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Updated: Jun 6, 2026

13:27
Generation of Human CD40-activated B cells
Published on: October 16, 2009
Platelet CD40L at the interface of adaptive immunity
Bennett D Elzey1, Timothy L Ratliff, Jennifer M Sowa
1Department of Comparative Pathobiology, Purdue University, West Lafayette, IN, USA. belzey@iupui.edu
Thrombosis Research
|November 16, 2010
Summary
Platelets express CD40 ligand (CD40L), revealing new roles in immunity and host health. Animal models show CD40L is critical for normal and disease processes, with potential clinical relevance.
Area of Science:
- Immunology
- Hematology
- Vascular Biology
Background:
- Platelets were traditionally viewed solely for hemostasis.
- Recent discoveries highlight platelet involvement in immune responses.
- The expression of CD40 ligand (CD40L, CD154) on platelets is a key finding.
Purpose of the Study:
- To review and synthesize current literature on platelet CD40L.
- To explore the emerging roles of platelets in host immunity and health.
- To assess the clinical relevance of platelet CD40L in disease processes.
Main Methods:
- Literature review of studies on platelet function and CD40L.
- Analysis of data from animal models investigating platelet roles.
- Synthesis of evidence regarding CD40L's impact on mammalian host health.
Main Results:
- Platelets possess functional CD40L (CD154).
- Platelets significantly influence host health and disease.
- Animal models demonstrate the critical role of CD40L in various processes.
Conclusions:
- Platelets are active participants in the immune response.
- CD40L on platelets plays a crucial role in health and disease.
- Further research is warranted to explore the clinical implications of platelet CD40L.
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