Opsonophagocytosis of Fluorescent Polystyrene Beads Coupled to Neisseria meningitidis Serogroup A, C, Y, or W135 Polysaccharide Correlates with Serum Bactericidal Activity

Author:

Martinez Joseph1,Pilishvili Tamara1,Barnard Suzanne2,Caba Joseph1,Spear Willie1,Romero-Steiner Sandra1,Carlone George M.1

Affiliation:

1. Centers for Disease Control and Prevention, Atlanta, Georgia

2. University of Glasgow, Glasgow, Scotland

Abstract

ABSTRACT We developed a polysaccharide-specific flow cytometric opsonophagocytic assay (OPA) for the simultaneous measurement of functional antibody to Neisseria meningitidis serogroups A, C, Y, and W135. OPA titers significantly correlated with serum bactericidal assay titers for all serogroups tested (mean r = 0.96; P < 0.001). OPA could be used in meningococcal vaccine evaluation.

Publisher

American Society for Microbiology

Subject

Microbiology (medical),Clinical Biochemistry,Immunology,Immunology and Allergy

Reference24 articles.

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