Improving pneumovirus isolation using a centrifugation and AZD1480 combined method

Hansaem Lee, Hye Min Woo, Kisoon Kim, Sehee Park, Man Seong Park, Sung Soon Kim, You Jin Kim

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The isolation of respiratory viruses, especially from clinical specimens, often shows poor efficiency with classical cell culture methods. The lack of suitable methods to generate virus particles inhibits the development of diagnostic assays, treatments, and vaccines. We compared three inoculation methods, classical cell culture, the addition of a JAK2 inhibitor AZD1480, and centrifugation-enhanced inoculation (CEI), to replicate human respiratory syncytial virus (HRSV) and human metapneumovirus (HMPV). In addition, a combined method using AZD1480 treatment and CEI was used on throat swabs to verify that this method could increase virus isolation efficiency from human clinical specimens. Both CEI and AZD1480 treatment increased HRSV and HMPV genome replication. Also, the combined method using CEI and AZD1480 treatment enhanced virus proliferation synergistically. The combined method is particularly suited for the isolation of interferon-sensitive or slowly growing viruses from human clinical specimens.

    Original languageEnglish
    Pages (from-to)2006-2013
    Number of pages8
    JournalJournal of microbiology and biotechnology
    Volume29
    Issue number12
    DOIs
    Publication statusPublished - 2019

    Bibliographical note

    Funding Information:
    We acknowledge Dr. Makoto Takeda for kindly providing the recombinant HMPV-GFP. This project was funded from the intramural research project no. 2015-NG47003-00, supported by the National Institute of Health, Korea Centers for Diseases Control and Prevention.

    Funding Information:
    This project was funded from the intramural research project no. 2015-NG47003-00, supported by the National I nstitute of Health, Korea Centers for Diseases Control and Prevention.

    Publisher Copyright:
    Copyright© 2019 by The Korean Society for Microbiology and Biotechnology.

    Keywords

    • AZD1480
    • Centrifugation
    • Human metapneumovirus
    • Human respiratory syncytial virus
    • Virus isolation

    ASJC Scopus subject areas

    • Biotechnology
    • Applied Microbiology and Biotechnology

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