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  • Title: Immunization with newly transformed Schistosoma mansoni schistosomula tegument elicits tegument damage, reduction in egg and parasite burden.
    Author: Teixeira de Melo T, Michel de Araujo J, Do Valle Durães F, Caliari MV, Oliveira SC, Coelho PM, Fonseca CT.
    Journal: Parasite Immunol; 2010; 32(11-12):749-59. PubMed ID: 21039615.
    Abstract:
    The surface of the schistosomula is an important target for host immune system attack because the tegument represents the interface between host and parasite and thus is a potential candidate for the development of new intervention strategies. In this study, we evaluated the ability of schistosomula tegument (Smteg) to induce protection in mice. Immunization of mice with Smteg together with Freund adjuvant induced a Th1 type of immune response associated with a significant reduction in worm burden (43-48%), eggs trapped in the liver (65%), eggs eliminated in the faeces (59-60%) and granuloma number (41%). Lastly, during an in vitro study, worms from mice immunized with Smteg showed damage in the adult worm tegument and impaired egg laying.
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