Binding of Complement Factor H (FH) Decreases Protective Anti-FH Binding Protein Antibody Responses of Infant Rhesus Macaques Immunized With a Meningococcal Serogroup B Vaccine

Abstract excerpt

BACKGROUND: The meningococcal vaccine antigen, factor H (FH)-binding protein (FHbp), binds human complement FH. In human FH transgenic mice, binding decreased protective antibody responses. METHODS: To investigate the effect of primate FH binding, we immunized rhesus macaques with a 4-component serogroup B vaccine (4CMenB). Serum FH in 6 animals bound strongly to FHbp (FHbp-FH(high)) and, in 6 animals, bound...

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