Pregnancy boosts vaccine-induced Bovine Neonatal Pancytopenia-associated alloantibodies

Lindert Benedictus, Victor Rutten, A.P. Koets

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)

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.
Original languageEnglish
Pages (from-to)1002-1005
JournalVaccine
Volume34
Issue number8
DOIs
Publication statusPublished - 2016

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Isoantibodies
Pancytopenia
bovine viral diarrhea
Vaccines
pregnancy
vaccines
Pregnancy
cattle
vaccination
Vaccination
Isoantigens
Mothers
neonates
calves
parturition
markets
antibodies
Parturition
Antibodies

Cite this

Benedictus, Lindert ; Rutten, Victor ; Koets, A.P. / Pregnancy boosts vaccine-induced Bovine Neonatal Pancytopenia-associated alloantibodies. In: Vaccine. 2016 ; Vol. 34, No. 8. pp. 1002-1005.
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title = "Pregnancy boosts vaccine-induced Bovine Neonatal Pancytopenia-associated alloantibodies",
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{\circledC} BVD-induced maternal alloantibodies cause BNP in newborn calves. The occurrence of BNP years after last Pregsure{\circledC} 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{\circledC} 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{\circledC} BVD has been taken off the market.",
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Pregnancy boosts vaccine-induced Bovine Neonatal Pancytopenia-associated alloantibodies. / Benedictus, Lindert; Rutten, Victor; Koets, A.P.

In: Vaccine, Vol. 34, No. 8, 2016, p. 1002-1005.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Benedictus, Lindert

AU - Rutten, Victor

AU - Koets, A.P.

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N2 - 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.

AB - 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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