Development of an alternative method to the monkey neurovirulence test for oral poliovirus vaccines

被引:0
|
作者
Kaul, A [1 ]
Nübling, M [1 ]
Kempfer, M [1 ]
Schmidt, I [1 ]
Löwer, J [1 ]
机构
[1] Paul Ehrlich Inst, Abt Virol, D-63225 Langen, Germany
来源
ALTEX-ALTERNATIVEN ZU TIEREXPERIMENTEN | 1998年 / 15卷
关键词
quantitative polymerase chain reaction; oral poliovirus vaccine; monkey neurovirulence test; vaccine associated poliomyelitis; point mutations;
D O I
暂无
中图分类号
R [医药、卫生];
学科分类号
10 ;
摘要
Each oral poliovirus vaccine lot contains attenuated and small amounts of wildtype viruses. Vaccines containing more than a certain limit of of wildtype viruses may cause a vaccine associated poliomyelitis. To provide safe vaccines for humans, each newly manufactured vaccine lot is tested in the monkey neurovirulence test. A certain point mutation on the poliovirus genome has been shown to be responsible for the attenuated phenotype of the vaccine virus. We developed a quantitative PCR method to determine the wildtype proportion at position 472 of poliovirus type 3 genome. This method possibly can be used as an alternative for the monkey, neurovirulence test.
引用
收藏
页码:18 / 20
页数:3
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