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Extracellular vesicles and citrullinated histone H 3 in Coronavirus disease 2019 patients [Elektronski vir]Traby, Ludwig ...Objectives: Pulmonary thrombus formation is a hallmark of coronavirus disease 2019 (COVID-19). A dysregulated immune response culminating in thromboinflammation has been described, but the ... pathomechanisms remain unclear. Methods: We studied 41 adult COVID-19 patients with positive results on reverse-transcriptase polymerase-chain-reaction assays and 37 sex- and age-matched healthy controls. Number and surface characteristics of extracellular vesicles (EVs) and citrullinated histone H3 levels were determined in plasma upon inclusion by flow cytometry and immunoassay. Results: In total, 20 patients had severe and 21 nonsevere disease. The number of EV (median [25th, 75th percentile]) was significantly higher in patients compared with controls (658.8 [353.2, 876.6] vs. 435.5 [332.5, 585.3], geometric mean ratio [95% confidence intervals]: 2.6 [1.9, 3.6]; p < 0.001). Patients exhibited significantly higher numbers of EVs derived from platelets, endothelial cells, leukocytes, or neutrophils than controls. EVs from alveolar-macrophages and alveolar-epithelial cells were detectable in plasma and were significantly higher in patients. Intercellular adhesion molecule-1-positive EV levels were higher in patients, while no difference between tissue factor-positive and angiotensin-converting enzyme-positive EV was seen between both groups. Levels of EV did not differ between patients with severe and nonsevere COVID-19. Citrullinated histone H3 levels (ng/mL, median [25th, 75th percentile]) were higher in patients than in controls (1.42 [0.6, 3.4] vs. 0.31 [0.1, 0.6], geometric mean ratio: 4.44 [2.6, 7.7]; p < 0.001), and were significantly lower in patients with nonsevere disease compared with those with severe disease. Conclusion: EV and citrullinated histone H3 are associated with COVID-19 and could provide information regarding pathophysiology of the disease.Vir: Thrombosis and haemostasis [Elektronski vir]. - ISSN 2567-689X (Vol. 122, iss. 1, 2022, str. 113-122)Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2022Jezik - angleškiCOBISS.SI-ID - 174279939
Avtor
Traby, Ludwig |
Kollars, Marietta |
Kussmann, Manuel |
Karer, Matthias |
Šinkovec, Hana, 1987- |
Lobmeyr, Elisabeth |
Staudinger, Thomas |
Eichinger, Sabine |
Kyrle, Paul A. |
Burgmann, Heinz
Teme
COVID-19 |
extracellular vesicles |
NETs |
coagulation activation |
ARDS |
immunothrombosis |
citrullinated histone H 3
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Traby, Ludwig | ![]() |
Kollars, Marietta | ![]() |
Kussmann, Manuel | ![]() |
Karer, Matthias | ![]() |
Šinkovec, Hana, 1987- | 57972 |
Lobmeyr, Elisabeth | ![]() |
Staudinger, Thomas | ![]() |
Eichinger, Sabine | ![]() |
Kyrle, Paul A. | ![]() |
Burgmann, Heinz | ![]() |
Vir: Osebne bibliografije
in: SICRIS
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