Journal
CLINICAL AND VACCINE IMMUNOLOGY
Volume 14, Issue 3, Pages 281-287Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/CVI.00404-06
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Hookworm infection is one of most important parasitic infection of humans, occurring in 740 million people. Here we report the protective vaccination of dogs with Ac-16, an immunodominant surface antigen from the hookworm Ancylostoma caninum. We show that immunization with Ac-16 formulated with AS03 elicited specific humoral and cellular immune responses and provided partial protection against hookworm infection and morbidity as evidenced by a significant reduction of hookworm egg counts (64% reduction; P = 0.0078) and worm-induced blood loss (P < 0.05). Moreover, specific anti-Ac-16 antibodies recognized the native protein on the surface of third-stage larvae and blocked their migration through tissue in vitro. Our data support the use of Ac-16 as a potential candidate for vaccination against hookworm infection.
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