• Author: Erneholm, Karin

    University of Copenhagen, Denmark

  • Author: Lorenzen, Emma

    University of Copenhagen, Denmark

  • Author: Boje, Sarah

    University of Copenhagen, Denmark

  • Author: Olsen, Anja Weinreich

    Statens Serum Institut, Denmark

  • Author: Jungersen, Gregers

    Adaptive Immunology, Experimental & Translational Immunology, Department of Health Technology, Technical University of Denmark, Kemitorvet, 2800, Kgs. Lyngby, Denmark

  • Author: Jensen, Henrik E.

    University of Copenhagen, Denmark

  • Author: Cassidy, Joseph P.

    University College Dublin, Ireland

  • Author: Andersen, Peter

    Statens Serum Institut, Denmark

  • Author: Agerholm, Jørgen S.

    University of Copenhagen, Denmark

  • Author: Follmann, Frank

    Statens Serum Institut, Denmark

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The development of a vaccine against genital chlamydia in women is advancing, and the evaluation of in situ immune responses following vaccination and challenge infections is crucial for development of a safe and protective vaccine. This study employs the sexually mature minipig model to characterize the genital in situ immune response to Chlamydia trachomatis infection in pigs previously immunized intramuscularly with UV-inactivated C. trachomatis serovar D (UV-SvD) adjuvanted/formulated with CAF01 adjuvant compared to a CAF01-alone control group. Pigs immunized with UV-SvD were significantly protected against vaginal challenge with C. trachomatis on day 3 post inoculation and showed significantly higher cervical infiltrations of approximately equal numbers of CD4+ and CD8+ T-cells, and IgG+ and IgA+ plasma cells compared to adjuvant-alone immunized controls. These immunological signatures correspond to findings in mice and are similar to those described in female chlamydia patients. This proves important potential for the pig model in elucidating immunological in situ signatures in future translational research in chlamydia vaccinology.
Original languageEnglish
Article number197
JournalFrontiers in Microbiology
Number of pages10
Publication statusPublished - 2019
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Porcine, Chlamydia, Pathology, Histology, Vaccine

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