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Development of a peptide ELISA for the diagnosis of Aleutian mink disease.

https://arctichealth.org/en/permalink/ahliterature277369
Source
PLoS One. 2016;11(11):e0165793
Publication Type
Article
Date
2016
Author
Ma F
Zhang L
Wang Y
Lu R
Hu B
Lv S
Xue X
Li X
Ling M
Fan S
Zhang H
Yan X
Source
PLoS One. 2016;11(11):e0165793
Date
2016
Language
English
Publication Type
Article
Abstract
Aleutian disease (AD) is a common immunosuppressive disease in mink farms world-wide. Since the 1980s, counterimmunoelectrophoresis (CIEP) has been the main detection method for infection with the Aleutian Mink Disease Virus (AMDV). In this study, six peptides derived from the AMDV structural protein VP2 were designed, synthesized, and used as ELISA antigens to detect anti-AMDV antibodies in the sera of infected minks. Serum samples were collected from 764 minks in farms from five different provinces, and analyzed by both CIEP (a gold standard) and peptide ELISA. A peptide designated P1 (415 aa-433 aa) exhibited good antigenicity. A novel ELISA was developed using ovalbumin-linked peptide P1 to detect anti-AMDV antibodies in mink sera. The sensitivity and specificity of the peptide ELISA was 98.0% and 97.5%, respectively. Moreover, the ELISA also detected 342 early-stage infected samples (negative by CIEP and positive by PCR), of which 43.6% (149/342) were true positives. These results showed that the peptide ELISA had better sensitivity compared with CIEP, and therefore could be preferable over CIEP for detecting anti-AMDV antibodies in serological screening.
PubMed ID
27802320 View in PubMed
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