Abstract
To investigate the role of tumor necrosis factor alpha (TNFα) in the pathogenesis of acute viral encephalitis, TNFα-deficient mice were infected with a highly neurovirulent strain of mouse hepatitis virus, JHM, and compared with JHM-infected C57BL/6 mice as controls. All the JHM-infected mice had succumbed to infection by 6 days postinfection. The virus replication kinetics, histopathological changes and mRNA expression levels of proinflammatory cytokines in the brain did not differ between TNFα-deficient and control C57BL/6 mice. These results suggest that TNFα is not a pathogenic determinant in JHM-induced acute lethal encephalitis.
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Acknowledgments
This study was supported by Grant-In-Aid Scientific Research (C) No. 10660282 from the Ministry of Education, Culture, Sports, Science, and Technology of Japan.
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Shirato, K., Momotani, E., Takata, M. et al. Tumor necrosis factor alpha is not a pathogenic determinant in acute lethal encephalitis induced by a highly neurovirulent strain of mouse hepatitis virus. Arch Virol 153, 549–553 (2008). https://doi.org/10.1007/s00705-007-0006-5
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DOI: https://doi.org/10.1007/s00705-007-0006-5