Artikel ; Online: Maternal anti-Toxoplasma gondii antibodies IgG2, IgG3 and IgG1 are markers of vertical transmission and clinical evolution of toxoplasmosis in the offspring
Acta Tropica. 2023 July, v. 243 p.106943-
2023
Abstract: Toxoplasma gondii can be transmitted vertically during pregnancy and may cause neurological, ocular, and even systemic damage to the offspring. Congenital toxoplasmosis (CT) can be diagnosed during gestation and/or after birth in the postnatal period. ... ...
| Abstract | Toxoplasma gondii can be transmitted vertically during pregnancy and may cause neurological, ocular, and even systemic damage to the offspring. Congenital toxoplasmosis (CT) can be diagnosed during gestation and/or after birth in the postnatal period. The timely diagnosis is highly relevant for efficient clinical management. The most common laboratory methods for diagnosing CT are based on Toxoplasma-specific humoral immune responses. However, these methods are of low sensitivity or specificity. In a previous study with a small number of cases, the comparison of anti-T. gondii IgG subclasses between mothers and their offspring showed promising results for CT diagnosis and prognosis. Thus, in this work, we analyzed specific IgG subclasses and IgA in 40 T. gondii-infected mothers and their children, of which 27 were congenitally infected and 13 uninfected. A higher frequency of anti-Toxoplasma IgG2, IgG3, IgG4, and IgA antibodies was observed in mothers and congenitally infected offspring. Of these, IgG2 or IgG3 were statistically the most conspicuous. In the CT group, maternal IgG3 antibodies were significantly associated with severe disease of the infants and IgG1 and IgG3 with disseminated disease. The results support that maternal anti-T. gondii IgG3, IgG2 and IgG1 are markers of congenital transmission and severity/spread of disease in the offspring. |
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| Schlagwörter | Toxoplasma gondii ; disease course ; disease severity ; disease transmission ; immunoglobulin G ; postpartum period ; pregnancy ; progeny ; prognosis ; toxoplasmosis ; Congenital toxoplasmosis ; Laboratory diagnosis ; Maternal IgG subclasses ; Vertical transmission ; Disease outcome |
| Sprache | Englisch |
| Erscheinungsverlauf | 2023-07 |
| Erscheinungsort | Elsevier B.V. |
| Dokumenttyp | Artikel ; Online |
| ZDB-ID | 210415-5 |
| ISSN | 1873-6254 ; 0001-706X |
| ISSN (online) | 1873-6254 |
| ISSN | 0001-706X |
| DOI | 10.1016/j.actatropica.2023.106943 |
| Datenquelle | NAL Katalog (AGRICOLA) |
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