ArticleAnnals of hematology2019
Low extracellular vesicle-associated tissue factor activity in patients with persistent lupus anticoagulant and a history of thrombosis.
Article in Annals of hematology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Expert-Based Narrative Review on Compression UltraSonography (CUS) for Diagnosis and Follow-Up of Deep Venous Thrombosis (DVT).Diagnostics (Basel, Switzerland) · 2025Review
- Epigenetic Biomarkers in Thrombophilia-Related Pregnancy Complications: Mechanisms, Diagnostic Potential, and Therapeutic Implications: A Narrative Review.International journal of molecular sciences · 2024Review
- Challenges with measuring tissue factor antigen and activity in human plasma.Blood vessels, thrombosis & hemostasis · 2024Review
- Extracellular Vesicles and Antiphospholipid Syndrome: State-of-the-Art and Future Challenges.International journal of molecular sciences · 2021Review
- Neutrophil extracellular traps and fibrocytes in ST-segment elevation myocardial infarction.Basic research in cardiology · 2019Article
- Measurement of microparticle tissue factor activity in clinical samples: A summary of two tissue factor-dependent FXa generation assays.Thrombosis research · 2016Review
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Authors and funding
8 authors.
Funding
Abstract
Lupus anticoagulants (LA) are a heterogeneous group of antiphospholipid antibodies (aPLAs) that promote thrombosis. Tissue factor (TF)-bearing extracellular vesicles (EVs) might contribute to the prothrombotic state of patients with persistent LA and a history of thrombosis. To investigate if EV-associated TF activity is elevated in a well-defined group of LA-positive patients with a history of thrombosis in comparison to that of healthy controls. Adult patients (n = 94, median age 40.1 years, interquartile range (IQR) 29.9-53.4; 87% females) positive for LA and a history of thrombosis (78% venous thrombosis, 17% arterial thrombosis, 5% venous thrombosis and arterial thrombosis) and healthy age- and sex-matched controls (n = 30, median age 42.9 years, IQR 38.6-45.8, 77% females) were included in this study. EV-TF activity was determined with a factor Xa generation assay and anti-β2-glycoprotein (anti-β2GPI) and anticardiolipin (aCL) antibodies by enzyme-linked immunoassays. EV-TF activity did not differ between 94 LA-positive patients with a history of thrombosis (median 0.05 pg/mL, IQR 0.00-0.14) and 30 healthy controls (median 0.06, IQR 0.00-0.11, p = 0.7745). No correlation was found between EV-TF activity and lupus-sensitive activated partial thromboplastin time (aPTT-LA) (rho = 0.034), Rosner index (rho = - 0.056), anti-β2GPI IgG (rho = 0.05), anti-β2GPI IgM (rho = - 0.08), aCL IgG (rho = 0.12), and aCL IgM (rho = - 0.11) in LA-positive patients. We found low EV-TF activity levels in LA-positive patients and a history of thrombosis and no correlation with analyzed aPLAs. Our data indicate that circulating TF-bearing EVs do not contribute to the prothrombotic state of patients with LA.
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