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Article Dans Une Revue Arteriosclerosis, Thrombosis, and Vascular Biology Année : 2023

Basic Mechanisms of Hemolysis-Associated Thrombo-Inflammation and Immune Dysregulation

Résumé

Independent of etiology, hemolytic diseases are associated with thrombosis, inflammation and immune dysregulation, all together contributing to organ damage and poor outcome. Beyond anemia and the loss of the anti-inflammatory functions of red blood cells, hemolysis leads to the release of damage-associated molecular patterns including ADP, hemoglobin, and heme, which act through multiple receptors and signaling pathways fostering a hyperinflammatory and hypercoagulable state. Extracellular free heme is promiscuous alarmin capable of triggering oxido-inflammatory and thrombotic events by inducing the activation of platelets, endothelial and innate cells as well as the coagulation and complement cascades. In this review, we discuss the main mechanisms by which hemolysis and, in particular, heme, drive this thrombo-inflammatory milieu and discuss the consequences of hemolysis on the host response to secondary infections.
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Dates et versions

hal-04204876 , version 1 (27-09-2023)

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Jordan D Dimitrov, Lubka T Roumenina, Gina Perrella, Julie Rayes. Basic Mechanisms of Hemolysis-Associated Thrombo-Inflammation and Immune Dysregulation. Arteriosclerosis, Thrombosis, and Vascular Biology, 2023, 43 (8), pp.1349-1361. ⟨10.1161/ATVBAHA.123.318780⟩. ⟨hal-04204876⟩
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