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Lan NGT, Dong HT, Shinn AP, Vinh NT, Senapin S, Salin KR, Rodkhum C. Review of current perspectives and future outlook on bacterial disease prevention through vaccination in Asian seabass (Lates calcarifer). JOURNAL OF FISH DISEASES 2024; 47:e13964. [PMID: 38798108 DOI: 10.1111/jfd.13964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 05/07/2024] [Accepted: 05/14/2024] [Indexed: 05/29/2024]
Abstract
Asian seabass, Lates calcarifer, is an important aquatic species in mariculture. Intensive farming of this species has faced episodes of bacterial diseases, including those due to vibriosis, scale drop, and muscle necrosis disease, big belly disease, photobacteriosis, columnaris, streptococcosis, aeromoniasis, and tenacibaculosis. Vaccination is one of the most efficient, non-antibiotic, and eco-friendly strategies for protecting fish against bacterial diseases, contributing to aquaculture expansion and ensuring food security. As of now, although numerous vaccines have undergone laboratory research, only one commercially available inactivated vaccine, suitable for both immersion and injection administration, is accessible for preventing Streptococcus iniae. Several key challenges in developing vaccines for Asian seabass must be addressed, such as the current limited understanding of immunological responses to vaccines, the costs associated with vaccine production, forms, and routes of vaccine application, and how to increase the adoption of vaccines by farmers. The future of vaccine development for the Asian seabass industry, therefore, is discussed with these key critical issues in mind. The focus is on improving our understanding of Asian seabass immunity, including maternal immunity, immunocompetence, and immune responses post-vaccination, as well as developing tools to assess vaccine effectiveness. The need for an alignment of fish vaccines with state-of-the-art vaccine technologies employed in human and terrestrial animal healthcare is also discussed. This review also discusses the necessity of providing locally-produced autogenous vaccines, especially for immersion and oral vaccines, to benefit small-scale fish farmers, and the potential benefits that might be extended through changes to current husbandry practices such as the vaccination of broodstock and earlier life stages of their off-spring.
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Affiliation(s)
- Nguyen Giang Thu Lan
- The International Graduate Program of Veterinary Science and Technology (VST), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Fish Infectious Diseases (CE FID), Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Aquaculture and Aquatic Resources Management, School of Environment, Resources and Development, Asian Institute of Technology, Pathum Thani, Thailand
| | - Ha Thanh Dong
- Aquaculture and Aquatic Resources Management, School of Environment, Resources and Development, Asian Institute of Technology, Pathum Thani, Thailand
| | | | - Nguyen Tien Vinh
- Aquaculture and Aquatic Resources Management, School of Environment, Resources and Development, Asian Institute of Technology, Pathum Thani, Thailand
| | - Saengchan Senapin
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, Thailand
- Fish Heath Platform, Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Krishna R Salin
- Aquaculture and Aquatic Resources Management, School of Environment, Resources and Development, Asian Institute of Technology, Pathum Thani, Thailand
| | - Channarong Rodkhum
- The International Graduate Program of Veterinary Science and Technology (VST), Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Fish Infectious Diseases (CE FID), Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
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Zhang LJ, Chen Q, Yang JX, Ge JQ. Immune responses and protective efficacy of American eel (Anguilla rostrata) immunized with a formalin-inactivated vaccine against Anguillid herpesvirus. FISH & SHELLFISH IMMUNOLOGY 2024; 144:109262. [PMID: 38040135 DOI: 10.1016/j.fsi.2023.109262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/14/2023] [Accepted: 11/26/2023] [Indexed: 12/03/2023]
Abstract
Anguillid herpesvirus 1 (AngHV), the causative agent of "mucus sloughing and hemorrhagic septicemia disease", causes serious infectious diseases in farmed eel. Among the effective prevention and control strategies, vaccination is one of the most effective approaches. However, no vaccine for AngHV is available. Our study developed a formalin-inactivated AngHV vaccine and evaluated its performance in American eels. Initially, AngHV-FJ, a strain of AngHV, was inactivated completely by 0.1 % formaldehyde, mixed with adjuvant Montanide ISA 763 A VG (763A). Then, vaccines containing different amount of antigen (3 × 106 PFU, 3 × 105 PFU, 3 × 104 PFU, 3 × 103 PFU) were immunized in each American eels. The results showed that the 3 × 105 PFU/fish was the proper dose. The inactivated AngHV vaccine was proven safe for American eels by back intramuscular injection. The results of twice immunization showed that antibody production peaked in the 8th week after the first immunization, and the antibody titer was 1:64,000. Furthermore, the immunized fishes challenged with AngHV (105 PFU/ml immersion) showed a significantly lower incidence rate (33.33 %) than the control group (95.65 %). The survival of the fish in the vaccine group (94.44 %) was significantly higher than the control group (60.87 %). The relative survival rate of the vaccinated group was 85.80 %. Also, vaccine group tissue collected at 7th d post-challenge showed reduced tissue damage and a lower virus load than the control group. The expression of cytokines of IL-1β, IFN-α, IFN-γ, Mx1, RIG-1, and IRF-3, were significantly lower in the vaccine group than the control group at the 7th and 14th d post-challenge. Overall, the formalin-inactivated AngHV vaccine was safe and had immune protective effects against AngHV infection.
