Monoclonal Antibodies to Anthrolysin O Extend Survival in Mice Infected with Bacillus anthracis
Author Information
Author(s): Antonio Nakouzi, Johanna Rivera, Richard F Rest, Arturo Casadevall
Primary Institution: Albert Einstein College of Medicine
Hypothesis
Does passive administration of monoclonal antibodies to anthrolysin O prolong survival in mice infected with Bacillus anthracis?
Conclusion
The study suggests that anthrolysin O contributes to the virulence of Bacillus anthracis and that antibody responses to it may provide protection.
Supporting Evidence
- Mice receiving anti-ALO mAbs had a survival rate of 20% compared to 8% in control groups.
- The combination of two mAbs was more effective than either mAb alone.
- Three of the five mAbs generated were IgM, indicating a diverse immune response.
Takeaway
Researchers found that giving special antibodies to mice helped them live longer after being infected with a harmful bacteria called Bacillus anthracis.
Methodology
Mice were immunized with recombinant anthrolysin O and then given monoclonal antibodies before being infected with Bacillus anthracis to assess survival.
Limitations
The contribution of anthrolysin O to overall virulence may be less significant compared to other virulence factors.
Participant Demographics
Female BALB/c and A/JCr mice, 6–8 weeks old.
Statistical Information
P-Value
0.049
Statistical Significance
p = 0.049
Digital Object Identifier (DOI)
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