Quantification of malaria parasite release from infected erythrocytes: inhibition by protein-free media
2007

New Method to Count Malaria Parasite Release from Infected Red Blood Cells

Sample size: 300 publication 10 minutes Evidence: moderate

Author Information

Author(s): Glushakova Svetlana, Yin Dan, Gartner Nicole, Zimmerberg Joshua

Primary Institution: National Institute of Child Health and Human Development, National Institutes of Health

Hypothesis

Can a new method accurately quantify the release of malaria parasites from infected erythrocytes?

Conclusion

The study presents a novel method for quantifying malaria parasite release that also allows for morphological evaluation of infected cells.

Supporting Evidence

  • The method allows for precise identification of parasite release sites using microscopy.
  • Swelling of schizonts in protein-free media inhibits parasite release.
  • The relative rate of parasite release can be quantified without coupling to parasite invasion.

Takeaway

Researchers found a way to count how many malaria parasites leave infected blood cells, which helps us understand how the disease spreads.

Methodology

The method involves injecting infected erythrocytes into sealed chambers and using microscopy to count the footprints left by released parasites.

Potential Biases

Potential bias in results due to variability in blood donor samples.

Limitations

The method may not account for all variables affecting parasite release, such as the age of erythrocytes used.

Participant Demographics

Human erythrocytes from different blood donors were used.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1475-2875-6-61

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication