Suppression of interleukin-6 increases enterovirus A71 lethality in mice

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)


Background: Enterovirus A71 (EV-A71) infection can induce fatal encephalitis in young children. Clinical reports show that interleukin-6 (IL-6) levels in the serum and cerebrospinal fluid of infected patients with brainstem encephalitis are significantly elevated. We used a murine model to address the significance of endogenous IL-6 in EV-A71 infection. Results: EV-A71 infection transiently increased serum and brain IL-6 protein levels in mice. Most importantly, absence of IL-6 due to gene knockout or depletion of IL-6 using neutralizing monoclonal antibody enhanced the mortality and tissue viral load of infected mice. Absence of IL-6 increased the damage in the central nervous system and decreased the lymphocyte and virus-specific antibody responses of infected mice. Conclusions: Endogenous IL-6 functions to clear virus and protect the host from EV-A71 infection. Our study raises caution over the use of anti-IL-6 antibody or pentoxifylline to reduce IL-6 for patient treatment.

期刊Journal of biomedical science
出版狀態Published - 2017 12月 12

All Science Journal Classification (ASJC) codes

  • 內分泌學、糖尿病和代謝
  • 分子生物學
  • 臨床生物化學
  • 細胞生物學
  • 生物化學(醫學)
  • 藥學(醫學)


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