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Platelet interactions with viruses and parasites

Ana Lopez Alonso1, Dermot Cox

  • 1Molecular & Cellular Therapeutics, Royal College of Surgeons in Ireland , Dublin , Ireland.

Platelets
|April 28, 2015
PubMed

Insights

Platelets interact with various pathogens, not just bacteria. Receptors like FcγRIIa and Toll-Like Receptors (TLR) are crucial in these interactions, which are important in infections like viral hemorrhagic fever.

Area of Science:

  • Immunology
  • Microbiology
  • Hematology

Background:

  • Platelet interactions with Gram-positive bacteria are well-documented.
  • Limited data exists on interactions between platelets and other pathogens.
  • Thrombocytopenia is common in infections, including viral hemorrhagic fever.

Purpose of the Study:

  • To review known interactions between platelets and various pathogens.
  • To highlight the role of specific receptors in these interactions.

Main Methods:

  • Literature review of studies on pathogen-platelet interactions.
  • Focus on viral, fungal, and parasitic pathogen interactions.

Main Results:

  • Platelet interactions with pathogens share similarities with bacteria-platelet interactions.
  • FcγRIIa and Toll-Like Receptors (TLR) are key mediators in many pathogen-platelet interactions.

Conclusions:

  • Platelets play a significant role in the host response to a diverse range of pathogens.
  • Further research is needed to fully elucidate pathogen-platelet interactions beyond bacterial infections.
Keywords:
Fungiparasitesplateletsviruses

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