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Related Experiment Video

Updated: May 28, 2026

Enriching Subcellular Proteins in Leptospira Using a Triton X-114-Based Fractionation Approach
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Exploring the Fasciola hepatica tegument proteome.

R Alan Wilson1, Janelle M Wright, William de Castro-Borges

  • 1Centre for Immunology and Infection, Department of Biology, University of York, Heslington, York YO10 5DD, United Kingdom. raw3@york.ac.uk

International Journal for Parasitology
|October 25, 2011
PubMed
Summary

Researchers identified key surface proteins on the liver fluke Fasciola hepatica, revealing potential vaccine candidates. This study advances understanding of parasite-host interactions and tegumental components.

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Area of Science:

  • Parasitology
  • Proteomics
  • Immunology

Background:

  • The liver fluke Fasciola hepatica's tegument is crucial for host interaction during infection.
  • Understanding tegumental proteins is vital for controlling fascioliasis, but knowledge is limited.

Purpose of the Study:

  • To identify and characterize proteins on the surface and in secretions of the Fasciola hepatica tegument.
  • To explore potential vaccine targets against liver fluke infection.

Main Methods:

  • Applied Schistosoma mansoni techniques to F. hepatica for tegument surface membrane enrichment.
  • Utilized tandem mass spectrometry with new F. hepatica transcript databases.
  • Analyzed fluke 'vomitus' and supernatant from haematin-depleted flukes.

Main Results:

  • Identified shared proteins with schistosome tegument (annexins, tetraspanin, carbonic anhydrase, CD59 orthologue).
  • Discovered F. hepatica-specific proteins with lectin, cubulin, and von Willebrand factor domains.
  • Characterized proteases and a second von Willebrand factor domain protein in secretions, despite challenges with fluke vomiting.

Conclusions:

  • Proteomic approaches can define F. hepatica tegumental surface components.
  • Several identified surface proteins are potential vaccine candidates.
  • Preventing fluke vomiting is necessary for accurate characterization of tegument secretions.