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Related Concept Videos

Formation of the Platelet Plug01:22

Formation of the Platelet Plug

The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
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Metastasis

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The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
The Tumor Microenvironment02:17

The Tumor Microenvironment

Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
Intracellular Signaling Affects Focal Adhesions01:17

Intracellular Signaling Affects Focal Adhesions

Integrins act both as extracellular input receivers and as intracellular processing activators. As their name suggests, integrins are entirely integrated into the membrane structure. Their hydrophobic membrane-spanning regions interact with the phospholipid bilayer's hydrophobic region. These membrane receptors provide extracellular attachment sites for effectors like hormones and growth factors. They activate intracellular response cascades when their effectors are bound and active.
Some...
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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Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
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Related Experiment Video

Updated: May 25, 2026

Real-time Imaging of Heterotypic Platelet-neutrophil Interactions on the Activated Endothelium During Vascular Inflammation and Thrombus Formation in Live Mice
11:18

Real-time Imaging of Heterotypic Platelet-neutrophil Interactions on the Activated Endothelium During Vascular Inflammation and Thrombus Formation in Live Mice

Published on: April 2, 2013

Tumor-platelet interaction in solid tumors.

Daniel Buergy1, Frederik Wenz, Christoph Groden

  • 1Department of Anesthesiology, University Medical Center Mannheim, University of Heidelberg, Mannheim, Germany.

International Journal of Cancer
|January 21, 2012
PubMed
Summary
This summary is machine-generated.

High platelet counts in cancer patients are linked to poorer survival. This review explores if platelets directly impact tumor growth, metastasis, or if they are merely a symptom of larger tumors, affecting cancer prognosis.

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Last Updated: May 25, 2026

Real-time Imaging of Heterotypic Platelet-neutrophil Interactions on the Activated Endothelium During Vascular Inflammation and Thrombus Formation in Live Mice
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Phospholipid Mediator Induced Transformation in Three-Dimensional Cultures

Published on: July 27, 2022

Area of Science:

  • Oncology
  • Hematology
  • Cancer Biology

Background:

  • Elevated platelet counts (thrombocytosis) in patients with malignant tumors have been observed for over a century.
  • Thrombocytosis at diagnosis is a known prognostic indicator for reduced survival in many solid tumor types.

Purpose of the Study:

  • To investigate the causal relationship between thrombocytosis and shortened survival in solid tumors.
  • To explore the potential roles of platelets in promoting tumor growth, angiogenesis, and metastasis.
  • To differentiate between platelets as a cause versus an epiphenomenon of tumor progression.

Main Methods:

  • Comprehensive review of existing scientific literature.
  • Analysis of current concepts in tumor-platelet interactions.
  • Synthesis of evidence addressing the three key research questions.

Main Results:

  • The review synthesizes current understanding of how platelets may influence cancer progression.
  • Evidence is presented regarding platelet-derived factors affecting tumor growth and angiogenesis.
  • The role of platelets in facilitating tumor metastasis is examined.

Conclusions:

  • Understanding tumor-platelet interactions is crucial for elucidating mechanisms of cancer progression and prognosis.
  • Further research is needed to definitively establish the causative role of platelets in cancer outcomes.
  • Platelets represent a potential therapeutic target in solid tumor management.