The present protocol outlines a method that utilizes lucifer yellow in an apical-out enteroid model to determine intestinal permeability. This method can be used to determine paracellular permeability in enteroids that model inflammatory bowel diseases such as necrotizing enterocolitis.
Liebe, H., Schlegel, C., Cai, X., Golubkova, A., Leiva, T., Berry, W. L., Hunter, C. J. Determining Intestinal Permeability Using Lucifer Yellow in an Apical-Out Enteroid Model. J. Vis. Exp. (185), e64215, doi:10.3791/64215 (2022).