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Platelets Structure, Function and Modulator Capacity in Replacement Therapy.

B Moutinho1, B Pinto1, R Cardoso2

  • 1ISEP, Instituto Superior de Engenharia do Porto, Instituto Politecnico do Porto, Porto, Portugal.

Cardiovascular & Hematological Disorders Drug Targets
|December 29, 2017
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Summary
This summary is machine-generated.

Severe thrombocytopenia increases bleeding risk, leading to standard allogeneic platelet transfusions for supportive care. This review covers platelet function and alloimmunization mechanisms.

Keywords:
Alloimmunizationbone marrow.hemostasisplatelet refractorinessplatelet transfusionstem cells

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Area of Science:

  • Hematology
  • Transfusion Medicine
  • Immunology

Background:

  • Severe thrombocytopenia poses a significant bleeding risk.
  • Allogeneic platelet transfusions are a long-standing supportive care practice for these patients.
  • Transfusions are administered prophylactically or therapeutically.

Purpose of the Study:

  • To review the fundamental structure and function of platelets.
  • To discuss the immunological mechanisms underlying alloimmunization to platelet transfusions.

Main Methods:

  • Literature review of platelet biology.
  • Review of immunological responses to platelet alloantigens.

Main Results:

  • Platelets play a crucial role in hemostasis.
  • Alloimmunization can complicate future transfusions.

Conclusions:

  • Understanding platelet function is key to transfusion efficacy.
  • Mechanisms of alloimmunization require further investigation to optimize transfusion strategies.