Vaccination with Newcastle disease vaccine and CpG oligodeoxynucleotides induces specific immunity and protection against Newcastle disease virus in SPF chicken
文献类型: 外文期刊
作者: Zhang Linghua 1 ; Tian Xingshan 2 ; Zhou Fengzhen 2 ;
作者机构: 1.S China Agr Univ, Coll Life Sci, Microbiol Staff Room, Guangzhou 510642, Guangdong, Peoples R China
2.S China Agr Univ, Coll Life Sci, Microbiol Staff Room, Guangzhou 510642, Guangdong, Peoples R China; GuangDong Acad Agr Sci, Guangzhou 510640, Peoples R China
关键词: the SPF chicken;Newcastle disease (ND) vaccine;CpG ODN;immune response
期刊名称:VETERINARY IMMUNOLOGY AND IMMUNOPATHOLOGY ( 影响因子:2.046; 五年影响因子:2.217 )
ISSN: 0165-2427
年卷期: 2007 年 115 卷 3-4 期
页码:
收录情况: SCI
摘要: Oligodeoxynucleotides containing unmethylated CpG motifs (CpG ODN) have been proven to be immunoprotective in mouse models. However, little work has been conducted on in vivo immune responses in chicken with CpG ODN. The objective of this study was to investigate the immunoadjuvant effects of CpG ODN to Newcastle disease (ND) vaccine and its protective effects against ND virus in SPF chicken. In this report, the titre of serum IgG to ND vaccine and the proliferation of lymphocytes were monitored in SPF chickens. The results demonstrated that the above-mentioned immune responses were significantly stronger in chickens that received CpG ODN than in the birds that received only ND vaccine. Furthermore, ND vaccine plus CpG ODN protected SPF chicken from challenge with an otherwise lethal dose of ND virus. These data suggest that CpG ODN holds considerable promise as an adjuvant for future vaccines against ND virus. (c) 2006 Elsevier B.V. All rights reserved.
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