Passive protection of shrimp against white spot syndrome virus (WSSV) using specific antibody from egg yolk of chickens immunized with inactivated virus or a WSSV-DNA vaccine

被引：68
作者：
Lu, Yanan [1 ]
Liu, Junjun [1 ]
Jin, Liji [1 ,2 ]
Li, Xiaoyu [1 ]
Zhen, YuHong [1 ]
Xue, Hongyu [1 ]
You, Jiansong [1 ]
Xu, Yongping [1 ,2 ,3 ]
机构：
[1] Dalian Univ Technol, Dept Biosci & Biotechnol, Dalian 116024, Liaoning, Peoples R China
[2] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116024, Liaoning, Peoples R China
[3] Ctr Food Safety Anim Origin, Minist Educ, Dalian, Peoples R China
来源：
FISH & SHELLFISH IMMUNOLOGY | 2008年 / 25卷 / 05期
基金：
中国国家自然科学基金;
关键词：
White spot syndrome virus; DNA vaccine; Linker; CpG ODNs; Inactivated vaccine; IgY;
D O I：
10.1016/j.fsi.2008.08.010
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
White spot syndrome virus (WSSV) causes high mortality and large economic losses in cultured shrimp. The VP28. VP19 and VP15 genes encode viral structural proteins of WSSV. In this study, hens were immunized with recombinant plasmid (pCI-VP28/VP19/VP15) with linkers or with inactivated WSSV, which used CpG oligodeoxynucleotides (CpG ODNs) and Freund's adjuvant as adjuvant, respectively. Egg yolk immunoglobulin (IgY) from hens immunized with inactivated vaccine and DNA vaccine was obtained, purified and used for protection of Metapenaeus ensis shrimp against WSSV. The data showed that the antibody response of the hens immunized with the DNA vaccine was improved by CpG ODNs as adjuvant, but was still inferior to inactivated WSSV in both sera and egg yolks. Using specific IgY from hens immunized with inactivated WSSV and DNA vaccine to neutralize WSSV, the challenged shrimp showed 73.3% and 33.3% survival, respectively. Thus, the results suggest that passive immunization strategy with IgY will be a valuable method against WSSV infection in shrimp. (C) 2008 Elsevier Ltd. All rights reserved.
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收藏
页码：604 / 610
页数：7
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