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A Gel-free Proteomic Analysis of Taenia Solium and Taenia Crassiceps Cysticerci Vesicular Extracts

Overview
Journal Parasitol Res
Specialty Parasitology
Date 2018 Sep 15
PMID 30215138
Citations 3
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Abstract

The taeniasis/cysticercosis complex is a zoonosis caused by the presence of the parasite Taenia solium in humans. It is considered a neglected disease that causes serious public health and economic problems in developing countries. In humans, the most common locations for the larval form are the skeletal muscles, ocular system, and the central nervous system, which is the most clinically important. Several glycoproteins of T. solium and Taenia crassiceps cysticerci have been characterized and studied for their use in the immunodiagnosis of neurocysticercosis and/or the development of synthetic or recombinant vaccines against cysticercosis. The aim of this study was to perform a gel-free shotgun proteomic analysis to identify saline vesicular extract (SVE) proteins of T. solium and T. crassiceps cysticerci. After solubilization of the SVE with and without surfactant reagent and in-solution digestion, the proteins were analyzed by LC-MS/MS. Use of a surfactant resulted in a significantly higher number of proteins that were able to be identified by LC-MS/MS. Novel proteins were identified in T. solium and T. crassiceps SVE. The qualitative analysis revealed a total of 79 proteins in the Taenia species: 29 in T. solium alone, 11 in T. crassiceps alone, and 39 in both. These results are an important contribution to support future investigations and for establishing a Taenia proteomic profile to study candidate biomarkers involved in the diagnosis or pathogenesis of neurocysticercosis.

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