Gwen M Keulen, Joram Huckriede, Kanin Wichapong, Gerry A F Nicolaes
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Histon activities in the extracellular environment: regulation and prothrombotic implications.
Purpose of review: Thromboembolic complications are a major contributor to global mortality. The relationship between inflammation and coagulation pathways has become an emerging research topic where the role of the innate immune response, and specifically neutrophils in "immunothrombosis" are receiving much attention. This review aims to dissect the intricate interplay between histones (from neutrophils or cellular damage) and the haemostatic pathway, and to explore mechanisms that may counteract the potentially procoagulant effects of those histones that have escaped their nuclear localization.
Recent findings: Extracellular histones exert procoagulant effects via endothelial damage, platelet activation, and direct interaction with coagulation proteins. Neutralization of histone activities can be achieved by complexation with physiological molecules, through pharmacological compounds, or via proteolytic degradation. Details of neutralization of extracellular histones are still being studied.
Summary: Leveraging the understanding of extracellular histone neutralization will pave the way for development of novel pharmacological interventions to treat and prevent complications, including thromboembolism, in patients in whom extracellular histones contribute to their overall clinical status.
期刊介绍:
Current Opinion in Hematology is an easy-to-digest bimonthly journal covering the most interesting and important advances in the field of hematology. Its hand-picked selection of editors ensure the highest quality selection of unbiased review articles on themes from nine key subject areas, including myeloid biology, Vascular biology, hematopoiesis and erythroid system and its diseases.