Passive immunoprophylaxis and therapy with humanized monoclonal antibody specific for influenza A H5 hemagglutinin in mice
2006

Using Monoclonal Antibodies to Fight H5N1 Influenza in Mice

Sample size: 5 publication 10 minutes Evidence: moderate

Author Information

Author(s): Brendon J. Hanson, Adrianus C. M. Boon, Angeline P. C. Lim, Ashley Webb, Eng Eong Ooi, Richard J. Webby

Primary Institution: Defence Medical and Environmental Research Institute, DSO National Laboratories

Hypothesis

Can humanized monoclonal antibodies effectively provide prophylaxis and treatment against H5N1 influenza in mice?

Conclusion

The study demonstrates that humanized monoclonal antibodies can effectively protect mice from lethal H5N1 influenza challenges.

Supporting Evidence

  • Two humanized monoclonal antibodies were identified that neutralized H5N1 viruses.
  • VN04-2-huG1 provided complete protection at a lower dose compared to VN04-3-huG1.
  • Therapeutic efficacy was observed even when antibodies were administered three days post-infection.

Takeaway

Scientists tested special antibodies in mice to see if they could stop a dangerous flu virus, and they found that these antibodies worked really well.

Methodology

Mice were given humanized monoclonal antibodies before and after being infected with H5N1 virus to assess protection and treatment efficacy.

Limitations

The study was conducted in mice, and results may not directly translate to humans.

Participant Demographics

C57BL/6 mice, female, aged 6-8 weeks.

Digital Object Identifier (DOI)

10.1186/1465-9921-7-126

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