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Platelets in Inflammation and Resolution
Andreas Margraf1, Alexander Zarbock2
1Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Muenster, 48149 Muenster, Germany.
Platelets have long been known for their role in hemostasis. In this, platelet adhesion and activation leads to the formation of a firm thrombus and thus the sealing of a damaged blood vessel. More recently, inflammatory modes of function have been attributed to these non-nuclei-containing cellular fragments. Interaction with leukocytes, secretion of proinflammatory mediators, and migratory behavior are some of the recent discoveries. Nonetheless, platelets also have anti-inflammatory potential by regulating macrophage functions, regulatory T cells, and secretion of proresolving mediators. This review summarizes current knowledge of platelet functions with a special focus on inflammation and resolution of inflammation.
Platelets have long been known for their role in hemostasis. In this, platelet adhesion and activation leads to the formation of a firm thrombus and thus the sealing of a damaged blood vessel. More recently, inflammatory modes of function have been attributed to these non-nuclei-containing cellular fragments. Interaction with leukocytes, secretion of proinflammatory mediators, and migratory behavior are some of the recent discoveries. Nonetheless, platelets also have anti-inflammatory potential by regulating macrophage functions, regulatory T cells, and secretion of proresolving mediators. This review summarizes current knowledge of platelet functions with a special focus on inflammation and resolution of inflammation.
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