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IgG Avidity Test as a Tool for Discrimination between Recent and Distant Toxoplasma gondii Infection—Current Status of Studies
Abstract
Toxoplasma gondii, an obligate intracellular protozoan parasite, is the causative agent of one of the most prevalent zoonoses worldwide. T. gondii infection is extremely important from a medical point of view, especially for pregnant women, newborns with congenital infections, and immunocompromised individuals. Thus, an accurate and proper diagnosis of this infection is essential. Among the available diagnostic tests, serology is commonly used. However, traditional serological techniques have certain limitations in evaluating the duration of T. gondii infection, which is problematic, especially for pregnant women. Avidity of T. gondii-specific IgG antibodies seems to be a significant tool for discrimination between recent and distant infections. This article describes the problem of diagnosis of T. gondii infection, with regard to IgG avidity tests. The IgG avidity test is a useful serological indicator of toxoplasmosis, which in many cases can confirm or exclude the active form of the disease. IgG antibodies produced in the recent primary T. gondii infection are of low avidity while IgG antibodies with high avidity are detected in the chronic phase of infection. Furthermore, this paper presents important topics of current research that concern the usage of parasite recombinant antigens that may improve the performance of IgG avidity tests.
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- DOI:
- Digital Object Identifier (open in new tab) 10.3390/antib11030052
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Antibodies
no. 11,
ISSN: 2073-4468 - Language:
- Polish
- Publication year:
- 2022
- Bibliographic description:
- Holec-Gąsior L., Sołowińska K.: IgG Avidity Test as a Tool for Discrimination between Recent and Distant Toxoplasma gondii Infection—Current Status of Studies// Antibodies -,iss. 11(3) (2022), s.52-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/antib11030052
- Verified by:
- Gdańsk University of Technology
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