Article ; Online: Macrophage-1 antigen exacerbates histone-induced acute lung injury and promotes neutrophil extracellular trap formation.
2024 Volume 14, Issue 4, Page(s) 574–583
Abstract: Acute lung injury (ALI), which occurs in association with sepsis, trauma, and coronavirus disease 2019 (COVID-19), is a serious clinical condition with high mortality. Excessive platelet-leukocyte aggregate (PLA) formation promotes neutrophil ... ...
Abstract | Acute lung injury (ALI), which occurs in association with sepsis, trauma, and coronavirus disease 2019 (COVID-19), is a serious clinical condition with high mortality. Excessive platelet-leukocyte aggregate (PLA) formation promotes neutrophil extracellular trap (NET) release and thrombosis, which are involved in various diseases, including ALI. Macrophage-1 antigen (Mac-1, CD11b/CD18), which is expressed on the surface of leukocytes, is known to promote NET formation. This study aimed to elucidate the role of Mac-1 in extracellular histone-induced ALI. Exogenous histones were administered to Mac-1-deficient mice and wild-type (WT) mice with or without neutrophil or platelet depletion, and several parameters were investigated 1 h after histone injection. Depletion of neutrophils or platelets improved survival time and macroscopic and microscopic properties of lung tissues, and decreased platelet-leukocyte formation and plasma myeloperoxidase levels. These improvements were also observed in Mac-1 |
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MeSH term(s) | Animals ; Mice ; Extracellular Traps/metabolism ; Macrophage-1 Antigen/metabolism ; Histones ; Neutrophils/metabolism ; Acute Lung Injury |
Chemical Substances | Macrophage-1 Antigen ; Histones |
Language | English |
Publishing date | 2024-02-15 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 2651702-4 |
ISSN | 2211-5463 ; 2211-5463 |
ISSN (online) | 2211-5463 |
ISSN | 2211-5463 |
DOI | 10.1002/2211-5463.13779 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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