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Related Concept Videos

Proteomics01:33

Proteomics

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A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term...
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Related Experiment Video

Updated: May 12, 2025

Isolation of Proximal Fluids to Investigate the Tumor Microenvironment of Pancreatic Adenocarcinoma
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Proteomic analysis reveals potential biomarker candidates in serous ovarian tumors - a preliminary study.

Shona Pedersen1, Alaaeldin Ali Mohamed1, Hubert Krzyslak2

  • 1College of Medicine, QU Health, Qatar University, Doha, Qatar.

Contemporary Oncology (Poznan, Poland)
|May 7, 2025
PubMed
Summary

This study identified key proteins that can distinguish ovarian serous cystadenocarcinoma (SCA) from benign and borderline tumors, aiding in early diagnosis. Argininosuccinate synthase 1 (ASS1) and tenascin-XB (TNXB) show potential for monitoring disease progression.

Keywords:
formalin-fixed paraffin-embedded tissuemass spectrometryovarian cancerprotein biomarkersproteomics

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Area of Science:

  • Oncology
  • Biochemistry
  • Proteomics

Background:

  • Ovarian serous cystadenocarcinoma (SCA) is a deadly gynecologic cancer often diagnosed late.
  • Tissue proteomics can reveal disease heterogeneity, improving tumor classification and enabling personalized treatments.

Purpose of the Study:

  • To identify protein biomarkers for distinguishing between SCA, borderline, and benign ovarian tumors.
  • To explore potential markers for monitoring disease progression in SCA.

Main Methods:

  • Quantitative label-free liquid chromatography-tandem mass spectrometry was used on 46 serous ovarian tumor samples.
  • Ingenuity pathway analysis was performed to understand biological processes involved.

Main Results:

  • 80 proteins differentiated SCA from borderline tumors, 277 differentiated SCA from benign tumors, and 195 differentiated borderline from benign tumors.
  • Proteins such as ASS1 and TNXB showed potential as markers for disease progression, with ASS1 increasing and TNXB decreasing from benign to advanced stages.
  • Specific proteins like GFPT1, HYOU1, and pyridoxal dependent decarboxylase domain containing 1 differentiated low-grade (LGSCA) from high-grade serous cystadenocarcinoma (HGSCA).

Conclusions:

  • A panel of identified proteins, including ASS1 and TNXB, can potentially aid in the early diagnosis and monitoring of ovarian serous cystadenocarcinoma.
  • The study highlights critical biomarkers for tracking HGSCA progression.