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Enhanced Protective Efficacy Of A Chimeric Form Of The Schistosomiasis Vaccine Antigen Sm-Tsp-2, Mark S. Pearson, Darren A. Pickering, Henry J. Mcsorley, Jeffrey M. Bethony, Leon Tribolet, Annette M. Dougall, Peter J. Hotez, Alex Loukas
Enhanced Protective Efficacy Of A Chimeric Form Of The Schistosomiasis Vaccine Antigen Sm-Tsp-2, Mark S. Pearson, Darren A. Pickering, Henry J. Mcsorley, Jeffrey M. Bethony, Leon Tribolet, Annette M. Dougall, Peter J. Hotez, Alex Loukas
Microbiology, Immunology, and Tropical Medicine Faculty Publications
The large extracellular loop of the Schistosoma mansoni tetraspanin, Sm-TSP-2, when fused to a thioredoxin partner and formulated with Freund's adjuvants, has been shown to be an efficacious vaccine against murine schistosomiasis. Moreover, Sm-TSP-2 is uniquely recognised by IgG1 and IgG3 from putatively resistant individuals resident in S. mansoniendemic areas in Brazil. In the present study, we expressed Sm-TSP-2 at high yield and in soluble form in E. coli without the need for a solubility enhancing fusion partner. We also expressed in E. coli a chimera called Sm-TSP-2/5B, which consisted of Sm-TSP-2 fused to …