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Artículo

Toxoplasma gondii infection modulate systemic allergic immune response in BALB/c mice

Fenoy, Ignacio MartínIcon ; Sánchez, Vanesa RoxanaIcon ; Soto, Ariadna SoledadIcon ; Picchio, Mariano SergioIcon ; Martín, ValentinaIcon ; Goldman, AlejandraIcon
Fecha de publicación: 07/2015
Editorial: Academic Press Inc Elsevier Science
Revista: Experimental Parasitology
ISSN: 0014-4894
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Inmunología

Resumen

The increased prevalence of allergies in developed countries has been attributed to a reduced exposure to some microbes. In agreement with epidemiological studies, we previously showed that Toxoplasma gondii infection prevents allergic airway inflammation. The mechanisms would be related to the strong Th1 response induced by the parasite and to regulatory cell induction. Herein we further characterized whether T. gondii allergy modulation extents to a systemic level or if it is limited to the lung. Parasite infection before allergic sensitization resulted in a diminished Th2 cytokine response and, when sensitized during acute infection, an increased in TGF-β production was detected. Allergen specific T cell proliferation was also reduced. Sensitization during both acute and chronic phases of infection resulted in a decreased anaphylaxis reaction. Our results extend earlier work and show that, in addition to lung airway inflammation, T. gondii infection can suppress allergic responses at systemic level. These results open the possibility that this protozoan infection could modulate other allergic disorders such as atopic dermatitis or oral allergies. Understanding the mechanisms by which different microorganisms regulate inflammation may potentially lead to the development of strategies aimed to control atopic diseases.
Palabras clave: ALLERGY , ANAPHYLAXIS , IMMUNE-MODULATION , INFECTION , TOXOPLASMA GONDII
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/98633
URL: https://www.sciencedirect.com/science/article/pii/S0014489415000909
DOI: http://dx.doi.org/10.1016/j.exppara.2015.04.001
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Citación
Fenoy, Ignacio Martín; Sánchez, Vanesa Roxana; Soto, Ariadna Soledad; Picchio, Mariano Sergio; Martín, Valentina; et al.; Toxoplasma gondii infection modulate systemic allergic immune response in BALB/c mice; Academic Press Inc Elsevier Science; Experimental Parasitology; 154; 7-2015; 47-50
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