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Related Concept Videos

Structure and Function of Platelets01:18

Structure and Function of Platelets

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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Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...
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Epigenetic Regulation01:37

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Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...

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Updated: May 26, 2026

Megakaryocyte Differentiation and Platelet Formation from Human Cord Blood-derived CD34+ Cells
09:46

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Published on: December 27, 2017

From genetics to epigenetics in platelet research.

Kathleen Freson1, Benedetta Izzi, Chris Van Geet

  • 1Center for Molecular and Vascular Biology, University of Leuven, Leuven, Belgium. ale_pezzini@hotmail.com

Thrombosis Research
|December 24, 2011
PubMed
Summary

Epigenetic changes, specifically DNA methylation, are an emerging area in cardiovascular disease (CVD) research. Abnormal DNA methylation, such as in the GNAS gene, can impact platelet function and increase thrombosis risk.

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Area of Science:

  • Platelet biology
  • Epigenetics
  • Cardiovascular disease (CVD) research

Background:

  • Proteomic and genomic studies have extensively mapped platelet function, but the role of epigenetics, including DNA methylation, remains largely unexplored.
  • Environmental factors can induce epigenetic changes, influencing disease susceptibility.
  • DNA methylation patterns are tissue-specific, raising questions about using leukocyte DNA to reflect systemic epigenetic signatures relevant to CVD.

Purpose of the Study:

  • To review the current understanding of DNA methylation in cardiovascular disease (CVD).
  • To highlight the potential impact of epigenetic modifications on platelet function and CVD risk.
  • To discuss open questions and future directions in the field of cardiovascular epigenomics.

Main Methods:

  • Review of existing literature on DNA methylation, epigenetics, and cardiovascular disease.
  • Focus on genomic-scale DNA methylation analysis techniques.
  • Examination of preliminary evidence linking DNA methylation to platelet activity.

Main Results:

  • DNA methylation is an emerging area in CVD research, with potential implications for platelet function.
  • Alterations in DNA methylation, such as in the GNAS cluster, can lead to platelet hypofunction.
  • Patients with abnormal GNAS methylation show increased risk for thrombosis and ischemic stroke.

Conclusions:

  • Epigenetic studies, particularly DNA methylation, offer a new dimension to understanding CVD.
  • Further research is needed to clarify the causative role of epigenetic changes in CVD and their tissue-specific relevance.
  • Investigating DNA methylation in platelets may reveal novel insights into CVD pathogenesis and risk stratification.