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Epstein-barr virus, but not cytomegalovirus, latency accelerates the decay of childhood measles and rubella vaccine responses-A 10-year follow-up of a Swedish birth cohort

Journal article
Authors Gintare Lasaviciute
Sophia Björkander
Claudia Carvalho-Queiroz
Ida Hed Myrberg
Bianca Nussbaum
Caroline Nilsson
Mats Bemark
Anna Nilsson
Eva Sverremark-Ekström
Shanie Saghafian-Hedengren
Published in Frontiers in Immunology
Volume 8
Publication year 2017
Published at Institute of Biomedicine, Department of Microbiology and Immunology
Language en
Links https://www.frontiersin.org/article...
Keywords Cytomegalovirus, Epstein-Barr virus, IgG titers, IL-21, Immunocompetent host, Measles, Plasmablasts, Rubella
Subject categories Immunology in the medical area

Abstract

© 2017 Lasaviciute, Björkander, Carvalho-Queiroz, Hed Myrberg, Nussbaum, Nilsson, Bemark, Nilsson, Sverremark-Ekström and Saghafian-Hedengren. Background: Epstein-Barr virus (EBV) and cytomegalovirus (CMV) are ubiquitous and persistent herpesviruses commonly acquired during childhood. Both viruses have a significant impact on the immune system, especially through mediating the establishment of cellular immunity, which keeps these viruses under control for life. Far less is known about how these viruses influence B-cell responses. Objectives: To evaluate the impact of latent EBV and CMV infection on rubella- and measles-specific antibody responses as well as on the B-cell compartment in a prospective birth cohort followed during the first 10 years of life. Methods: IgG titers against rubella and measles vaccines were measured in plasma obtained from the same donors at 2, 5, and 10 years of age. Peripheral B-cell subsets were evaluated ex vivo at 2 and 5 years of age. Factors related to optimal B-cell responses including IL-21 and CXCL13 levels in plasma were measured at all-time points. Results: EBV carriage in the absence of CMV associated with an accelerated decline of rubella and measles-specific IgG levels (p = 0.003 and p = 0.019, respectively, linear mixed model analysis), while CMV carriage in the absence of EBV associated with delayed IgG decay over time for rubella (p = 0.034). At 5 years of age, EBV but not CMV latency associated with a lower percentage of plasmablasts, but higher IL-21 levels in the circulation. Conclusion: Our findings suggest that EBV carriage in the absence of CMV influences the B-cell compartment and the dynamics of antibody responses over time during steady state in the otherwise healthy host.

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Denna text är utskriven från följande webbsida:
http://www.gu.se/english/research/publication/?publicationId=262672
Utskriftsdatum: 2019-08-18