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Related Experiment Video

Updated: Mar 18, 2026

Platelet Adhesion and Aggregation Under Flow using Microfluidic Flow Cells
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Modulation of Platelet Aggregation Response by Factors Released from Polymorphonuclear Leukocytes.

M Dikshit1, R Kumari1

  • 1a Pharmacology Division , Central Druo Research Institute , Lucknow - 226001 India.

Hematology (Amsterdam, Netherlands)
|July 14, 2016
PubMed
Summary

Polymorphonuclear leukocytes (PMNLs) release mediators that influence platelet aggregation. This review details how PMNL-derived factors, including free radicals and platelet-activating factor, affect platelet responses.

Keywords:
Arachidonic acid and its metabolitesNitric oxide and Ecto-ADPasePlatelet activating factorPlateletsPolymorphonuclear leukocytesProteasesReactive oxygen species

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Area of Science:

  • Hematology
  • Immunology
  • Cell Biology

Background:

  • Platelets and polymorphonuclear leukocytes (PMNLs) interact, with both cell types releasing mediators.
  • These mediators can modulate the reactivity of platelets and PMNLs under various experimental conditions.

Purpose of the Study:

  • To review the effects of mediators released from PMNLs on platelet aggregation.
  • To summarize studies on PMNL-derived mediators and their impact on platelet function.

Main Methods:

  • Literature review of in vitro studies.
  • Analysis of mediator release from PMNLs.
  • Assessment of mediator effects on platelet aggregation.

Main Results:

  • PMNLs release diverse mediators including free radicals, arachidonic acid metabolites, platelet-activating factor (PAF), proteases, nitric oxide, and ectonucleotidases.
  • These mediators significantly influence platelet aggregation responses.

Conclusions:

  • PMNL-derived mediators play a crucial role in modulating platelet aggregation.
  • Understanding these interactions is vital for comprehending inflammatory and thrombotic processes.