Improved In Vitro Model for Intranasal Mucosal Drug Delivery: Primary Olfactory and Respiratory Epithelial Cells Compared with the Permanent Nasal Cell Line RPMI 2650
Background: The epithelial layer of the nasal mucosa is the first barrier for drug permeation during intranasal VIT K drug delivery.With increasing interest for intranasal pathways, adequate in vitro models are required.Here, porcine olfactory (OEPC) and respiratory (REPC) primary cells were characterised against the nasal tumour cell line RPMI 265