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Related Concept Videos

Flow Cytometry01:23

Flow Cytometry

12.6K
The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
In...
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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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Related Experiment Video

Updated: Jun 18, 2025

Flow Cytometry Analysis of Tissue Factor Expression in Human Platelets
10:08

Flow Cytometry Analysis of Tissue Factor Expression in Human Platelets

Published on: November 22, 2024

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Flow Cytometry and Platelets.

Andrew L Frelinger1

  • 1Center for Platelet Research Studies, Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115-5737, USA.

Clinics in Laboratory Medicine
|August 1, 2024
PubMed
Summary
This summary is machine-generated.

Flow cytometry is a valuable tool for diagnosing platelet disorders and assessing thrombosis or bleeding risk. This method detects changes in platelet activation, even in patients with low platelet counts.

Keywords:
Blood platelet disordersFlow cytometryFunction testsPhenotypingPlateletPlatelet activationThrombocytopenia

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Area of Science:

  • Hematology
  • Immunology
  • Biochemistry

Background:

  • Platelets are crucial for hemostasis and thrombosis.
  • Platelet activation involves significant cellular changes.
  • Clinical assessment of platelet function is vital for diagnosing disorders and predicting risks.

Purpose of the Study:

  • To review flow cytometric tests for platelet activation markers.
  • To highlight the utility of flow cytometry in platelet disorder diagnosis.
  • To emphasize its role in assessing thrombosis and bleeding risk.

Main Methods:

  • Flow cytometry is used to detect alterations in platelet surface glycoproteins.
  • Analysis includes changes in protein expression and phospholipid exposure.
  • This method is suitable for samples with low platelet counts.

Main Results:

  • Flow cytometry effectively characterizes platelet-specific disorders.
  • It provides a measure of thrombosis or bleeding risk.
  • Detects changes in platelet activation markers like surface glycoproteins and phospholipids.

Conclusions:

  • Flow cytometry is a versatile and sensitive technique for platelet function analysis.
  • It offers diagnostic and prognostic value in various clinical settings.
  • Its application extends to patients where other tests may be limited.