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Related Concept Videos

Proteomics01:33

Proteomics

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 proteomics...

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Challenges to developing proteomic-based breast cancer diagnostics.

Richard R Drake1, Lisa H Cazares, E Ellen Jones

  • 1Cancer Biology and Infectious Disease Research Center, Eastern Virginia Medical School, Norfolk, Virginia 23507, USA. DrakeRR@evms.edu

Omics : a Journal of Integrative Biology
|February 22, 2011
PubMed
Summary
This summary is machine-generated.

Developing protein biomarkers for breast cancer detection remains challenging despite advances in genetic and histological assays. This review discusses reasons for the gap and proposes strategies for improved protein biomarker discovery, focusing on glycoproteins and mass spectrometry imaging.

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Area of Science:

  • Oncology
  • Biomarker Discovery
  • Proteomics

Background:

  • Recent advances in genetic and histological assays have improved breast cancer diagnostics and personalized treatment.
  • Distinct genetic subtypes of breast cancer have been identified, driving personalized medicine.
  • A significant gap exists in developing molecular diagnostic assays, particularly protein biomarkers, for breast cancer detection and pretherapy decisions.

Purpose of the Study:

  • To review reasons for the slow progress in developing protein biomarkers for breast cancer.
  • To propose new strategies for improving protein biomarker discovery and assay development.
  • To emphasize improvements in study design for protein biomarker discovery in relation to breast cancer subtypes.

Main Methods:

  • Review of current literature on breast cancer diagnostics and biomarker development.
  • Discussion of limitations in available clinical samples for protein biomarker assay development.
  • Exploration of strategies for identifying glycoprotein biomarkers in blood.
  • Description of MALDI mass spectrometry imaging for tissue analysis.

Main Results:

  • Genetic and histological assays have shown success in breast cancer diagnostics.
  • Progress in protein biomarker development lags significantly behind genetic and histological approaches.
  • Limitations in clinical sample types hinder protein biomarker assay development.

Conclusions:

  • Addressing the gap in protein biomarker development requires improved study designs and innovative strategies.
  • Focusing on glycoprotein biomarkers in blood and utilizing MALDI mass spectrometry imaging of tissues are promising research directions.
  • Enhanced protein biomarker assays are crucial for improving breast cancer detection and clinical decision-making.