Motile Ciliary Disorders of the Nasal Epithelium in Adults With Bronchiectasis
Copyright © 2022 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved..
BACKGROUND: Motile ciliary disorder (MCD) has been implicated in chronic inflammatory airway diseases such as asthma and COPD.
RESEARCH QUESTION: What are the characteristics of MCD of the nasal epithelium and its association with disease severity and inflammatory endotypes in adults with bronchiectasis?.
STUDY DESIGN AND METHODS: In this observational study, we recruited 167 patients with bronchiectasis and 39 healthy control participants who underwent brushing of the nasal epithelium. A subgroup of patients underwent bronchoscopy for bronchial epithelium sampling (n = 13), elective surgery for bronchial epithelium biopsy (n = 18), and blood sampling for next-generation sequencing (n = 37). We characterized systemic and airway inflammatory endotypes in bronchiectasis. We conducted immunofluorescence assays to profile ultrastructural (dynein axonemal heavy chain 5 [DNAH5], dynein intermediate chain 1 [DNAI1], radial spoke head protein 9 [RSPH9]) and ciliogenesis marker expression (Ezrin).
RESULTS: MCD was present in 89.8% of patients with bronchiectasis, 67.6% showed secondary MCD, and 16.2% showed primary plus secondary MCD. Compared with healthy control participants, patients with bronchiectasis yielded abnormal staining patterns of DNAH5, DNAI1, and RSPH9 (but not Ezrin) that were more prominent in moderate to severe bronchiectasis. MCD pattern scores largely were consistent between upper and lower airways and between large-to-medium and small airways in bronchiectasis. Coexisting nasal diseases and asthma did not confound nasal ciliary ultrastructural marker expression significantly. The propensity of MCD was unaffected by the airway or systemic inflammatory endotypes. MCD, particularly an ultrastructural abnormality, was notable in patients with mild bronchiectasis who showed blood or sputum eosinophilia.
INTERPRETATION: Nasal ciliary markers profiling provides complimentary information to clinical endotyping of bronchiectasis.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:163 |
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| Enthalten in: |
Chest - 163(2023), 5 vom: 20. Mai, Seite 1038-1050 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Ri-Lan [VerfasserIn] |
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| Links: |
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| Themen: |
Airway inflammation |
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| Anmerkungen: |
Date Completed 12.05.2023 Date Revised 16.05.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.chest.2022.11.022 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM34948175X |
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| 100 | 1 | |a Zhang, Ri-Lan |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Motile Ciliary Disorders of the Nasal Epithelium in Adults With Bronchiectasis |
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| 500 | |a Date Revised 16.05.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2022 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a BACKGROUND: Motile ciliary disorder (MCD) has been implicated in chronic inflammatory airway diseases such as asthma and COPD | ||
| 520 | |a RESEARCH QUESTION: What are the characteristics of MCD of the nasal epithelium and its association with disease severity and inflammatory endotypes in adults with bronchiectasis? | ||
| 520 | |a STUDY DESIGN AND METHODS: In this observational study, we recruited 167 patients with bronchiectasis and 39 healthy control participants who underwent brushing of the nasal epithelium. A subgroup of patients underwent bronchoscopy for bronchial epithelium sampling (n = 13), elective surgery for bronchial epithelium biopsy (n = 18), and blood sampling for next-generation sequencing (n = 37). We characterized systemic and airway inflammatory endotypes in bronchiectasis. We conducted immunofluorescence assays to profile ultrastructural (dynein axonemal heavy chain 5 [DNAH5], dynein intermediate chain 1 [DNAI1], radial spoke head protein 9 [RSPH9]) and ciliogenesis marker expression (Ezrin) | ||
| 520 | |a RESULTS: MCD was present in 89.8% of patients with bronchiectasis, 67.6% showed secondary MCD, and 16.2% showed primary plus secondary MCD. Compared with healthy control participants, patients with bronchiectasis yielded abnormal staining patterns of DNAH5, DNAI1, and RSPH9 (but not Ezrin) that were more prominent in moderate to severe bronchiectasis. MCD pattern scores largely were consistent between upper and lower airways and between large-to-medium and small airways in bronchiectasis. Coexisting nasal diseases and asthma did not confound nasal ciliary ultrastructural marker expression significantly. The propensity of MCD was unaffected by the airway or systemic inflammatory endotypes. MCD, particularly an ultrastructural abnormality, was notable in patients with mild bronchiectasis who showed blood or sputum eosinophilia | ||
| 520 | |a INTERPRETATION: Nasal ciliary markers profiling provides complimentary information to clinical endotyping of bronchiectasis | ||
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| 700 | 1 | |a Zhang, Xiao-Xian |e verfasserin |4 aut | |
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| 700 | 1 | |a Lin, Zhen-Hong |e verfasserin |4 aut | |
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| 700 | 1 | |a Wang, Lei |e verfasserin |4 aut | |
| 700 | 1 | |a Guan, Wei-Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, De Yun |e verfasserin |4 aut | |
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