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Systematic antibody responses of calves to low molecular weight Cooperia oncophora antigens

  • M. G B Nieuwland
  • , H. W. Ploeger
  • , A. Kloosterman
  • , H. K. Parmentier*
  • *Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    Abstract

    The systemic antibody responses to adult Cooperia oncophora antigen were studied using sera obtained from calves during a 6-week period following a single oral infection with either 20 000 or 100 000 third-stage C. oncophora larvae. Dose dependent increasing titres of IgG binding complete adult Cooperia antigen were found in the sera of Cooperia-infected calves. SDS-gel electrophoresis under reducing conditions, followed by Western blotting, revealed that the increase of IgG binding Cooperia antigens could be attributed mainly to specific binding of IgG to a complex of 12-15 kDa protein fragments of Cooperia adult antigen. This protein may represent a Cooperia oncophora-specific component that can be used for sero-diagnosis.

    Original languageEnglish
    Pages (from-to)231-239
    Number of pages9
    JournalVeterinary Parasitology
    Volume59
    Issue number3-4
    DOIs
    Publication statusPublished - 1 Jan 1995

    Keywords

    • Cattle-Nematoda
    • Cooperia oncophora
    • Humoral immunity
    • Proteins
    • Western blotting

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