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IL-6 and IFNγ play a role in fatal cases of 5N1 influenza in children
Critical Care volume 16, Article number: P53 (2012)
Background
Fatal human critical cases associated with influenza A subtype H5N1 have been documented in Bandung, Indonesia. Of four children, three died. We determined the level of cytokines and chemokines in those patients.
Methods
The Luminex method was used to look for the profile of cytokine and chemokine gene expression induced by H5N1 influenza virus from patient's serum.
Results
We found that H5N1 influenza virus in the dead children was a more potent inducer of IL-6, the level being higher (17.00, 74.31, 85.75) than in the one child who survived (4.78). The IFNγ level of the fatal causes was also higher (21.43, 31.75, 384.38) than in the one child who recovered (5.51). This suggested that a cytokine storm may play a role in the pathogenesis of fatal H5N1 cases.
Conclusion
The H5N1 influenza A virus is a potent inducer of proinflammatory cytokines and chemokines. This hyperinduction of cytokines may be relevant to mortality of children with H5N1 infection.
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Alam, A., Jusuf, H., Kartasasmita, C. et al. IL-6 and IFNγ play a role in fatal cases of 5N1 influenza in children. Crit Care 16 (Suppl 3), P53 (2012). https://doi.org/10.1186/cc11740
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DOI: https://doi.org/10.1186/cc11740