Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 510725
Title Pregnancy boosts vaccine-induced Bovine Neonatal Pancytopenia-associated alloantibodies
Author(s) Benedictus, Lindert; Rutten, Victor; Koets, A.P.
Source Vaccine 34 (2016)8. - ISSN 0264-410X - p. 1002 - 1005.
Department(s) CVI Bacteriology and Epidemiology
Publication type Refereed Article in a scientific journal
Publication year 2016
Abstract Although maternal vaccination is generally considered to be safe, the occurrence of Bovine Neonatal Pancytopenia (BNP) in cattle shows that maternal vaccination may pose a risk to the offspring. Pregsure© BVD-induced maternal alloantibodies cause BNP in newborn calves. The occurrence of BNP years after last Pregsure© BVD vaccination indicates that alloantibody levels may remain high in dams. Since pregnancy induces alloantibodies we hypothesized that pregnancy boosts the vaccine-induced alloantibody response. Alloantibody levels in Pregsure© BVD-vaccinated dams increased from conception towards the end of gestation and declined after parturition. In parallel, BVDV-antibody levels remained constant, indicating that there is specific boosting of alloantibodies. Since the rise in alloantibodies coincides with pregnancy and other alloantigen sources were excluded, we concluded that fetal alloantigens expressed during pregnancy boost the alloimmune response in the dam. These results help explain why BNP cases occur even years after Pregsure© BVD has been taken off the market.
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