Novel Monoclonal Antibodies 1D2 and 4E4 Against Aspergillus Glycoprotein Antigens Detect Early Invasive Aspergillosis in Mice
2024

New Antibodies for Early Detection of Aspergillus Infections in Mice

Sample size: 15 publication 10 minutes Evidence: moderate

Author Information

Author(s): Lian Xihua, Scott-Thomas Amy, Lewis John G., Bhatia Madhav, Chambers Stephen T.

Primary Institution: University of Otago

Hypothesis

Can novel monoclonal antibodies detect early invasive aspergillosis in a mouse model?

Conclusion

The study found that the monoclonal antibodies 1D2 and 4E4 can detect early signs of invasive aspergillosis in mice infected with Aspergillus species.

Supporting Evidence

  • Antigens were detected in blood samples from mice 18 hours after infection with A. fumigatus.
  • Hyphae were found in tissue samples 48 hours after infection with A. fumigatus.
  • 1D2 and 4E4 antibodies successfully identified swollen conidia in spleen tissue after 18 hours.
  • Antigens were not detectable in urine samples from any of the mice.

Takeaway

Scientists created special antibodies that can find a type of fungus in sick mice really quickly, which could help doctors treat people faster.

Methodology

Immunocompromised mice were infected with different Aspergillus species, and blood and tissue samples were analyzed using ELISA and immunohistochemistry.

Potential Biases

Potential bias in the selection of mouse model and infection methods.

Limitations

The study primarily focused on two species of Aspergillus and may not be applicable to others.

Participant Demographics

Male Balb/c mice aged 10 to 12 weeks.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/jof10120832

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