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Affiliation(s)
- Li-Juan Zhang
- Institute of Biotechnology, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian, China
| | - Qiang Chen
- Institute of Biotechnology, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian, China
| | - Jin-Xian Yang
- Institute of Biotechnology, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian, China
| | - Jun-Qing Ge
- Institute of Biotechnology, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian, China.
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Wang L, Yoshii K, Murase N, Yamada H, Fukuda Y, Hirono I, Kondo H. Type I interferon induced by polyinosinic-polycytidylic acid does not contribute to the efficacy of a formalin-killed cell vaccine against Edwardsiella piscicida in the Japanese flounder (Paralichthys olivaceus). FISH & SHELLFISH IMMUNOLOGY 2023; 135:108680. [PMID: 36914103 DOI: 10.1016/j.fsi.2023.108680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 03/08/2023] [Accepted: 03/10/2023] [Indexed: 06/18/2023]
Abstract
Polyinosinic-polycytidylic acid (poly I:C) is a type of pathogen-associated molecular pattern that can strongly induce the expression of type I interferon (I-IFN). Our previous study has demonstrated that the combination of poly I:C with a recombinant protein antigen not only stimulated the expression of I-IFN but also conferred protection against Edwardsiella piscicida in the Japanese flounder (Paralichthys olivaceus). In this study, our aim was to develop a better immunogenic and protective fish vaccine, for which we intraperitoneally coinjected P. olivaceus with poly I:C and formalin-killed cells (FKCs) of E. piscicida and compared the efficiency of protection against E. piscicida infection with that of FKC vaccine alone. Results showed that the expression levels of I-IFN, IFN-γ, interleukin (IL)-1β, tumor necrosis factor (TNF)-α, and the interferon-stimulated genes (ISGs) ISG15 and Mx were significantly increased in the spleen of fish inoculated with poly I:C + FKC. The results of ELISA showed that the levels of specific serum antibodies in the FKC and FKC + poly I:C groups were gradually increased until 28 days postvaccination and were significantly higher than those in the PBS and poly I:C groups. At 3 weeks after vaccination in the challenge test, the respective cumulative mortality rates of fish in the PBS, FKC, poly I:C, and poly I:C + FKC groups were 46.7%, 20.0%, 33.3%, and 13.3% under low-concentration challenge and 93.3%, 46.7%, 78.6%, and 53.3% under high-concentration challenge. This study showed that poly I:C may not provide an effective adjuvant effect with FKC vaccine for intracellular bacterial infections.
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Affiliation(s)
- Liu Wang
- Laboratory of Genome Science, Graduate School of Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato-ku, Tokyo, 108-8477, Japan
| | - Keisuke Yoshii
- Fisheries Research Division, Oita Prefectural Agriculture, Forestry and Fisheries Research Center, Oita, 879-2602, Japan
| | - Naoya Murase
- Fisheries Research Division, Oita Prefectural Agriculture, Forestry and Fisheries Research Center, Oita, 879-2602, Japan
| | - Hidetoshi Yamada
- Fisheries Research Division, Oita Prefectural Agriculture, Forestry and Fisheries Research Center, Oita, 879-2602, Japan
| | - Yutaka Fukuda
- Fisheries Research Division, Oita Prefectural Agriculture, Forestry and Fisheries Research Center, Oita, 879-2602, Japan
| | - Ikuo Hirono
- Laboratory of Genome Science, Graduate School of Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato-ku, Tokyo, 108-8477, Japan
| | - Hidehiro Kondo
- Laboratory of Genome Science, Graduate School of Tokyo University of Marine Science and Technology, Konan 4-5-7, Minato-ku, Tokyo, 108-8477, Japan.
