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Related Concept Videos

Structure and Function of Platelets01:18

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The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
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What can proteomics tell us about platelets?

Julia M Burkhart1, Stepan Gambaryan, Stephen P Watson

  • 1From the Leibniz-Institut für Analytische Wissenschaften-ISAS-e.V., Dortmund, Germany (J.M.B., A.S., R.P.Z); Institut für Klinische Biochemie und Pathobiochemie, Universitätsklinikum Würzburg, Würzburg, Germany (S.G.); Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St. Petersburg, Russia (S.G.); Centre for Cardiovascular Sciences, Institute for Biomedical Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom (S.P.W.); Center for Thrombosis and Hemostasis, Universitätsklinikum der Johannes Gutenberg-Universität Mainz, Mainz, Germany (K.J., U.W.); Medizinisches Proteom Center, Ruhr Universität Bochum, Bochum, Germany (A.S.); Department of Chemistry, College of Physical Sciences, University of Aberdeen, Aberdeen, Scotland, United Kingdom (A.S.); and Department of Biochemistry, CARIM, Maastricht University, Maastricht, The Netherlands (J.W.M.H.).

Circulation Research
|March 29, 2014
PubMed
Summary
This summary is machine-generated.

Platelet proteomics analyzes over 5000 proteins to understand platelet function in health and cardiovascular disease. This advanced technique aids in diagnosing platelet disorders by examining protein changes and modifications.

Keywords:
bleedingblood plateletscardiovascular diseaseshemorrhageproteomeproteomics

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Hematology

Background:

  • Platelets are crucial for hemostasis and involved in cardiovascular disease pathogenesis.
  • Platelet (dys)function in disorders often stems from altered protein expression and post-translational modifications due to limited protein synthesis.
  • The platelet proteome contains over 5000 proteins, showing high similarity in healthy individuals.

Purpose of the Study:

  • To provide a comprehensive overview of platelet proteomics.
  • To discuss the achievements, current capabilities, and future directions of platelet proteomics.
  • To highlight the application of platelet proteomics in studying cardiovascular, inflammatory, and bleeding disorders.

Main Methods:

  • Utilizing modern platelet proteomics approaches.
  • Analyzing quantitative changes in protein abundance.
  • Investigating post-translational modifications, protein-protein interactions, and protein localization.
  • Requiring minimal blood samples (a few milliliters).

Main Results:

  • Platelet proteomics can identify thousands of proteins and their modifications.
  • This technology allows for detailed characterization of platelet protein dynamics.
  • It provides insights into the molecular basis of platelet function and dysfunction.

Conclusions:

  • Platelet proteomics is an invaluable tool for understanding platelet homeostasis in health and disease.
  • It offers a powerful method for diagnosing and characterizing platelet disorders.
  • Future applications include advancing the study of cardiovascular, inflammatory, and bleeding conditions.