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Neutrophil extracellular traps in intracerebral hemorrhage: implications for pathogenesis and therapeutic targets

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Abstract

Intracerebral hemorrhage is a common neurological disease, and its pathological mechanism is complex. As the first recruited leukocyte subtype after intracerebral hemorrhage, neutrophils play an important role in tissue damage. In the past, it was considered that neutrophils performed their functions through phagocytosis, chemotaxis, and degranulation. In recent years, studies have found that neutrophils also have the function of secreting extracellular traps. Extracellular traps are fibrous structure composed of chromatin and granular proteins, which plays an important role in innate immunity. Studies have shown a large number of neutrophil extracellular traps in hematoma samples, plasma samples, and drainage samples after intracerebral hemorrhage. In this paper, we summarized the related mechanisms of neutrophil external traps and injury after intracerebral hemorrhage. Neutrophil extracellular traps are involved in the process of brain injury after intracerebral hemorrhage. The application of related inhibitors to inhibit the formation of neutrophil external traps or promote their dissolution can effectively alleviate the pathological damage caused by intracerebral hemorrhage.

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All data generated or analyzed during this study are included in this.

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Abbreviations

ICH:

Intracerebral hemorrhage

NET:

Neutrophil extracellular trap

NE:

Neutrophil elastase

MPO:

Myeloperoxidase

BBB:

Blood-brain barrier

IL:

Interleukin

MMP:

Matrix metalloproteinase

TLR4:

Toll-like receptor 4

ROS:

Reactive oxygen species

NOX:

NADPH oxidase

DAMPs:

Damage-associated molecular patterns

DNA:

Deoxyribonucleic acid

NSPs:

Neutrophil serine proteases

PAD4:

Peptidylarginine deiminase 4

GM-CSF:

Granulocyte/macrophage-colony stimulating factor

GSDMD:

Gasdermin D

LDH:

Lactate dehydrogenase

DNase:

DNA degrading enzyme

PKC:

Protein kinase C

IFN-?:

Interferon-?

PLTs:

Platelets

PAF:

Platelet activation factor

PS:

Phosphatidylserine

TF:

Tissue factor

ECs:

Endothelial cells

ARP:

Apoptosis-related speckled protein

EGFR:

Epidermal growth factor receptor

SMCs:

Smooth muscle cell

VSMCs:

Vascular smooth muscle cells

AAA:

Abdominal aortic aneurysm

cAVM:

Cerebral arteriovenous malformation

DVT:

Deep vein thrombosis

TM-?:

Thrombomodulin-?

FSAP:

Factor VII activating protease

DPI:

Diphenyliodine

RANTES:

Reduced upon activation, normal T cell expressed and secreted

HDACis:

Histone deacetylase complex inhibitors

PKM2:

Pyruvate kinase M2

Mac-1:

Macrophage antigen-1

PHE:

Perihematomal edema

ET:

Extracellular trap

MAPK:

Mitogen-activated protein kinase

AKT:

Protein kinase B

BAFF:

B-cell Activating factor of the TNF family

PMA:

Phorbol myristate acetate

LPS:

Lipopolysaccharide

PSGL:

P-selectin glycoprotein ligand

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Funding

This work was supported by the National Natural Science Foundation of China (Grant NOs: 82074540).

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Authors

Contributions

Conceptualization: Jiawei Liu, Wei Zou.

Funding acquisition: Wei Zou.

Writing – original draft: Jiawei Liu, Shuang Zhang.

Writing – review & editing: Jiawei Liu, Shuang Zhang, Yunnan Jing, Wei Zou.

Corresponding author

Correspondence to Wei Zou.

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Conflict of interest

The authors have no relevant financial or non-financial interests to disclose.

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Liu, J., Zhang, S., Jing, Y. et al. Neutrophil extracellular traps in intracerebral hemorrhage: implications for pathogenesis and therapeutic targets. Metab Brain Dis 38, 2505–2520 (2023). https://doi.org/10.1007/s11011-023-01268-6

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  • DOI: https://doi.org/10.1007/s11011-023-01268-6

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