Distinct propagation efficiencies of H5N1 influenza virus Thai isolates in newly established murine respiratory region-derived cell clones.


Kanai, Y; Chittaganpitch, M; Nakamura, I; Li, GM; Bai, GR; Li, YG; Ikuta, K; Sawanpanyalert, P; (2010) Distinct propagation efficiencies of H5N1 influenza virus Thai isolates in newly established murine respiratory region-derived cell clones. Virus research, 153 (2). pp. 218-25. ISSN 0168-1702 DOI: https://doi.org/10.1016/j.virusres.2010.08.005

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Abstract

Inbred mice have been widely used for the study of influenza viruses as a mammalian model, while suitable cell lines derived from murine tissue have been limited. Here, we established several immortalized cell clones from respiratory regions of inbred mice (C57BL/6 and BALB/c) by transformation using simian virus 40 large T antigen expression vector. Twenty-five cell clones from C57/BL and BALB/c, designated as MRDC/C and MRDC/B series, respectively, showed different susceptibility to Thai isolates of influenza A virus H5N1. Two murine cell clones, C6 and B7 which were extensively studied expressed both SA?2,3 and SA?2,6 sialic acid receptors. Interestingly, the 6 Thai patient-derived H5N1 isolates examined showed varied virus propagation efficiency in murine cell clones, although there were only slight differences in their propagation in MDCK and A549 cell lines. The results indicate that the murine cell clones are useful for examining the propagation efficiency of H5N1 viruses in vitro.

Item Type: Article
Faculty and Department: Faculty of Infectious and Tropical Diseases > Dept of Pathogen Molecular Biology
PubMed ID: 20709117
Web of Science ID: 283605100005
URI: http://researchonline.lshtm.ac.uk/id/eprint/2616

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