Distinct propagation efficiencies of H5N1 influenza virus Thai isolates in newly established murine respiratory region-derived cell clones.
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 SAα2,3 and SAα2,6 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.
Kanai
Yuta
Y
Section of Viral Infections, Thailand-Japan Research Collaboration Center on Emerging and Re-emerging Infections (RCC-ERI), Nonthaburi, Thailand. Yuta.Kanai@lshtm.ac.uk, y-kanai@live.jp
Chittaganpitch
Malinee
M
Nakamura
Izuru
I
Li
Gui-Mei
GM
Bai
Gui-Rong
GR
Li
Yong-Gang
YG
Ikuta
Kazuyoshi
K
Sawanpanyalert
Pathom
P
D000818:Animals; D000957:Antigens, Viral, Tumor / Q000096:biosynthesis / Q000235:genetics; D002460:Cell Line; D004285:Dogs; D015870:Gene Expression; D006801:Humans; D053124:Influenza A Virus, H5N1 Subtype / Q000254:growth & development*; D051379:Mice; D008807:Mice, Inbred BALB C; D008810:Mice, Inbred C57BL; D011991:Receptors, Virus / Q000096:biosynthesis; D012794:Sialic Acids / Q000096:biosynthesis; D013539:Simian virus 40 / Q000235:genetics; D014776:Virus Cultivation / Q000379:methods
D000957:Antigens, Viral, Tumor; D011991:Receptors, Virus; D012794:Sialic Acids