ArticleInflammation research : official journal of the European Histamine Research Society ... [et al.]2024
5-oxoETE promote thrombosis in antiphospholipid syndrome by triggering NETs formation through PLC/PKC/ERK pathway.
Article in Inflammation research : official journal of the European Histamine Research Society ... [et al.], 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Cell death crosstalk in NET-Driven inflammation: mechanisms, disease contexts, and therapeutic perspectives.Biomarker research · 2026Review
- IL-17A Promotes NETs Formation via the PKCζ-ERK-ROS-PAD4 Pathway in a Mouse Model of Ischemic Stroke.CNS neuroscience & therapeutics · 2026Article
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4 authors.
Funding
Abstract
backgroundOne mechanism by which antiphospholipid syndrome (APS) IgG contribute to thrombotic events in patients with APS is through the potentiation of neutrophil extracellular traps (NETs) release. However, the exact mechanism by which APS IgG induces NETs formation and thrombosis has not been fully elucidated.
methodsWe conducted untargeted metabolomics on serum samples from thrombotic APS patients to identify metabolic changes. The effect of 5-oxoETE on NETs formation and oxidative stress was evaluated in vitro by treating neutrophils with various concentrations of 5-oxoETE. The involvement of the PLC/PKC/ERK signaling pathway in 5-oxoETE-induced NETs formation was examined using pharmacological inhibitors. In vivo, we assessed the effects of inhibiting 5-oxoETE synthesis or blocking its receptor (OXE-R) on NETs formation and thrombosis in APS mouse models.
resultsSerum metabolomics revealed significantly elevated levels of 5-oxoETE in APS patients. In vitro experiments demonstrated that 5-oxoETE, via OXE-R activation of the PLC/PKC/ERK signaling pathway, increased NETs formation and oxidative stress in a dose-dependent manner. In vivo, inhibiting 5-oxoETE synthesis or OXE-R reduced NETs formation and attenuated venous thrombosis in APS mice models.
conclusionThis study identifies 5-oxoETE as a critical mediator of NET formation and thrombosis in APS. Targeting 5-oxoETE or OXE-R may offer a promising therapeutic approach for thrombotic APS and other NET-associated autoimmune diseases.
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