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Host genetic background and the innate inflammatory response of lung to influenza virus

Trammell, Rita A. ; Liberati, Teresa A. ; Toth, Linda A.

Microbes and infection, 2012, Vol.14 (1), p.50-58 [Periódico revisado por pares]

Kidlington: Elsevier Masson SAS

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Título:
Host genetic background and the innate inflammatory response of lung to influenza virus
Autor: Trammell, Rita A. ; Liberati, Teresa A. ; Toth, Linda A.
Assuntos: Animals ; Biological and medical sciences ; Fundamental and applied biological sciences. Psychology ; Genetic Variation ; Genetics ; Immunity, Innate - genetics ; Inflammation ; Inflammation - genetics ; Inflammation - immunology ; Inflammation - virology ; Influenza ; Influenza A Virus, H3N2 Subtype - immunology ; Influenza virus ; Lung ; Lung - immunology ; Lung - virology ; Male ; Mice ; Mice, Inbred A ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Mice, Inbred DBA ; Microbiology ; Miscellaneous ; Orthomyxoviridae Infections - genetics ; Orthomyxoviridae Infections - immunology ; Orthomyxoviridae Infections - virology ; Virology ; Virus
É parte de: Microbes and infection, 2012, Vol.14 (1), p.50-58
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Descrição: Many studies of influenza severity have focused on viral properties that confer virulence, whereas the contributory role of the host genetic background on infection severity remains largely unexplored. In this study, we measure the impact of inoculation with influenza virus in four strains of inbred mice - BALB/cByJ, C57BL/6 J, A/J, and DBA/2 J. To evaluate the extent to which responses are inherent to lung per se, as opposed to effects of the systemic response to lung infection, we also measured cytokines and chemokines in lung slices exposed to the virus in vitro. Finally, we evaluate the in vivo responses of recombinant inbred (RI) and select consomic strains of mice to search for genomic loci that contribute to phenotypic variance in response to influenza infection. We found marked variation among mouse strains after challenge with virus strain A/HKX31(H3N2), consistent with previous reports using more virulent strains. Furthermore, response patterns differ after in vivo versus in vitro exposure of lung to virus, supporting a predominant role of the systemic host inflammatory response in generating the strain differences. These results add to the body of information pointing to host genotype as a crucial factor in mediating the severity of influenza infections.
Editor: Kidlington: Elsevier Masson SAS
Idioma: Inglês

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Host genetic background and the innate inflammatory response of lung to influenza virus

Trammell, Rita A. ; Liberati, Teresa A. ; Toth, Linda A.

Kidlington: Elsevier Masson SAS

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