Stage- and Gender-Specific Proteomic Analysis of Brugia malayi Excretory-Secretory Products
2008

Proteomic Analysis of Brugia malayi Secreted Products

publication Evidence: moderate

Author Information

Author(s): Yovany Moreno, Timothy G. Geary

Primary Institution: Institute of Parasitology, McGill University

Hypothesis

What are the differences in the proteins secreted by different life stages and genders of the parasitic nematode Brugia malayi?

Conclusion

The study identified 228 proteins secreted by different forms of Brugia malayi, revealing stage- and gender-specific differences that contribute to immune evasion.

Supporting Evidence

  • The study identified 228 distinct proteins in the excretory-secretory products of Brugia malayi.
  • Only 32 proteins were shared among all three life stages of the parasite.
  • Different gene ontology profiles were associated with the different excretory-secretory products.

Takeaway

This study looked at the proteins released by a type of worm that causes disease in humans, finding that different types of these worms release different proteins to help them survive in the body.

Methodology

Proteomic analysis using 1D-SDS PAGE and LC-MS/MS to identify proteins from the excretory-secretory products of adult male, adult female, and microfilariae stages of Brugia malayi.

Limitations

The analysis is limited by the low amounts of protein recovered from in vitro incubations.

Statistical Information

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pntd.0000326

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