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Related Concept Videos

Structure and Function of Platelets01:18

Structure and Function of Platelets

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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.
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000...
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Formation of the Platelet Plug01:22

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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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Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
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Disorders of Hemostasis01:24

Disorders of Hemostasis

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Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
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Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

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Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
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Related Experiment Video

Updated: Jun 19, 2025

Microfluidics in Assessing Platelet Function
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Platelet Storage-Problems, Improvements, and New Perspectives.

Natalia Trochanowska-Pauk1, Tomasz Walski2, Raghvendra Bohara3

  • 1Department of Physics and Biophysics, The Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, 50-375 Wrocław, Poland.

International Journal of Molecular Sciences
|July 27, 2024
PubMed
Summary

Platelet storage lesions limit transfusion availability. Research into storage conditions, solutions, testing, and data modeling aims to improve platelet quality and extend shelf life for critical patients.

Keywords:
blood bankingplatelet concentratesplatelet storageplatelet storage lesionshelf-life

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A Microfluidic Flow Chamber Model for Platelet Transfusion and Hemostasis Measures Platelet Deposition and Fibrin Formation in Real-time

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A Microfluidic Flow Chamber Model for Platelet Transfusion and Hemostasis Measures Platelet Deposition and Fibrin Formation in Real-time
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Area of Science:

  • Transfusion Medicine
  • Biotechnology
  • Biophysics

Background:

  • Platelet transfusions are vital for preventing bleeding in critically ill patients.
  • Platelets have a short shelf-life (5 days) due to storage lesions and bacterial contamination risks.
  • Platelet storage lesions (PSLs) cause physical and functional degradation.

Purpose of the Study:

  • To categorize and review challenges associated with platelet storage lesions (PSLs).
  • To explore potential improvements and novel perspectives in platelet storage.
  • To provide a comprehensive overview of current research areas in PSL mitigation.

Main Methods:

  • Categorization of PSL research into four key areas: storage conditions, additive solutions, advanced platelet testing (proteomics, metabolomics), and data modeling (mathematical, statistical, AI).
  • Literature review and synthesis of current knowledge on PSLs.
  • Analysis of challenges and potential solutions across different research domains.

Main Results:

  • PSLs are multifaceted, influenced by storage environment, solutions, and inherent platelet properties.
  • Proteomic and metabolomic analyses offer new avenues for assessing platelet quality.
  • Data modeling, including AI, shows promise for optimizing platelet production and inventory management.
  • Additive solutions and optimized storage conditions can mitigate certain PSL aspects.

Conclusions:

  • Addressing PSLs requires a multidisciplinary approach combining improved storage, novel testing, and advanced data analytics.
  • Further research into additive solutions and real-time quality monitoring is crucial.
  • Optimizing platelet availability and quality through scientific innovation is essential for patient care.