DEVELOPMENT AND APPLICATION OF A MICRONEUTRALIZATION ELISA FOR THE DETECTION OF ANTIBODIES TO BOVINE RESPIRATORY SYNCYTIAL VIRUSES

被引:5
作者
ELLIS, JA [1 ]
HASSARD, L [1 ]
MORLEY, PS [1 ]
机构
[1] UNIV SASKATCHEWAN,WESTERN COLL VET MED,DEPT VET INTERNAL MED,SASKATOON,SK S7N 0W0,CANADA
关键词
D O I
10.1177/104063879500700203
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
A microneutralization enzyme-linked immunosorbent assay (ELISA) was developed to detect specific antibodies to bovine respiratory syncytial viruses (BRSVs) in cattle sera using a monoclonal antibody to the fusion protein of the virus. Serum from 20 naturally exposed, 24 experimentally infected, and 15 immunized cattle were evaluated using 3 different BRSV isolates. Antibody titers determined with the microneutralization ELISA were compared with those derived from a classical virus neutralization assay, an indirect ELISA, and a fusion inhibition assay. These studies demonstrated a high degree of correlation (usually 0.90) among the assays. Furthermore, the results showed that immunization of cattle with one isolate (subgroup) of BRSV induced antibody responses that cross-reacted with at least 2 disparate isolates. These results document the utility of the microneutralization ELISA in assessing functionally important antibody responses to BRSVs in cattle.
引用
收藏
页码:183 / 189
页数:7
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