Inflammatory responses in Atlantic lumpfish (Cyclopterus lumpus L.) after intraperitoneal injection of a vaccine against Aeromonas salmonicida and Vibrio salmonicida at different water temperatures

© 2024 The Author(s). Journal of Fish Diseases published by John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Journal of fish diseases. - 1998. - 47(2024), 11 vom: 15. Okt., Seite e14001
1. Verfasser: Knutsen, Ingrid Svihus (VerfasserIn)
Weitere Verfasser: Erkinharju, Toni, Bøgwald, Jarl, Dalmo, Roy A, Seternes, Tore
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Aeromonas salmonicida Atlantic lumpfish immune response temperature vaccine Bacterial Vaccines Immunoglobulin M
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520 |a Studying inflammatory responses induced by vaccination can contribute to a more detailed understanding of underlying immune mechanisms in lumpfish (Cyclopterus lumpus). Tissue samples from lumpfish intraperitoneally immunized with a divalent oil-adjuvanted vaccine (Aeromonas salmonicida and Vibrio salmonicida) at water temperatures of 5, 10, and 15°C were collected at 630 day degrees and 18 weeks post injection. The relative amount of secretory and membrane-bound immunoglobulin M (IgM) gene transcripts in the head kidney was determined by qPCR. Vaccine-induced inflammatory lesions were assessed on histological sections of abdominal pancreatic/intestinal tissue from vaccinated fish in all three temperature groups. Inflammatory cells forming dense aggregations in lesions showed proliferative activity, many of which were identified as eosinophilic-granulocyte-like cells. IgM+ cells were scattered in inflammatory tissue dominated by connective tissue, showing no difference in numbers between lesions from fish vaccinated at 5, 10, and 15°C. Relative gene expression analysis of secretory and membrane-bound IgM revealed low overall expression in the head kidney of vaccinated fish at both 630 day-degrees and 18 weeks post injection. The results of this study indicate that the vaccine stimulated prolonged local inflammatory responses at the injection site, which were not influenced by temperature 
650 4 |a Journal Article 
650 4 |a Aeromonas salmonicida 
650 4 |a Atlantic lumpfish 
650 4 |a immune response 
650 4 |a temperature 
650 4 |a vaccine 
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650 7 |a Immunoglobulin M  |2 NLM 
700 1 |a Erkinharju, Toni  |e verfasserin  |4 aut 
700 1 |a Bøgwald, Jarl  |e verfasserin  |4 aut 
700 1 |a Dalmo, Roy A  |e verfasserin  |4 aut 
700 1 |a Seternes, Tore  |e verfasserin  |4 aut 
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