Diagnostic performance of Echinococcus granulosus protoscolices antigens in the serodiagnosis of human cystic echinococcosis

Shahabinejad, P and Shahriarirad, R. and Omidian, M and Ghorbani, F and Barazesh, A and Sarkari, B (2020) Diagnostic performance of Echinococcus granulosus protoscolices antigens in the serodiagnosis of human cystic echinococcosis. Journal of Immunoassay and Immunochemistry, 41 (5). pp. 833-840. ISSN 5321819

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Official URL: https://www.tandfonline.com/doi/full/10.1080/15321...


The development of suitable serological tests for the diagnosis of CE is still necessary. This study aimed to evaluate the efficacy of ELISA in the diagnosis of human cystic echinococcosis (CE), using parasite protoscolices antigens. Liver hydatid cysts were isolated from sheep infected with hydatid cysts and the protoscolices were isolated from the hydatid cyst fluid. Protoscolices crude antigen was prepared by mechanical disruption, plus freeze-thawing and sonication methods. Thirty sera samples of confirmed hydatid cyst patients, 30 samples of healthy individuals, and 30 samples of people with other infections were collected and the samples were evaluated in an ELISA system, using the crude protoscolices antigen. The sera samples were also simultaneously evaluated by antigen B-ELISA. The estimated value of sensitivity and specificity for the ELISA, using the crude protoscolices antigens, was 93.3% (95% CI: 76.4–98.8%) and 90% (95% CI: 78.8–95.8%), respectively. These values were 86.6 (95% CI: 68.3–95.6) and 91 (95% CI: 80.81–96.9) for the antigen-B based ELISA. Antigens prepared from protoscolices of hydatid cyst are suitable candidates for the serologic diagnosis of human CE. Further studies are needed to identify a single specific antigen among the protoscolices antigens to improve the diagnostic performance of these antigens.

Item Type: Article
Uncontrolled Keywords: (crude antigen) (Cystic Echinococcosis) (ELISA) (protoscolices)
Subjects: QU Biochemistry
QW Microbiology and Immunology
Divisions: Faculty of Medicin > Department of Immunology and Allergy
Depositing User: خدیجه شبانکاره
Date Deposited: 26 Dec 2020 10:18
Last Modified: 26 Dec 2020 10:18
URI: http://eprints.bpums.ac.ir/id/eprint/9109

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