Publication: Pathogenicity of genetically similar, H5N1 highly pathogenic avian influenza virus strains in chicken and the differences in sensitivity among different chicken breeds
Issued Date
2016-04-01
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ISSN
19326203
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2-s2.0-84963976331
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Mahidol University
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SCOPUS
Bibliographic Citation
PLoS ONE. Vol.11, No.4 (2016)
Suggested Citation
Aya Matsuu, Tomoko Kobayashi, Tuangthong Patchimasiri, Takashi Shiina, Shingo Suzuki, Kridsada Chaichoune, Parntep Ratanakorn, Yasuaki Hiromoto, Haruka Abe, Sujira Parchariyanon, Takehiko Saito Saito Pathogenicity of genetically similar, H5N1 highly pathogenic avian influenza virus strains in chicken and the differences in sensitivity among different chicken breeds. PLoS ONE. Vol.11, No.4 (2016). doi:10.1371/journal.pone.0153649 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/40937
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Title
Pathogenicity of genetically similar, H5N1 highly pathogenic avian influenza virus strains in chicken and the differences in sensitivity among different chicken breeds
Abstract
© 2016 Matsuu et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Differences in the pathogenicity of genetically closely related H5N1 highly pathogenic avian influenza viruses (HPAIVs) were evaluated in White Leghorn chickens. These viruses varied in the clinical symptoms they induced, including lethality, virus shedding, and replication in host tissues. A comparison of the host responses in the lung, brain, and spleen suggested that the differences in viral replication efficiency were related to the host cytokine response at the early phase of infection, especially variations in the proinflammatory cytokine IL-6. Based on these findings, we inoculated the virus that showed the mildest pathogenicity among the five tested, A/pigeon/Thailand/VSMU-7-NPT/2004, into four breeds of Thai indigenous chicken, Phadu-Hung-Dang (PHD), Chee, Dang, and Luang-Hung-Khao (LHK), to explore effects of genetic background on host response. Among these breeds, Chee, Dang, and LHK showed significantly longer survival times than White Leghorns. Virus shedding from dead Thai indigenous chickens was significantly lower than that from White Leghorns. Although polymorphisms were observed in the Mx and MHC class I genes, there was no significant association between the polymorphisms in these loci and resistance to HPAIV.