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A cell-based screening system for influenza A viral RNA transcription/replication inhibitors.

ABSTRACT: Although two classes of antivirals, NA inhibitors and M2 ion channel blockers, are licensed for influenza treatment, dual resistant mutants, including highly pathogenic H5N1 viruses, have appeared. Alternative treatment options are, therefore, needed. Influenza A viral RNA (vRNA) transcription/replication is a promising target for antiviral development, since it is essential for virus replication. Accordingly, an efficient and reliable method to identify vRNA transcription/replication inhibitors is desirable. Here, we developed a cell-based screening system by establishing a cell line that stably expresses influenza viral ribonucleoprotein complex (vRNP). Compound library screening using this cell line allowed us to identify a compound that inhibits vRNA transcription/replication by using reporter protein expression from virus-like RNA as a readout and virus replication in vitro. vRNP-expressing cells have potential as a simple and convenient high-throughput screening (HTS) system, and, thus, are promising to identify vRNA transcription/replication inhibitors for various RNA viruses, especially for primary screens.

SUBMITTER: Ozawa M

PROVIDER: S-EPMC3551287 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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A cell-based screening system for influenza A viral RNA transcription/replication inhibitors.

Ozawa Makoto M Shimojima Masayuki M Goto Hideo H Watanabe Shinji S Hatta Yasuko Y Kiso Maki M Furuta Yousuke Y Horimoto Taisuke T Peters Noel R NR Hoffmann F Michael FM Kawaoka Yoshihiro Y

Scientific reports 20130122

Although two classes of antivirals, NA inhibitors and M2 ion channel blockers, are licensed for influenza treatment, dual resistant mutants, including highly pathogenic H5N1 viruses, have appeared. Alternative treatment options are, therefore, needed. Influenza A viral RNA (vRNA) transcription/replication is a promising target for antiviral development, since it is essential for virus replication. Accordingly, an efficient and reliable method to identify vRNA transcription/replication inhibitors ...[more]

PMID: 23346363

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Dataset Information

A cell-based screening system for influenza A viral RNA transcription/replication inhibitors.

Publications

A cell-based screening system for influenza A viral RNA transcription/replication inhibitors.

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