PUBLICATION
Use of Poly(I:C) Stabilized with Chitosan As a Vaccine-Adjuvant Against Viral Hemorrhagic Septicemia Virus Infection in Zebrafish
- Authors
- Kavaliauskis, A., Arnemo, M., Kim, S.H., Ulanova, L., Speth, M., Novoa, B., Dios, S., Evensen, Ø., Griffiths, G.W., Gjøen, T.
- ID
- ZDB-PUB-151029-3
- Date
- 2015
- Source
- Zebrafish 12(6): 421-31 (Journal)
- Registered Authors
- Novoa, Beatriz
- Keywords
- none
- MeSH Terms
-
- Adjuvants, Immunologic
- Animals
- Cells, Cultured
- Chitosan/chemistry*
- Head Kidney/cytology
- Head Kidney/metabolism
- Hemorrhagic Septicemia, Viral/prevention & control*
- Hemorrhagic Septicemia, Viral/virology
- Novirhabdovirus/immunology*
- Polynucleotides/chemistry
- Polynucleotides/immunology*
- Viral Vaccines/immunology*
- Zebrafish*
- PubMed
- 26509227 Full text @ Zebrafish
Citation
Kavaliauskis, A., Arnemo, M., Kim, S.H., Ulanova, L., Speth, M., Novoa, B., Dios, S., Evensen, Ø., Griffiths, G.W., Gjøen, T. (2015) Use of Poly(I:C) Stabilized with Chitosan As a Vaccine-Adjuvant Against Viral Hemorrhagic Septicemia Virus Infection in Zebrafish. Zebrafish. 12(6):421-31.
Abstract
There is an urgent need for more efficient viral vaccines in finfish aquaculture worldwide. Here, we report the use of poly(I:C) stabilized with chitosan as an adjuvant for development of better finfish vaccines. The adjuvant was co-injected with inactivated viral hemorrhagic septicemia virus (VHSV) (CSpIC+iV vaccine) in adult zebrafish and its efficiency in protection against VHSV infection was compared to a live, attenuated VHS virus vaccine (aV). Both free and stabilized poly(I:C) were strong inducers of an antiviral state, measured by transcriptional activation of the genes of viral sensors: toll-like receptors, interferons, and interferon-stimulated genes, such as MXa within 48 h after injection. Both the CSpIC+iV and the aV formulations provided a significant protection against VHSV-induced mortality. However, when plasma from survivors was tested for neutralizing antibodies in an in vitro protection assay, we could not demonstrate any protective effect. On the contrary, plasma from aV vaccinated fish enhanced cytopathic effects, indicating that antibody-dependent entry may play a role in this system. Our results show that poly(I:C) is a promising candidate as an adjuvant for fish vaccination against viral pathogens, and that the zebrafish is a promising model for aquaculture-relevant vaccination studies.
Genes / Markers
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Orthology
Engineered Foreign Genes
Mapping