Immunization with a Mu-class glutathione transferase from Echinococcus granulosus induces efficient antibody responses and confers long-term protection against secondary cystic echinococcosis

Dublin Core

Title

Immunization with a Mu-class glutathione transferase from Echinococcus granulosus induces efficient antibody responses and confers long-term protection against secondary cystic echinococcosis

Subject

ECHINOCOCCUS GRANULOSUS
GLUTATION-S-TRANSFERASA
VACUNAS
ANTICUERPOS
BIBLIOGRAFIA NACIONAL QUIMICA
2024

Abstract

Cystic echinococcosis, a zoonosis caused by cestodes belonging to the Echinococcus granulosus sensu lato (s.l.) genetic complex, affects humans and diverse livestock species. Although a veterinary vaccine exhibiting high levels of antibody-mediated protection has successfully reached the market, the large genetic diversity among parasite isolates and their particular host preferences, makes still necessary the search for novel vaccine candidates. Glutathione transferases (GSTs) constitute attractive targets for immunoprophylaxis due to their outstanding relevance in helminth detoxification processes, against both exogenous and endogenous stressors. Among the six GSTs known to be expressed in E. granulosus s.l., EgGST1 (Mu-class), EgGST2 (Sigma-class), and EgGST3 (a still non-classifiable isoenzyme), show the highest proteomic expression. Therefore, their recombinant forms -rEgGST1, rEgGST2 and rEgGST3- were herein analyzed regarding their potential to induce long-term antiparasite protection in mice. Only immunization with rEgGST1 induced long-lasting protection; and accordingly, rEgGST1-specific antibodies enhanced the parasite killing through both the classical activation of the host complement system and the antibody-dependent cellular cytotoxicity by macrophages. These results support further testing of rEgGST1 as a vaccine candidate in diverse hosts due to the broad expression of EgGST1 in different parasite stages and tissues.

Creator

Arbildi, Paula
Muniz Lagos, Ana Clara
Fernández, Eugenia
Giorgi, Rosina
Wiater, Kai
Mourglia Ettlin, Gustavo
Fernández, Verónica

Source

Microbes and Infection v. 26, 2024. -- e105364

Publisher

Elsevier

Date

2024

Rights

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Format

PDF

Extent

9 p.

Language

Inglés

Type

Artículo

Identifier

10.1016/j.micinf.2024.105364

Document Item Type Metadata

Original Format

PDF
Date Added
August 5, 2024
Collection
Bibliografía Nacional Química
Item Type
Document
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Citation
Arbildi, Paula et al., “Immunization with a Mu-class glutathione transferase from Echinococcus granulosus induces efficient antibody responses and confers long-term protection against secondary cystic echinococcosis,” RIQUIM - Repositorio Institucional de la Facultad de Química - UdelaR, accessed November 17, 2025, https://riquim.fq.edu.uy/items/show/6817.