FITC-Dextran Trans-Epithelial Permeability Assay

Abstract This protocol describes the use of the Fluorescein isothiocyanate (FITC)–dextran trans-epithelial permeability assay to quantify the effects of chemicals on epithelial cell monolayer permeability.The attached methods document is a formal version of the information included here.Disclaimer: The contents of this article have been reviewed by the US Environmental Protection Agency and approved for publication and do not necessarily represent Agency policy. Mention of trade names or commercial products does not constitute endorsement or recommendations for use.