Lung colonization by Aspergillus fumigatus is controlled by ZNF77.
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Manchester Fungal Infection Group, Division of Infection, Immunity and Respiratory Medicine, University of Manchester, CTF Building, 46 Grafton Street, Manchester, M13 9NTIssue Date
2018-09-20
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Aspergillus fumigatus is a critical pathogen of humans. Exposure to A. fumigatus conidia occurs frequently but is normally cleared from the respiratory airways. In contrast, individuals with respiratory diseases are often highly colonized by fungi. Here, we use genome-edited epithelial cells to show that the genetic variant rs35699176 in ZNF77 causes loss of integrity of the bronchial epithelium and increases levels of extracellular matrix proteins. These changes promote A. fumigatus conidial adhesion, germination and growth. RNA-seq and LC/MS-MS analysis reveal rs35699176 upregulates vesicle trafficking leading to an increment of adhesion proteins. These changes make cells carrying rs35699176 more receptive to A. fumigatus in the early stages of infection. Moreover, patients with fungal asthma carrying rs35699176+/- have higher A. fumigatus loads in their respiratory airway. Our results indicate ZNF77 as a key controller of Aspergillus colonization and suggest its utility as a risk-marker for patient stratification.Citation
Lung colonization by Aspergillus fumigatus is controlled by ZNF77. 2018, 9(1): 3835 Nat CommunJournal
Nature CommunicationsDOI
10.1038/s41467-018-06148-7PubMed ID
30237437Type
ArticleLanguage
enISSN
2041-1723ae974a485f413a2113503eed53cd6c53
10.1038/s41467-018-06148-7
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