IMMUNOLOGY2026™ Conference Recordings For Attendees-IL-33-mediated Mast Cell Function is Female Dominant

IL-33-mediated Mast Cell Function is Female Dominant

Video Transcription

Video Summary

The study investigated why females are more prone to asthma and allergic disease, focusing on mast cells and IL-33 signaling. Using bone marrow-derived mast cells and mouse models, the researcher found that female mast cells produce more cytokines, including IL-6 and IL-13, in response to IL-33 than male cells. Hormone-manipulated mice showed female hormones amplify inflammation, while male hormones reduce it. Mechanistically, IL-33 activated JNK more strongly in females. A JNK inhibitor reduced cytokine release and eosinophil recruitment only in females, suggesting sex-specific IL-33 signaling drives stronger allergic inflammation in females.

Meta Tag

Date April 18, 2026 11:00 AM - 11:15 AM

Room 151

Session Immediate Hypersensitivity

Speaker Tania Maldonado

Track Immediate Hypersensitivity, Asthma, and Allergic Responses (HYP)

Year 2026

Keywords

asthma

allergic disease

mast cells

IL-33 signaling

sex-specific inflammation

April 18, 2026 11:00 AM - 11:15 AM

151

Immediate Hypersensitivity

Tania Maldonado

Immediate Hypersensitivity, Asthma, and Allergic Responses (HYP)

2026