Study population
Primary human NECs were collected from 70 adults aged 18-55 years old; 23 healthy adults (14 female), 14 non-atopic asthmatics (3 female), 22 atopic non-asthmatics (20 female) and 11 atopic asthmatics (7 female). Atopy, asthma and medication use were confirmed by self-report. The project was approved by the human research ethics committees of Children’s Health Queensland (2011000058) and The University of Queensland (2017000520). All volunteers gave written consent.