Relevant Assay to Study the Adhesion of Plasmodium falciparum-Infected Erythrocytes to the Placental Epithelium
2011

New Adhesion Assay for Studying Malaria Infected Erythrocytes

Sample size: 7 publication Evidence: high

Author Information

Author(s): Boeuf Philippe, Hasang Wina, Hanssen Eric, Glazier Jocelyn D., Rogerson Stephen J.

Primary Institution: The University of Melbourne

Hypothesis

The study aims to develop a flow cytometry-based adhesion assay that accurately measures the adhesion of Plasmodium falciparum-infected erythrocytes to the placental epithelium.

Conclusion

The new adhesion assay provides a quantitative and relevant method to study the adhesion of malaria-infected erythrocytes, revealing potential alternative adhesins involved in placental adhesion.

Supporting Evidence

  • The assay demonstrated that alternative adhesins could mediate placental adhesion.
  • Adhesion levels varied significantly across vesicle preparations from different placentas.
  • The assay was able to detect a parity-dependent increase in adhesion blocking capacity by maternal antibodies.

Takeaway

Researchers created a new test to see how malaria-infected blood cells stick to the placenta, which can help find better treatments for pregnant women.

Methodology

The study used a flow cytometry-based adhesion assay with apical plasma membrane vesicles from the placenta to measure adhesion of infected erythrocytes.

Limitations

The assay lacks controllable shear stress and requires pathogens to be detectable by flow cytometry.

Participant Demographics

Participants were women delivering by elective caesarian section with uncomplicated pregnancies.

Statistical Information

P-Value

p=0.046; p≤0.0003

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0021126

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