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Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery
Published on: November 5, 2019
Meningococcal serogroup C polysaccharide specific memory B cells, directly enumerated by labeled polysaccharide, are
Maren Henneken1, Nicolas Burdin, Einar Thoroddsen
1Department of Immunology, Landspitali-University Hospital, Reykjavik, Iceland.
Abstract:
The influence of age on the generation and persistence of specific memory B cells after vaccination with Neisseria meningitidis type C polysaccharide (MenC-PS) conjugate is unknown. MenC-PS-specific B cells could be directly enumerated by fluorochrome-labeled MenC-PS and flow cytometry in blood up to at least 4 years after vaccination, ranging from 0.01% to 0.78% of total B cells and did not correlate with age at vaccination. The percentage of MenC-specific memory B cells out of total memory B cells correlated with total MenC-specific B-cells and with frequencies of IgA(+) plus IgG(+) MenC-specific AbSC, but not with MenC-specific Ab.
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