Broad vaccine coverage predicted for a bivalent recombinant factor H binding protein based vaccine to prevent serogroup B meningococcal disease

Abstract Factor H binding proteins (fHBP), are bacterial surface proteins currently undergoing human clinical trials as candidate serogroup B Neisseria meningitidis (MnB) vaccines. fHBP protein sequences segregate into two distinct subfamilies, designated A and B. Here, we report the specificity and...

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Veröffentlicht in:Vaccine 2010-08, Vol.28 (37), p.6086-6093
Hauptverfasser: Jiang, Han-Qing, Hoiseth, Susan K, Harris, Shannon L, McNeil, Lisa K, Zhu, Duzhang, Tan, Cuiwen, Scott, Adrienne A, Alexander, Kristin, Mason, Kathryn, Miller, Lynn, DaSilva, Ida, Mack, Michelle, Zhao, Xiao-Juan, Pride, Michael W, Andrew, Lubomira, Murphy, Ellen, Hagen, Michael, French, Roger, Arora, Ashoni, Jones, Thomas R, Jansen, Kathrin U, Zlotnick, Gary W, Anderson, Annaliesa S
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container_end_page 6093
container_issue 37
container_start_page 6086
container_title Vaccine
container_volume 28
creator Jiang, Han-Qing
Hoiseth, Susan K
Harris, Shannon L
McNeil, Lisa K
Zhu, Duzhang
Tan, Cuiwen
Scott, Adrienne A
Alexander, Kristin
Mason, Kathryn
Miller, Lynn
DaSilva, Ida
Mack, Michelle
Zhao, Xiao-Juan
Pride, Michael W
Andrew, Lubomira
Murphy, Ellen
Hagen, Michael
French, Roger
Arora, Ashoni
Jones, Thomas R
Jansen, Kathrin U
Zlotnick, Gary W
Anderson, Annaliesa S
description Abstract Factor H binding proteins (fHBP), are bacterial surface proteins currently undergoing human clinical trials as candidate serogroup B Neisseria meningitidis (MnB) vaccines. fHBP protein sequences segregate into two distinct subfamilies, designated A and B. Here, we report the specificity and vaccine potential of mono- or bivalent fHBP-containing vaccines. A bivalent fHBP vaccine composed of a member of each subfamily elicited substantially broader bactericidal activity against MnB strains expressing heterologous fHBP than did either of the monovalent vaccines. Bivalent rabbit immune sera tested in serum bactericidal antibody assays (SBAs) against a diverse panel of MnB clinical isolates killed 87 of the 100 isolates. Bivalent human immune sera killed 36 of 45 MnB isolates tested in SBAs. Factors such as fHBP protein variant, PorA subtype, or MLST were not predictive of whether the MnB strain could be killed by rabbit or human immune sera. Instead, the best predictor for killing in the SBA was the level of in vitro surface expression of fHBP. The bivalent fHBP vaccine candidate induced immune sera that killed MnB isolates representing the major MLST complexes, prevalent PorA subtypes, and fHBP variants that span the breadth of the fHBP phylogenetic tree. Importantly, epidemiologically prevalent fHBP variants from both subfamilies were killed.
doi_str_mv 10.1016/j.vaccine.2010.06.083
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identifier ISSN: 0264-410X
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language eng
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Allergy and Immunology
Animals
Antibodies
Antigens, Bacterial - immunology
Applied microbiology
Bacterial Proteins - immunology
Biological and medical sciences
Colleges & universities
Female
fHBP
Fundamental and applied biological sciences. Psychology
Humans
LP2086
Meningitis
Meningococcal Infections - immunology
Meningococcal Infections - prevention & control
Meningococcal Vaccines - immunology
Microbiology
Mortality
N. meningitidis serogroup B
Neisseria meningitidis
Neisseria meningitidis, Serogroup B - genetics
Neisseria meningitidis, Serogroup B - immunology
Proteins
Public health
Rabbits
Recombinant Proteins - immunology
Serum Bactericidal Test
Species Specificity
Vaccine
Vaccines
Vaccines, antisera, therapeutical immunoglobulins and monoclonal antibodies (general aspects)
title Broad vaccine coverage predicted for a bivalent recombinant factor H binding protein based vaccine to prevent serogroup B meningococcal disease
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