IL-4 and IL-13 exposure during mucociliary differentiation of bronchial epithelial cells increases antimicrobial activity and expression of antimicrobial peptides

被引:0
作者
Suzanne Zuyderduyn
Dennis K Ninaber
Jasmijn A Schrumpf
Marianne AJA van Sterkenburg
Renate M Verhoosel
Frans A Prins
Sandra van Wetering
Klaus F Rabe
Pieter S Hiemstra
机构
[1] Leiden University Medical Center,Department of Pulmonology
[2] Leiden University Medical Center,Pathology
[3] DCPrime BV,undefined
来源
Respiratory Research | / 12卷
关键词
human; lung; cell differentiation; allergy; inflammation;
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摘要
The airway epithelium forms a barrier against infection but also produces antimicrobial peptides (AMPs) and other inflammatory mediators to activate the immune system. It has been shown that in allergic disorders, Th2 cytokines may hamper the antimicrobial activity of the epithelium. However, the presence of Th2 cytokines also affects the composition of the epithelial layer which may alter its function. Therefore, we investigated whether exposure of human primary bronchial epithelial cells (PBEC) to Th2 cytokines during mucociliary differentiation affects expression of the human cathelicidin antimicrobial protein (hCAP18)/LL-37 and human beta defensins (hBD), and antimicrobial activity.
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