Quercetin improves and protects Calu-3 airway epithelial barrier function

Data availability statement The raw data supporting the conclusion of this article will be made available by the authors, without undue reservation. Ethics statement Ethical approval was not required for the studies on humans in accordance with the local legislation and institutional requirements because only commercially available established cell lines were used. Author contributions KD: writing-original draft, writing-review and editing, and investigation. ER: investigation and writing-review and editing. MV: investigation and writing-review and editing. HN: investigation and writing-review and editing. ED: investigation and writing-review and editing. EN: investigation and writing-review and editing. RS: investigation and writing-review and editing. JM: writing-review and editing, conceptualization, supervision, and writing-original draft. Conflict of interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. Publisher's note All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors, and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher. Supplementary material The Supplementary Material for this article can be..