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Vaccination of fish against Aeromonas hydrophila infections using the novel approach of transcutaneous immunization with dissolving microneedle patches in aquaculture

Cited 11 time in Web of Science Cited 14 time in Scopus
Authors

Yun, Saekil; Lee, Seung-Jun; Giri, Sib Sankar; Kim, Hyoun Joong; Kim, Sang Geun; Kim, Sang Wha; Han, Se Jin; Kwon, Jun; Oh, Woo Taek; Park, Se Chang

Issue Date
2020-02
Publisher
Academic Press
Citation
Fish and Shellfish Immunology, Vol.97, pp.34-40
Abstract
The aim of this study was to develop and evaluate a novel route of administration for vaccinating fish against Aeromonas hydrophila infection using a dissolving microneedles (MNs) patch. The A. hydrophila JUNAH strain was inactivated with formalin and used as a vaccine antigen. It was mixed with dissolvable carboxymethyl cellulose (CMC) as the matrix material to produce the MNs patches. When examined with a scanning electron microscope, each patch has 282 uniformly distributed, pyramid-shaped needles on a circular base. In the skin insertion experiment, the MNs patches were confirmed to be capable of penetrating the skin of the fish. Through agglutination assay and analysis of non-specific parameters like lysozyme and superoxide dismutase, it was verified that the antigen embedded into the patch induced adaptive and innate immune responses in the fish. In the challenge experiment, the group inoculated with the MNs patch and the group injected with formalin killed cells (FKC) showed a similar survival rate. Our results suggest that the FKC-loaded MNs patch is a wholly viable method alternative to injection for the vaccination of fish.
ISSN
1050-4648
URI
https://hdl.handle.net/10371/192502
DOI
https://doi.org/10.1016/j.fsi.2019.12.026
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Related Researcher

  • College of Veterinary Medicine
  • Department of Veterinary Medicine
Research Area Bacteriophage Therapy, Veterinary Medicine, Veterinary Microbiology

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