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Zhao Z, Peng Y, Shi X, Zhao K. Chitosan derivative composite nanoparticles as adjuvants enhance the cellular immune response via activation of the cGAS-STING pathway. Int J Pharm 2023; 636:122847. [PMID: 36933583 DOI: 10.1016/j.ijpharm.2023.122847] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 02/21/2023] [Accepted: 03/11/2023] [Indexed: 03/18/2023]
Abstract
Chitosan and its derivatives are widely used in vaccine adjuvants and delivery systems. Vaccine antigens encapsulated in or conjugated onto N-2-hydroxypropyl trimethyl ammonium chloride chitosan/N,O-carboxymethyl chitosan nanoparticles (N-2-HACC/CMCS NPs) induce strong cellular, humoral, and mucosal immune responses, but the mechanism of action is not fully understood. Therefore, the purpose of this study was to explore the molecular mechanism of composite NPs by upregulating the cGAS-STING signalling pathway to enhance the cellular immune response. We showed that the N-2-HACC/CMCS NPs could be taken up by RAW264.7 cells and produced high levels of IL-6, IL-12p40, and TNF-α. The N-2-HACC/CMCS NPs activated BMDCs, promoted Th1 responses, and enhanced the expression of cGAS, TBK1, IRF3, and STING, as further demonstrated by qRT-PCR and western blotting. Moreover, the NP-induced expression of I-IFNs, IL-1β, IL-6, IL-10 and TNF-α in macrophages was closely related to cGAS-STING. These findings provide a reference for chitosan derivative nanomaterials as vaccine adjuvants and delivery systems and demonstrate that N-2-HACC/CMCS NPs can engage the STING-cGAS pathway to trigger the innate immune response.
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Affiliation(s)
- Zhi Zhao
- Institute of Nanobiomaterials and Immunology & Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, China; Key Laboratory of Microbiology, College of Heilongjiang Province, School of Life Science, Heilongjiang University, Harbin, Heilongjiang 150080, China
| | - Yue Peng
- Key Laboratory of Microbiology, College of Heilongjiang Province, School of Life Science, Heilongjiang University, Harbin, Heilongjiang 150080, China
| | - Xueao Shi
- Institute of Nanobiomaterials and Immunology & Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, China; Key Laboratory of Microbiology, College of Heilongjiang Province, School of Life Science, Heilongjiang University, Harbin, Heilongjiang 150080, China
| | - Kai Zhao
- Institute of Nanobiomaterials and Immunology & Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, School of Life Science, Taizhou University, Taizhou, Zhejiang 318000, China; Key Laboratory of Microbiology, College of Heilongjiang Province, School of Life Science, Heilongjiang University, Harbin, Heilongjiang 150080, China.
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Hwang JY, Kwon MG, Seo JS, Hwang SD, Jeong JM, Lee JH, Jeong AR, Jee BY. Current use and management of commercial fish vaccines in Korea. FISH & SHELLFISH IMMUNOLOGY 2020; 102:20-27. [PMID: 32272258 DOI: 10.1016/j.fsi.2020.04.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 03/30/2020] [Accepted: 04/02/2020] [Indexed: 06/11/2023]
Abstract
The aquaculture industry in Korea has grown rapidly since the 1960s, and it is a major food source. However, the expansion of aquaculture systems has increased the chances of infectious disease outbreaks, and vaccination plays an important role in commercial fish farming. This is the first comprehensive review of commercial fish vaccines in Korea. It not only provides an overview of commercially available fish vaccines and their associated approval processes and laws, but also some perspectives on research advances regarding fish vaccines in Korea. In Korea, fish vaccines are approved only after their safety and effectiveness have been verified according to the Pharmaceutical Affairs Act, and after approval, each vaccine lot must pass the national evaluation criteria. As of the end of 2019, 29 vaccines were approved for 10 fish pathogens, including both single and combination vaccines containing more than two inactivated pathogens. The approved fish vaccines consist of 2 immersion vaccines, as well as 1 intramuscular and 26 intraperitoneal vaccines, which require syringe injection. All the 29 vaccines are manufactured as formalin-inactivated vaccines; 1 is an adjuvant vaccine and 28 are non-adjuvant vaccines; 25 are bacterial vaccines, 2 are viral vaccines, 1 is a parasite vaccine, and 1 is a parasite and bacterial vaccine. In terms of the target fish species, 27 vaccines are used in the olive flounder (Paralichthys olivaceus), 1 in the starry flounder (Platichthys stellatus), and 1 in the red seabream (Pagrus major), striped beakfish (Oplegnathus fasciatus), and amberjack (Seriola quinqueradiata). This imbalance exists mostly because the olive flounder is the main farmed fish species in Korea. In 2018, 67.71 million vaccine doses were distributed following satisfactory performance in the national evaluation. They were used to vaccinate approximately 80.6% of farmed olive flounders.
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Affiliation(s)
- Jee Youn Hwang
- Aquatic Disease Control Division, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea.
| | - Mun Gyeong Kwon
- Aquatic Disease Control Division, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Jung Soo Seo
- Aquatic Disease Control Division, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Seong Don Hwang
- Aquatic Disease Control Division, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Ji Min Jeong
- Aquatic Disease Control Division, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Ji Hoon Lee
- Aquatic Disease Control Division, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Ah Reum Jeong
- Aquatic Disease Control Division, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
| | - Bo Young Jee
- Aquatic Disease Control Division, National Institute of Fisheries Science (NIFS), 216 Gijanghaean-ro, Gijang-eup, Gijang-gun, Busan, 46083, Republic of Korea
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