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Advances in Mass Spectrometry-Based Proteomics: From Biomarker Discovery to Translational Applications

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Biochemistry".

Deadline for manuscript submissions: 20 January 2026 | Viewed by 808

Special Issue Editor

BRCF Proteomics Resource Facility, Michigan Medicine, Univerisity of Michigan, Ann Arbor, MI, USA
Interests: LC-MS method development; phosphoproteomics; glycoproteomics; biomarker discovery; and multi-omics data integration

Special Issue Information

Dear Colleagues,

Proteomics and mass spectrometry-based approaches have revolutionized biomolecular analysis, enabling high-throughput identification and quantification of proteins, post-translational modifications (PTMs), and biomarkers for various diseases. With the emergence of next-generation mass spectrometry techniques, bioinformatics tools, and multi-omics integration, researchers can now gain deeper insight into disease mechanisms, protein interactions, and therapeutic targets. This Special Issue aims to bring together cutting-edge research on quantitative proteomics, glycoproteomics, phosphoproteomics, and emerging mass spectrometry workflows, with a particular focus on biomedical and clinical applications. We welcome original research and reviews that highlight advances in the following areas:

✔ Innovative Mass Spectrometry Techniques: DIA-MS, TIMS-MS, FAIMS, and ion mobility spectrometry;

✔ Quantitative Proteomics and PTMs: SILAC, TMT, iTRAQ, phosphoproteomics, and ubiquitinomics;

✔ Glycoproteomics and Glycomics: Site-specific glycosylation, lectin-based enrichment, and glycan profiling;

✔ Biomarker Discovery and Translational Applications: Cancer proteomics, neuroproteomics, and immunopeptidomics;

✔ Advancements in Data Analysis and Computational Tools: MaxQuant, Proteome Discoverer, Spectronaut, and machine learning in proteomics.

This Special Issue is intended for biochemists, analytical chemists, molecular biologists, and clinical researchers working at the interface of proteomics and disease research. We encourage interdisciplinary contributions that push the boundaries of biomedical mass spectrometry and its role in advancing precision medicine.

Dr. Yanlong Ji
Guest Editor

Manuscript Submission Information

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Keywords

  • mass spectrometry
  • LC-MS method development
  • phosphoproteomics
  • glycoproteomics
  • biomarker discovery
  • multi-omics data integration
 

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Published Papers (1 paper)

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Research

20 pages, 2272 KB  
Article
Multiplexed Quantification of First-Trimester Serum Biomarkers in Healthy Pregnancy
by Natalia Starodubtseva, Alisa Tokareva, Alexey Kononikhin, Alexander Brzhozovskiy, Anna Bugrova, Evgenii Kukaev, Alina Poluektova, Vladimir Frankevich, Evgeny Nikolaev and Gennady Sukhikh
Int. J. Mol. Sci. 2025, 26(16), 7970; https://doi.org/10.3390/ijms26167970 - 18 Aug 2025
Viewed by 405
Abstract
The maternal circulating proteome reflects critical physiological adaptations during pregnancy, yet standardized reference profiles for early gestation are lacking. In this prospective study, we employed targeted liquid chromatography–multiple reaction monitoring–mass spectrometry (LC-MRM-MS) with stable isotope-labeled (SIS) standards to characterize the serum proteome of [...] Read more.
The maternal circulating proteome reflects critical physiological adaptations during pregnancy, yet standardized reference profiles for early gestation are lacking. In this prospective study, we employed targeted liquid chromatography–multiple reaction monitoring–mass spectrometry (LC-MRM-MS) with stable isotope-labeled (SIS) standards to characterize the serum proteome of 83 women with uncomplicated singleton pregnancies between 11+2 and 13+6 weeks’ gestation. Robust analysis quantified 115 proteins (83% of targets), with 101 meeting ICH M10 standards. These included 38 FDA-approved, 19 CVD-related, and 25 CLIA-approved biomarkers. We identified 43 proteins significantly associated (p < 0.05) with gestational age, maternal factors (BMI, age, parity, and myomas), and fetal sex. Key findings included identification of 12 proteins significantly associated with trisomy risk (|R| = 0.21–0.45, p < 0.05) and extreme physiological variability in pregnancy zone protein (PZP, 123.9-fold), followed by apolipoprotein (a) (LPA; 9.9-fold) and pregnancy-associated plasma protein A (PAPP-A, 9.3-fold). In contrast, hemopexin (HPX) demonstrated remarkable stability (CV = 8.5%), suggesting its utility as a reference marker. The study successfully implemented multiples of the median (MoM) transformation for clinical standardization of protein profiles, with RobNorm proving particularly effective for batch-effect correction in our dataset. These methodological advances, combined with the establishment of comprehensive pregnancy-specific reference ranges, provide a valuable foundation for future research. The optimized analytical framework and protein signatures identified in this work not only enable the development of next-generation screening approaches but also offer new insights into the molecular adaptations occurring during early pregnancy. Full article
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