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Increased IL-26 ass...
Increased IL-26 associates with markers of hyperinflammation and tissue damage in patients with acute COVID-19
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- Cardenas, EI (författare)
- Karolinska Institutet
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- Ekstedt, S (författare)
- Karolinska Institutet
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- Piersiala, K (författare)
- Karolinska Institutet
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Petro, M (författare)
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Karlsson, A (författare)
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Kagedal, A (författare)
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- Georen, SK (författare)
- Karolinska Institutet
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- Cardell, LO (författare)
- Karolinska Institutet
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- Linden, A (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2022-11-17
- 2022
- Engelska.
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Ingår i: Frontiers in immunology. - : Frontiers Media SA. - 1664-3224. ; 13, s. 1016991-
- Relaterad länk:
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http://kipublication...
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https://doi.org/10.3...
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Abstract
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- Interleukin-26 (IL-26) is released by several immune and structural cells following stimulation of toll-like receptors (TLRs), whereupon it can directly inhibit viral replication and enhance neutrophil chemotaxis. Given these unique properties, IL-26 has emerged as an intriguing mediator of host defense in the lungs. However, the role of IL-26 in COVID-19 has not been thoroughly investigated. Here, we characterized the involvement of IL-26 in the hyperinflammation and tissue damage that occurs in patients with acute COVID-19. We found that IL-26 is markedly increased in blood samples from these patients, and that the concentration of IL-26 correlates with those of the neutrophil-mobilizing cytokines IL-8 and TNFα, respectively. Moreover, the increase in blood IL-26 correlates with enhanced surface expression of the “don’t eat me” signal CD47 on blood neutrophils isolated from patients with acute COVID-19. Finally, we found that the blood concentration of IL-26 correlates with that of increased lactate dehydrogenase, an established marker of tissue damage, and decreased mean corpuscular hemoglobin (MCH), a previously verified hematological aberration in COVID-19, both of which are associated with severe disease. Thus, our findings indicate that increased systemic IL-26 associates with markers of hyperinflammation and tissue damage in patients with acute COVID-19, thereby forwarding the kinocidin IL-26 as a potential target for diagnosis, monitoring, and therapy in this deadly disease.
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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