Percentage of Th1 and Th17 cells and serum level of IL-17 and IFN-γ cytokines in COVID-19-associated mucormycosis
© The Author(s) 2023. Published by Oxford University Press on behalf of The International Society for Human and Animal Mycology..
The considerable number of the 2019 coronavirus disease (COVID-19) patients who developed mucormycosis infections in West and Central Asia urged a need to investigate the underlying causes of this fatal complication. It was hypothesized that an immunocompromised state secondary to the excessive administration of anti-inflammatory drugs was responsible for the outburst of mucormycosis in COVID-19 patients. Therefore, we aimed to study the implication of two major subsets of adaptive immunity T helper (Th)-1 and Th17 cells in disease development. Thirty patients with COVID-19-associated mucormycosis, 38 with COVID-19 without any sign or symptom of mucormycosis, and 26 healthy individuals were included. The percentage of Th1 and Th17 cells in peripheral blood, as well as the serum levels of interleukin (IL)-17 and interferon-gamma (IFN-γ), were evaluated using flow cytometry and ELISA techniques, respectively. Th17 cell percentage in patients with COVID-19-associated mucormycosis was significantly lower than in COVID-19 patients (P-value: <0.001) and healthy subjects (P-value: 0.01). In addition, the serum level of IL-17 in COVID-19 patients was significantly higher than that of healthy individuals (P-value: 0.01). However, neither the frequency of Th1 cells nor the serum level of IFN-γ was different between the study groups. Given the critical role of Th17 cells in the defense against mucosal fungal infections, these findings suggest that low numbers of Th17 and insufficient levels of IL-17 might be a predisposing factor for the development of mucormycosis during or after COVID-19 infection.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:61 |
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| Enthalten in: |
Medical mycology - 61(2023), 8 vom: 02. Aug. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Soleimanifar, Narjes [VerfasserIn] |
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| Links: |
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| Themen: |
82115-62-6 |
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| Anmerkungen: |
Date Completed 20.09.2023 Date Revised 20.09.2023 published: Print Citation Status MEDLINE |
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| doi: |
10.1093/mmy/myad090 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM361033648 |
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| 245 | 1 | 0 | |a Percentage of Th1 and Th17 cells and serum level of IL-17 and IFN-γ cytokines in COVID-19-associated mucormycosis |
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| 520 | |a © The Author(s) 2023. Published by Oxford University Press on behalf of The International Society for Human and Animal Mycology. | ||
| 520 | |a The considerable number of the 2019 coronavirus disease (COVID-19) patients who developed mucormycosis infections in West and Central Asia urged a need to investigate the underlying causes of this fatal complication. It was hypothesized that an immunocompromised state secondary to the excessive administration of anti-inflammatory drugs was responsible for the outburst of mucormycosis in COVID-19 patients. Therefore, we aimed to study the implication of two major subsets of adaptive immunity T helper (Th)-1 and Th17 cells in disease development. Thirty patients with COVID-19-associated mucormycosis, 38 with COVID-19 without any sign or symptom of mucormycosis, and 26 healthy individuals were included. The percentage of Th1 and Th17 cells in peripheral blood, as well as the serum levels of interleukin (IL)-17 and interferon-gamma (IFN-γ), were evaluated using flow cytometry and ELISA techniques, respectively. Th17 cell percentage in patients with COVID-19-associated mucormycosis was significantly lower than in COVID-19 patients (P-value: <0.001) and healthy subjects (P-value: 0.01). In addition, the serum level of IL-17 in COVID-19 patients was significantly higher than that of healthy individuals (P-value: 0.01). However, neither the frequency of Th1 cells nor the serum level of IFN-γ was different between the study groups. Given the critical role of Th17 cells in the defense against mucosal fungal infections, these findings suggest that low numbers of Th17 and insufficient levels of IL-17 might be a predisposing factor for the development of mucormycosis during or after COVID-19 infection | ||
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