metastasis-associated molecules.
• •Evidence for individually distinct patterns of metastasis-associated molecules.
• •Highlighting the evident need for establishing meta-analyses strategies.

     

Global Proteome and Phosphoproteome Characterization of Sepsis-induced Kidney Injury

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Highlights

• •Cecal Ligation Puncture (CLP) mouse model to study sepsis-induced kidney disease.
• •Quantitative global proteome and phosphoproteome profiling of mouse kidneys.
• •Highly significant candidate markers for onset and progression of AKI to CKD.
• •Mechanistic insights into sepsis-associated kidney injuries.

     

Profiling Cell Signaling Networks at Single-cell Resolution

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Highlights

• •Signaling networks can be highly heterogeneous across cells in a tissue.
• •Various technologies allow analyzing signaling networks at single-cell resolution.
• •The advantages and limitations of each single-cell approach are summarized.
• •Confounding factors in single-cell signaling network analysis are discussed.

     

Temporal Quantitative Proteomics of mGluR-induced Protein Translation and Phosphorylation in Neurons

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Highlights

• •Integrated phosphoproteomics and analyses of newly synthesized proteins in neurons.
• •Resource of temporal mGluR-induced signaling pathways upon DHPG stimulation.
• •Validation of PKC, MAPK1, CAMKIIa, and CDK2 in mGluR-activation and signaling.
• •Validation of Intersectin-1 in DHPG-induced AMPAR internalization.

     

Improving Identification of In-organello Protein-Protein Interactions Using an Affinity-enrichable,Isotopically Coded,and Mass Spectrometry-cleavable Chemical Crosslinker

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Highlights

• •Used affinity-enrichable, isotopically coded, and MS-cleavable crosslinker.
• •Targeted acquisition strategy based on isotopic-coding described and evaluated.
• •Novel data analysis pipeline developed provides improved crosslink identification.
• •Large dataset reveals hundreds of mitochondrial protein-protein interactions.

     

Multi-omic Characterization of the Mode of Action of a Potent New Antimalarial Compound,JPC-3210, Against Plasmodium falciparum

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Highlights

• •Multi-omics analysis on mode of action of novel antimalarial, JPC-3210
• •JPC-3210 has rapid parasite killing kinetics.
• •Metabolomics and peptidomics demonstrated JPC-3210 inhibits hemoglobin digestion.
• •Proteomics demonstrated JPC-3210 enriches for translation regulation proteins.