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Related Experiment Video

Updated: Jul 4, 2025

Influenza A Virus Studies in a Mouse Model of Infection
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Anti- IL-22 neutralizing antibodies decrease inflammation lesions and reduce mortality in enterovirus 71-infected

Chang Zhang1, Sa Tang2, Xue Zong3

  • 1Department of Pathology, Peking University Shougang Hospital, Beijing, China. Chang_z@yeah.net.

Cellular and Molecular Biology (Noisy-Le-Grand, France)
|January 27, 2024
PubMed
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This summary is machine-generated.

Hand, foot, and mouth disease (HFMD) is a serious threat to young children. Neutralizing antibodies against IL-22 show promise in reducing mortality and symptoms of enterovirus 71 (EV71) infection.

Area of Science:

  • Virology
  • Immunology
  • Pediatrics

Background:

  • Hand, foot, and mouth disease (HFMD) caused by enterovirus 71 (EV71) can lead to fatal encephalitis in infants and young children.
  • Currently, no effective antiviral treatments exist for EV71-induced HFMD.

Purpose of the Study:

  • To investigate the role of Interleukin-22 (IL-22) expression in EV71 infection severity.
  • To evaluate the therapeutic potential of anti-IL-22 neutralizing antibodies against EV71.

Main Methods:

  • A mouse model of EV71 infection was utilized.
  • The study involved assessing IL-22 expression levels in relation to disease severity.
  • Anti-IL-22 neutralizing antibodies were administered to infected mice of varying ages.

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Main Results:

  • Treatment with anti-IL-22 neutralizing antibodies significantly reduced mortality in EV71-infected mice.
  • The antibodies were effective in mitigating various EV71-associated clinical symptoms.
  • IL-22 expression levels correlated with disease severity.

Conclusions:

  • Anti-IL-22 neutralizing antibodies demonstrate significant therapeutic potential for treating EV71-associated HFMD.
  • Targeting IL-22 offers a promising strategy for managing severe EV71 infections in pediatric populations.