Article ; Online: Thromboinflammation: From Atherosclerosis to COVID-19.
Arteriosclerosis, thrombosis, and vascular biology
2022 Volume 42, Issue 9, Page(s) 1103–1112
Abstract: The activating interplay of thrombosis and inflammation (thromboinflammation) has been established as a major underlying pathway, driving not only cardiovascular disease but also autoimmune disease and most recently, COVID-19. Throughout the years, ... ...
Abstract | The activating interplay of thrombosis and inflammation (thromboinflammation) has been established as a major underlying pathway, driving not only cardiovascular disease but also autoimmune disease and most recently, COVID-19. Throughout the years, innate immune cells have emerged as important modulators of this process. As the most abundant white blood cell in humans, neutrophils are well-positioned to propel thromboinflammation. This includes their ability to trigger an organized cell death pathway with the release of decondensed chromatin structures called neutrophil extracellular traps. Decorated with histones and cytoplasmic and granular proteins, neutrophil extracellular traps exert cytotoxic, immunogenic, and prothrombotic effects accelerating disease progression. Distinct steps leading to extracellular DNA release (NETosis) require the activities of PAD4 (protein arginine deiminase 4) catalyzing citrullination of histones and are supported by neutrophil inflammasome. By linking the immunologic function of neutrophils with the procoagulant and proinflammatory activities of monocytes and platelets, PAD4 activity holds important implications for understanding the processes that fuel thromboinflammation. We will also discuss mechanisms whereby vascular occlusion in thromboinflammation depends on the interaction of neutrophil extracellular traps with ultra-large VWF (von Willebrand Factor) and speculate on the importance of PAD4 in neutrophil inflammasome assembly and neutrophil extracellular traps in thromboinflammatory diseases including atherosclerosis and COVID-19. |
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MeSH term(s) | Atherosclerosis/metabolism ; COVID-19 ; Extracellular Traps/metabolism ; Histones/metabolism ; Humans ; Inflammasomes/metabolism ; Inflammation/metabolism ; Neutrophils/metabolism ; Thromboinflammation ; Thrombosis/etiology ; Thrombosis/metabolism ; von Willebrand Factor/metabolism |
Chemical Substances | Histones ; Inflammasomes ; von Willebrand Factor |
Language | English |
Publishing date | 2022-07-08 |
Publishing country | United States |
Document type | Journal Article ; Review ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural |
ZDB-ID | 1221433-4 |
ISSN | 1524-4636 ; 1079-5642 |
ISSN (online) | 1524-4636 |
ISSN | 1079-5642 |
DOI | 10.1161/ATVBAHA.122.317162 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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