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Innate And Adaptive Immunity To The Nematode Strongyloides Stercoralis In A Mouse Model., Sandra Bonne-Annee, Jessica A. Hess, David Abraham
Innate And Adaptive Immunity To The Nematode Strongyloides Stercoralis In A Mouse Model., Sandra Bonne-Annee, Jessica A. Hess, David Abraham
Department of Microbiology and Immunology Faculty Papers
Mice have been used to the study the mechanisms of protective innate and adaptive immunity to larval Strongyloides stercoralis. During primary infection, neutrophils and eosinophils are attracted by parasite components and kill the larvae by release of granule products. Eosinophils also function as antigen-presenting cells for the induction of a Th2 response. B cells produce both IgM and IgG that collaborate with neutrophils to kill worms in the adaptive immune response. Vaccine studies have identified a recombinant diagnostic antigen that induced high levels of immunity to infection with S. stercoralis in mice. These studies demonstrate that there are redundancies in …
Immunization With The Recombinant Antigen Ss-Ir Induces Protective Immunity To Infection With Strongyloides Stercoralis In Mice., David Abraham, Jessica A. Hess, Rojelio Mejia, Thomas J. Nolan, James B. Lok, Sara Lustigman, Thomas B. Nutman
Immunization With The Recombinant Antigen Ss-Ir Induces Protective Immunity To Infection With Strongyloides Stercoralis In Mice., David Abraham, Jessica A. Hess, Rojelio Mejia, Thomas J. Nolan, James B. Lok, Sara Lustigman, Thomas B. Nutman
Department of Microbiology and Immunology Faculty Papers
Human intestinal infections with the nematode Strongyloides stercoralis remain a significant problem worldwide and a vaccine would be a useful addition to the tools available to prevent and control this infection. The goal of this study was to test single antigens for their efficacy in a vaccine against S. stercoralis larvae in mice. Alum was used as the adjuvant in these studies and antigens selected for analysis were either recognized by protective human IgG (Ss-TMY-1, Ss-EAT-6, and Ss-LEC-5) or were known to be highly immunogenic in humans (Ss-NIE-1 and Ss-IR). Only mice immunized with the Ss-IR antigen demonstrated a significant …