Enzyme-linked immunosorbent assay for the detection of porcine epidemic diarrhea coronavirus antibodies in swine sera.

Enzyme-linked immunosorbent assay for the detection of porcine epidemic diarrhea coronavirus antibodies in swine sera.
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DOI:
10.1016/0378-1135(90)90037-v
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发表时间:
1990-01
影响因子:
3.3
通讯作者:
Wyler R
Wyler R
中科院分区:
农林科学2区
文献类型:
--
作者:
Hofmann M;Wyler R

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以猪流行性腹泻冠状病毒(PEDV)细胞培养物为包被抗原,建立了检测血清中PEDV抗体的酶联免疫吸附试验(ELISA)。20%和45%(w/w)蔗糖缓冲液超离心法是最佳的抗原纯化方法。对1024份猪血清的检测结果表明,与间接免疫荧光法相比,ELISA法具有较高的特异性和敏感性。对PEDV具有高抗体滴度的参考血清来源于实验感染PEDV的两头猪。三种不同的抗原纯化方法和ELISA的优点相比,免疫荧光试验进行了讨论。
An enzyme-linked immunosorbent assay (ELISA) for detecting serum antibodies to the porcine epidemic diarrhea coronavirus (PEDV) was established by using cell culture-grown PEDV as antigen for coating. Ultracentrifugation through 20 and 45% (w/w) sucrose cushion proved to be the best antigen purification method. Examination of 1024 swine sera showed a high specificity and a greater sensitivity of the ELISA, when compared with indirect immunofluorescence. Reference sera with high antibody titers to PEDV originated from two pigs experimentally infected with PEDV. Three different antigen purification methods and the advantages of the ELISA compared with an immunofluorescence test are discussed.
DOI: 10.1016/0022-1759(88)90205-0
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