ArticleParasitology research2021
Screening, construction, and serological identification of the diagnostic antigen molecule EG-06283 for the diagnosis of Echinococcus granulosus.
Article in Parasitology research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 2 citations in OpenAlex.
- Complicated Liver Cystic Echinococcosis-A Comprehensive Literature Review and a Tale of Two Extreme Cases.Tomography (Ann Arbor, Mich.) · 2024Review
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
Abstract
Several strategies exist to prevent and control echinococcosis, a global parasitic disease. However, most treatments are ineffective and adverse effects are common. Therefore, we aimed to screen protoscolex antigen molecules of Echinococcus granulosus to identify a diagnostic biomarker for hydatid disease. Published E. granulosus transcriptome sequencing data were analyzed to screen for antigen molecules that are highly expressed in protoscoleces but not in oncospheres. The membrane protein EG-06283 (annotated as Frizzled-4) was selected from 16 antigens, and its gene fragment was subjected to codon optimization and synthesis. rEG-06283 expression was induced in the pET-24a/EG-06283/BL21 strain; subsequently, the protein was purified and subcutaneously injected into ICR mice at weeks 0, 2, 4, and 6. Blood sampling occurred periodically to quantify serum immunoglobulin G (IgG) levels via enzyme-linked immunosorbent assays (ELISA). Immunogenicity was determined by western blot assays using sera from normal mice and mice with secondary hydatid infections. The antigen's immune reactivity and diagnostic value were validated using sera of patients with hydatid disease. ELISA results confirmed that the antigen molecule induced specific IgG production in mice, resulting in significantly higher levels than those in the adjuvant and control groups (P < 0.05). The western blot results indicated that the protein was recognized by antibodies in the sera of mice with hydatid infection and the antisera of immunized mice. Quantification of protein levels in the sera of patients with hydatid disease significantly differed from levels in healthy participants (P < 0.05). These results indicate that rEG-06283 is a potential diagnostic antigen for E. granulosus infections.
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