Proteomics Analysis of Extracellular Matrix Remodeling During Zebrafish Heart Regeneration

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Highlights

• •We have developed a decellularization protocol for ECM protein enrichment.
• •We have characterized the proteome of adult zebrafish heart ECM.
• •We describe dynamic changes in heart ECM proteome during regeneration.
• •We describe changes in heart ECM stiffness during regeneration.

     

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

     

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.

     

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.

     

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

     

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.

     

Spatiotemporal Changes of the Phagosomal Proteome in Dendritic Cells in Response to LPS Stimulation*

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Highlights

• •Characterization of the phagosomal proteome comparing resting and LPS-treated BMDCs.
• •Label-free quantification determined 2843 phagosomal proteins.
• •Reduced recruitment of hydrolases and V-ATPase to phagosomes of LPS-treated cells.
• •Increased recruitment of antigen cross-presentation molecules to these phagosomes.

     

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.

     

A Combined N-terminomics and Shotgun Proteomics Approach to Investigate the Responses of Human Cells to Rapamycin and Zinc at the Mitochondrial Level

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Highlights

• •Rapamycin and zinc induce moderate but significant mitochondrial proteome changes.
• •The mitochondrial proteins processing system is robust under subtoxic conditions.
• •Rapamycin and zinc perturb the mitochondrial proteins processing system.
• •Rapamycin and zinc perturb the mitochondrial proteins homeostasis.

     

Associations of the Fecal Microbial Proteome Composition and Proneness to Diet-induced Obesity

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Highlights

• •Feeding mice a western-style obesogenic diet resulted in dramatic changes in fecal microbial proteome.
• •Basal fecal microbial proteome, but not microbiome, composition was associated with extent of diet-induced obesity.
• •A major feature of fecal microbial proteome of high-responder mice was enriched motility-related proteins.

     

PTMiner: Localization and Quality Control of Protein Modifications Detected in an Open Search and Its Application to Comprehensive Post-translational Modification Characterization in Human Proteome,

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Highlights

• •PTMiner software for intelligent post-processing of open-search results.
• •Unrestrictive modification site localization based on a Bayesian model.
• •Extended transfer FDR estimation for accurate grouped FDR estimation.
• •Comprehensive PTM characterization in a draft map of human proteome.

     

Development of a Gill Assay Library for Ecological Proteomics of Threespine Sticklebacks (Gasterosteus aculeatus)

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Highlights

• •Construction of threespine stickleback gill assay library using DDA proteomics
• •Population-specific gill proteome signatures of four ecotypes identified by DIA
• •HSP47 and extracellular matrix proteins highly elevated in warm-adapted sticklebacks
• •Inflammasome and proteolytic proteins highly elevated in freshwater sticklebacks

     

Phytoplasma-induced Changes in the Acetylome and Succinylome of Paulownia tomentosa Provide Evidence for Involvement of Acetylated Proteins in Witches' Broom Disease

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Highlights

• •Quantitative global proteome, acetylome and succinylome of phytoplasma-infected Paulownia tomentosa seedlings.
• •Acetylation may be more important than succinylation in response to phytoplasma infection.
• •Acetylation modified the activities of POR and RuBisCO.
• •Possible model to elucidate the molecular mechanism responses to PaWB from proteome and PTMs.

     

Reductive Stress Selectively Disrupts Collagen Homeostasis and Modifies Growth Factor-independent Signaling Through the MAPK/Akt Pathway in Human Dermal Fibroblasts

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Highlights

• •Changes to the proteome of skin fibroblasts subjected to reductive stress have been quantitated.
• •Only a small set of proteins is selectively diminished upon exposure to reductants.
• •Collagens (COL1A2 and COL6A2) emerge as sentinels of reductive stress.
• •Reductive stress triggers receptor-independent Akt phosphorylation at Ser473.

     

Precision De Novo Peptide Sequencing Using Mirror Proteases of Ac-LysargiNase and Trypsin for Large-scale Proteomics

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Highlights

• •The developed Ac-LysargiNase showed higher stability and activity than before.
• •The merged spectra of the mirror peptides achieved nearly complete ion coverage.
• •pNovoM obviously increased the efficiency and accuracy of peptide sequencing.
• •The mirror enzymatic strategy achieved precision de novo sequencing on proteome scales.

     

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.

     

Virulence Factors Produced by Staphylococcus aureus Biofilms Have a Moonlighting Function Contributing to Biofilm Integrity

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Highlights

• •Establishment of a flow system allowing multi-omics analysis of S. aureus biofilms.
• •Biofilm proteome profiling (intracellular and ECM) plus metabolic footprint analysis.
• •Virulence factors and ribosomal proteins stabilize the ECM as moonlighting proteins.
• •They act as electrostatic bridges between anionic cell surfaces, eDNA and metabolites.