Article ; Online: Reduced Monocyte and Neutrophil Infiltration and Activation by P-Selectin/CD62P Inhibition Enhances Thrombus Resolution in Mice.
Arteriosclerosis, thrombosis, and vascular biology
2024 Volume 44, Issue 4, Page(s) 954–968
Abstract: Background: Venous thromboembolism is a major health problem. After thrombus formation, its resolution is essential to re-establish blood flow, which is crucially mediated by infiltrating neutrophils and monocytes in concert with activated platelets and ...
Abstract | Background: Venous thromboembolism is a major health problem. After thrombus formation, its resolution is essential to re-establish blood flow, which is crucially mediated by infiltrating neutrophils and monocytes in concert with activated platelets and endothelial cells. Thus, we aimed to modulate leukocyte function during thrombus resolution post-thrombus formation by blocking P-selectin/CD62P-mediated cell interactions. Methods: Thrombosis was induced by inferior vena cava stenosis through ligation in mice. After 1 day, a P-selectin-blocking antibody or isotype control was administered and thrombus composition and resolution were analyzed. Results: Localizing neutrophils and macrophages in thrombotic lesions of wild-type mice revealed that these cells enter the thrombus and vessel wall from the caudal end. Neutrophils were predominantly present 1 day and monocytes/macrophages 3 days after vessel ligation. Blocking P-selectin reduced circulating platelet-neutrophil and platelet-Ly6C Conclusions: Inhibition of P-selectin-dependent activation of monocytes and neutrophils accelerates venous thrombosis resolution due to reduced infiltration and activation of innate immune cells at the site of thrombus formation, which prevents early thrombus stabilization and facilitates fibrinolysis. |
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MeSH term(s) | Mice ; Humans ; Animals ; Monocytes/pathology ; P-Selectin ; Endothelial Cells ; Thromboplastin ; Neutrophil Infiltration ; Thrombosis ; Neutrophils |
Chemical Substances | P-Selectin ; Thromboplastin (9035-58-9) |
Language | English |
Publishing date | 2024-02-22 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 1221433-4 |
ISSN | 1524-4636 ; 1079-5642 |
ISSN (online) | 1524-4636 |
ISSN | 1079-5642 |
DOI | 10.1161/ATVBAHA.123.320016 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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