Signatures of mast cell activation are associated with severe COVID-19
Abstract Lung inflammation is a hallmark of Coronavirus disease 2019 (COVID-19) in severely ill patients and the pathophysiology of disease is thought to be immune-mediated. Mast cells (MCs) are polyfunctional immune cells present in the airways, where they respond to certain viruses and allergens, often promoting inflammation. We observed widespread degranulation of MCs during acute and unresolved airway inflammation in SARS-CoV-2-infected mice and non-human primates. In humans, transcriptional changes in patients requiring oxygen supplementation also implicated cells with a MC phenotype. MC activation in humans was confirmed, through detection of the MC-specific protease, chymase, levels of which were significantly correlated with disease severity. These results support the association of MC activation with severe COVID-19, suggesting potential strategies for intervention..
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Preprint| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
bioRxiv.org - (2023) vom: 04. Nov. Zur Gesamtaufnahme - year:2023 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Tan, Janessa [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| doi: |
10.1101/2021.05.31.21255594 |
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| PPN (Katalog-ID): |
XBI031897150 |
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| 520 | |a Abstract Lung inflammation is a hallmark of Coronavirus disease 2019 (COVID-19) in severely ill patients and the pathophysiology of disease is thought to be immune-mediated. Mast cells (MCs) are polyfunctional immune cells present in the airways, where they respond to certain viruses and allergens, often promoting inflammation. We observed widespread degranulation of MCs during acute and unresolved airway inflammation in SARS-CoV-2-infected mice and non-human primates. In humans, transcriptional changes in patients requiring oxygen supplementation also implicated cells with a MC phenotype. MC activation in humans was confirmed, through detection of the MC-specific protease, chymase, levels of which were significantly correlated with disease severity. These results support the association of MC activation with severe COVID-19, suggesting potential strategies for intervention. | ||
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| 700 | 1 | |a Rathore, Abhay P. S. |0 (orcid)0000-0003-2039-2964 |4 aut | |
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| 700 | 1 | |a Mantri, Chinmay Kumar |0 (orcid)0000-0002-9682-368X |4 aut | |
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| 700 | 1 | |a Lee, Cheryl |4 aut | |
| 700 | 1 | |a Cui, Chu Wern |4 aut | |
| 700 | 1 | |a Kang, Adrian E. Z. |4 aut | |
| 700 | 1 | |a Foo, Randy |4 aut | |
| 700 | 1 | |a Kalimuddin, Shirin |0 (orcid)0000-0001-9319-5908 |4 aut | |
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| 700 | 1 | |a Ho, Lena |0 (orcid)0000-0002-9358-621X |4 aut | |
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| 700 | 1 | |a John, Ashley L. St. |0 (orcid)0000-0001-5098-1044 |4 aut | |
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