Routes of Allergic Sensitization and Myeloid Cell IKK beta Differentially Regulate Antibody Responses and Allergic Airway Inflammation in Male and Female Mice

Astrid Bonnegarde-Bernard Junbae Jee Michael J. Fial Haley Steiner Stephanie Dibartola Ian C. Davis Estelle Cormet-Boyaka Daniel Tomé 1 Prosper N. Boyaka
1 PNCA - Physiologie de la Nutrition et du Comportement Alimentaire
Abstract : Gender influences the incidence and/or the severity of several diseases and evidence suggests a higher rate of allergy and asthma among women. Most experimental models of allergy use mice sensitized via the parenteral route despite the fact that the mucosal tissues of the gastrointestinal and respiratory tracts are major sites of allergic sensitization and/or allergic responses. We analyzed allergen-specific Ab responses in mice sensitized either by gavage or intraperitoneal injection of ovalbumin together with cholera toxin as adjuvant, as well as allergic inflammation and lung functions following subsequent nasal challenge with the allergen. Female mice sensitized intraperitoneally exhibited higher levels of serum IgE than their male counterparts. After nasal allergen challenge, these female mice expressed higher Th2 responses and associated inflammation in the lung than males. On the other hand, male and female mice sensitized orally developed the same levels of allergen-specific Ab responses and similar levels of lung inflammation after allergen challenge. Interestingly, the difference in allergen-specific Ab responses between male and female mice sensitized by the intraperitoneal route was abolished in IKK beta(Delta Mye) mice, which lack IKK beta in myeloid cells. In summary, the oral or systemic route of allergic sensitization and IKK beta signaling in myeloid cells regulate how the gender influences allergen-specific responses and lung allergic inflammation.
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https://hal-agroparistech.archives-ouvertes.fr/hal-01568631
Contributor : Armelle Sielinou <>
Submitted on : Tuesday, July 25, 2017 - 2:43:00 PM
Last modification on : Thursday, February 20, 2020 - 7:22:35 PM

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Astrid Bonnegarde-Bernard, Junbae Jee, Michael J. Fial, Haley Steiner, Stephanie Dibartola, et al.. Routes of Allergic Sensitization and Myeloid Cell IKK beta Differentially Regulate Antibody Responses and Allergic Airway Inflammation in Male and Female Mice. PLoS ONE, Public Library of Science, 2014, 9 (3), pp.e92307. ⟨10.1371/journal.pone.0092307⟩. ⟨hal-01568631⟩

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