Protective immunity by DNA vaccine against Micropterus salmoides rhabdovirus

© 2022 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Journal of fish diseases. - 1998. - 45(2022), 10 vom: 01. Okt., Seite 1429-1437
1. Verfasser: Yang, Bin (VerfasserIn)
Weitere Verfasser: Guo, Zi-Rao, Zhao, Zhao, Wang, Tao, Yang, Fei, Ling, Fei, Zhu, Bin, Wang, Gao-Xue
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article DNA vaccine Micropterus salmoides rhabdovirus immune response largemouth bass Vaccines, DNA
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520 |a Micropterus salmoides rhabdovirus (MSRV) is one of the common pathogens in the largemouth bass industry, which can cause lethal diseases in juvenile fish and enormous economic losses. To establish effective means to prevent MSRV infection, the pcDNA3.1-G plasmid containing the MSRV glycoprotein gene was successfully constructed and intramuscularly injected into the largemouth bass to evaluate the immune responses and protective effects in our study. As the results showed, the serum antibody levels of the fish vaccinated with different doses of pcDNA3.1-G were significantly higher compared with the control groups (PBS and pcDNA3.1). Meanwhile, the immune parameters (acid phosphatase and alkaline phosphatase) were also significantly up-regulated. Several immune-related genes (IgM, IL-8, IL-12p40 and CD40) were expressed in the pcDNA3.1-G groups at higher levels than in the control groups, which indicated that strong immune responses were induced. Besides, the survival percentages of fish in the control groups (PBS and pcDNA3.1) and pcDNA3.1-G groups (2.5, 5, 10 and 20 μg/fish) at 14 days after challenge experiment with MSRV were 0%, 0%, 6.1%, 15.2%, 29.0% and 48.5% respectively. This study indicated that pcDNA3.1-G was a prospective DNA vaccine candidate against MSRV-induced mortality 
650 4 |a Journal Article 
650 4 |a DNA vaccine 
650 4 |a Micropterus salmoides rhabdovirus 
650 4 |a immune response 
650 4 |a largemouth bass 
650 7 |a Vaccines, DNA  |2 NLM 
700 1 |a Guo, Zi-Rao  |e verfasserin  |4 aut 
700 1 |a Zhao, Zhao  |e verfasserin  |4 aut 
700 1 |a Wang, Tao  |e verfasserin  |4 aut 
700 1 |a Yang, Fei  |e verfasserin  |4 aut 
700 1 |a Ling, Fei  |e verfasserin  |4 aut 
700 1 |a Zhu, Bin  |e verfasserin  |4 aut 
700 1 |a Wang, Gao-Xue  |e verfasserin  |4 aut 
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