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Mechanisms by which maternal antibodies influence infant vaccine responses: review of hypotheses and definition of main determinants.
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 Mechanisms by which maternal antibodies influence infant vaccine responses: review of hypotheses and definition of main determinants. Siegrist CA. Departments of Pathology and Pediatrics, Centre for Vaccinology and Neonatal Immunology, University of Geneva, CMU, 1 rue Michel-Servet, 1211 Geneva 4, Switzerland. claire-anne.siegrist@medecine.unige.ch Several mechanisms have been suggested as mediating the inhibitory influence of maternal antibodies (MatAb) on infant responses. This inhibition is B cell determinant-specific, depends on the ratio between MatAb titers at the time of immunization and the dose of vaccine antigen, and leaves infant T cell responses largely unaffected. Neutralization of vaccine replication or FcgammaRIIB-mediated inhibitory signalling to infant B cells would not account for these characteristics. In contrast, determinant-specific masking of B cell epitopes and APC uptake of MatAb:vaccine antigen immune complexes, followed by antigen processing and presentation, explain the pattern of pre-clinical and clinical responses to infant vaccines. This allows the definition of the main determinants of the influence of MatAb on infant immunity. Publication Types:
Return to Vaccination News Home Page __» Right-click to "open in new window" DISCLAIMER: All information, data, and material contained, presented, or provided here is for general information purposes only and is not to be construed as reflecting the knowledge or opinions of the publisher, and is not to be construed or intended as providing medical or legal advice. The decision whether or not to vaccinate is an important and complex issue and should be made by you, and you alone, in consultation with your health care provider.
DISCLAIMER: All information, data, and material contained, presented, or provided here is for general information purposes only and is not to be construed as reflecting the knowledge or opinions of the publisher, and is not to be construed or intended as providing medical or legal advice. The decision whether or not to vaccinate is an important and complex issue and should be made by you, and you alone, in consultation with your health care provider.
Copyright 2012 by Vaccination News, A Non-Profit Corporation. All Rights Reserved. This content may not be copied unless permission in writing from Sandy Gottstein has been obtained. 
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