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    Effect of Fungal Exposure on Airway Immunity in Asthma

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    Author
    Huang, Jinjie
    Chen, Yin
    Affiliation
    College of Pharmacy, The University of Arizona
    Issue Date
    2015
    Keywords
    Fungal Exposure
    Asthma
    Airway
    MeSH Subjects
    Asthma
    Alternaria
    Advisor
    Chen, Yin
    
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    Rights
    Copyright © is held by the author.
    Collection Information
    This item is part of the Pharmacy Student Research Projects collection, made available by the College of Pharmacy and the University Libraries at the University of Arizona. For more information about items in this collection, please contact Jennifer Martin, Librarian and Clinical Instructor, Pharmacy Practice and Science, jenmartin@email.arizona.edu.
    Publisher
    The University of Arizona.
    Abstract
    Objectives: The purpose of this study is to explore potential changes in cytokine and interferon expression during co-infection of rhinovirus and Alternaria. Methods: Alternaria filtrates were used to represent Alternaria spores in real-life. The responses were assessed by production of IL-6, IL-8 and interferon, which were measured by ELISA. mRNA expression was detected by quantitative real-time PCR. For data analysis, a two-sided t-test was performed to compare individual experimental groups. Results: Co-infection of Alternaria and rhinovirus enhanced IL-6 and IL-8 production significantly (p< 0.05). However, Alternaria significantly inhibited production of interferon which would otherwise be induced by rhinovirus. Average interferon-beta (IFN β) production was reduced by about 67%; interferon-lambda (IFN λ) was decrease by about 75%. The differences between treatment and control groups were also statistically significant (p < 0.05). Conclusions: These findings suggested that the Alternaria may cause an imbalanced mucosal antiviral response through inhibiting production of interferon while enhancing production of proinflammatory cytokines. These results indicated that Alternaria may lead to inhibit host innate immunity against virus infection, causing more inflammatory response.
    Description
    Class of 2015 Abstract
    Collections
    Pharmacy Student Research Projects

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