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一种用于区分感染传染性胃肠炎病毒(TGEV)或与TGEV相关的猪呼吸道冠状病毒的猪血清抗体的竞争性抑制酶联免疫吸附测定。

A competitive inhibition ELISA for the differentiation of serum antibodies from pigs infected with transmissible gastroenteritis virus (TGEV) or with the TGEV-related porcine respiratory coronavirus.

作者信息

Callebaut P, Pensaert M B, Hooyberghs J

机构信息

Laboratory of Virology, Faculty of Veterinary Medicine, State University of Ghent, Belgium.

出版信息

Vet Microbiol. 1989 May;20(1):9-19. doi: 10.1016/0378-1135(89)90003-5.

Abstract

A competitive inhibition ELISA was developed to detect non-neutralizing antibodies to the peplomer protein of transmissible gastroenteritis virus (TGEV) in porcine sera using a monoclonal antibody as an indicator. It was demonstrated that field strains of the TGEV-related porcine respiratory coronavirus (PRCV) did not induce this antibody, whereas the Miller strain and field strains of TGEV did. The sensitivity of the competitive inhibition ELISA appeared to be similar to that of the virus neutralization (VN) test. The test enables differentiation of pigs which were previously infected with TGEV or PRCV and which cannot be distinguished by the classical anti-TGEV neutralization test. The present test is useful for selective serodiagnosis.

摘要

建立了一种竞争性抑制酶联免疫吸附测定法(ELISA),以单克隆抗体为指示剂检测猪血清中针对传染性胃肠炎病毒(TGEV)纤突蛋白的非中和抗体。结果表明,与TGEV相关的猪呼吸道冠状病毒(PRCV)的野毒株不诱导产生这种抗体,而TGEV的Miller株和野毒株则能诱导产生。竞争性抑制ELISA的灵敏度似乎与病毒中和(VN)试验相似。该试验能够区分先前感染过TGEV或PRCV的猪,而这是经典的抗TGEV中和试验无法区分的。本试验对于选择性血清学诊断很有用。

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