Profiling excretory/secretory proteins of Trichinella Spiralis muscle larvae by Two-dimensional gel electrophoresis and mass spectrometry

Publisher:
Elsevier
Publication Type:
Journal Article
Citation:
Veterinary Parasitology, 2005, 132 (1-2), pp. 37 - 41
Issue Date:
2005-01
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Infection of mammalian skeletal muscle with the intracellular parasite Trichinella spiralis results in profound alterations in the host cell and a realignment of host cell gene expression. The role of parasite excretory/secretory (E/S) products in mediating these effects is unknown, largely due to the difficulty in identifying and assigning function to individual proteins. In this study, we have used two-dimensional electrophoresis to analyse the profile of muscle larva excreted/secreted proteins and have coupled this to protein identification using MALDI-TOF mass spectrometry. Interpretation of the peptide mass fingerprint data has relied primarily on the interrogation of a custom-made Trichinella EST database and the NemaGene cluster database for T. spiralis. Our results suggest that this proteomic approach is a useful tool to study protein expression in Trichinella spp. and will contribute to the identification of excreted/secreted proteins.
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