Sinonasal microbiome and inflammatory profiles in fungal ball and chronic rhinosinusitis
Copyright © 2023 Japanese Society of Otorhinolaryngology-Head and Neck Surgery, Inc. Published by Elsevier B.V. All rights reserved..
OBJECTIVE: Fungal balls (FB) are the main form of non-invasive fungal rhinosinusitis found in immunocompetent hosts. Bacterial coinfection affects clinical symptoms. We investigated the sinonasal microbiome and inflammatory profiles in FB and chronic rhinosinusitis (CRS) patients.
METHODS: Thirty-three participants were prospectively recruited. Nasal swab samples and sinonasal tissues were collected from controls, and FB and CRS patients. DNA extraction and microbiome analysis using V3-V4 region 16S rRNA sequencing were performed. Inflammatory cytokine levels in the sinonasal tissues, blood eosinophil counts, and serum total IgE were measured.
RESULTS: No significant differences were observed in species richness or evenness measures. The phylogenetic tree demonstrated that the FB samples were different from the controls. The sinus bacteria composition differed among the groups. At the phylum level, Firmicutes in FB were significantly depleted compared with those in CRS, while Proteobacteria were more enriched in FB than that in controls and CRS. At the genus level, in FB, Staphylococcus and Corynebacterium were significantly decreased compared to those in the controls. The prevalence of Haemophilus was the highest in FB. Blood eosinophil counts and IL-5 and periostin levels in the sinonasal tissue of the FB group were significantly lower than those in the CRS group.
CONCLUSIONS: FB patients had different microbiome compositions and fewer type 2 inflammatory profiles than CRS patients did. However, whether these findings cause FB or result from bacterial and/or fungal infection remains unclear. Further studies are needed to reveal how these differences occur and affect the development of FB and clinical symptoms.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:51 |
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| Enthalten in: |
Auris, nasus, larynx - 51(2024), 2 vom: 29. Apr., Seite 242-250 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Roh, Daeyoung [VerfasserIn] |
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| Links: |
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| Themen: |
16S rRNA sequencing |
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| Anmerkungen: |
Date Completed 01.04.2024 Date Revised 01.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.anl.2023.11.003 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2023 Japanese Society of Otorhinolaryngology-Head and Neck Surgery, Inc. Published by Elsevier B.V. All rights reserved. | ||
| 520 | |a OBJECTIVE: Fungal balls (FB) are the main form of non-invasive fungal rhinosinusitis found in immunocompetent hosts. Bacterial coinfection affects clinical symptoms. We investigated the sinonasal microbiome and inflammatory profiles in FB and chronic rhinosinusitis (CRS) patients | ||
| 520 | |a METHODS: Thirty-three participants were prospectively recruited. Nasal swab samples and sinonasal tissues were collected from controls, and FB and CRS patients. DNA extraction and microbiome analysis using V3-V4 region 16S rRNA sequencing were performed. Inflammatory cytokine levels in the sinonasal tissues, blood eosinophil counts, and serum total IgE were measured | ||
| 520 | |a RESULTS: No significant differences were observed in species richness or evenness measures. The phylogenetic tree demonstrated that the FB samples were different from the controls. The sinus bacteria composition differed among the groups. At the phylum level, Firmicutes in FB were significantly depleted compared with those in CRS, while Proteobacteria were more enriched in FB than that in controls and CRS. At the genus level, in FB, Staphylococcus and Corynebacterium were significantly decreased compared to those in the controls. The prevalence of Haemophilus was the highest in FB. Blood eosinophil counts and IL-5 and periostin levels in the sinonasal tissue of the FB group were significantly lower than those in the CRS group | ||
| 520 | |a CONCLUSIONS: FB patients had different microbiome compositions and fewer type 2 inflammatory profiles than CRS patients did. However, whether these findings cause FB or result from bacterial and/or fungal infection remains unclear. Further studies are needed to reveal how these differences occur and affect the development of FB and clinical symptoms | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a 16S rRNA sequencing | |
| 650 | 4 | |a Chronic rhinosinusitis | |
| 650 | 4 | |a Fungal ball | |
| 650 | 4 | |a Inflammation | |
| 650 | 4 | |a Microbiome | |
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| 700 | 1 | |a Kim, Soo Whan |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Sung Won |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Byung-Guk |e verfasserin |4 aut | |
| 700 | 1 | |a Cho, Jin-Hee |e verfasserin |4 aut | |
| 700 | 1 | |a Park, Yong-Jin |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Do Hyun |e verfasserin |4 aut | |
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