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CD40/CD40L system and vascular disease.

F Santilli1, S Basili, P Ferroni

  • 1Center of Excellence on Aging, University of Chieti "G. D'Annunzio" School of Medicine, Via Colle dell'Ara, I-66013, Chieti, Italy.

Internal and Emergency Medicine
|November 29, 2007
PubMed
Summary
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Platelets release CD40 ligand (CD40L), a key mediator linking inflammation, oxidative stress, and platelet activation in atherosclerosis. This finding highlights CD40L

Area of Science:

  • Cardiovascular Biology
  • Immunology
  • Molecular Medicine

Background:

  • Atherosclerosis involves low-grade inflammation, oxidative stress, and platelet activation.
  • The CD40/CD40L system is increasingly recognized as a crucial link between these processes.

Purpose of the Study:

  • To elucidate the role of the CD40/CD40L system as a central mediator in atherothrombosis.
  • To highlight the significance of platelet-derived CD40L in inflammatory pathways.

Main Methods:

  • Review and synthesis of current research on CD40/CD40L signaling in cardiovascular disease.
  • Analysis of the structural and functional properties of CD40L, particularly its origin from platelets.

Main Results:

  • CD40 ligand (CD40L), primarily derived from platelets (>95%), acts as a key inflammatory mediator.

Related Experiment Videos

  • CD40L amplifies inflammation by promoting cytokine/chemokine release, cell activation, and cell-cell interactions.
  • Platelets' role extends beyond hemostasis to inflammation amplification via CD40L.

    • Conclusions:

    • The CD40/CD40L system serves as a critical link connecting inflammation, oxidative stress, and platelet activation in atherosclerosis.
    • Platelet-derived CD40L is a pivotal factor in the inflammatory network underlying atherothrombosis.