Retraction: Hellinen et al. Retinal Pigment Epithelial Cell Line with Fast Differentiation and Improved Barrier Properties. Pharmaceutics 2019, 11 , 412.

Retinal Pigment Epithelial Cell Line with Fast Differentiation and Improved Barrier Properties. Reference 1 Hellinen L., Pirskanen L., Tengvall-Unadike U., Urtti A., Reinisalo M. Retinal Pigment Epithelial Cell Line with Fast Differentiation and Improved Barrier Properties. During a review of the data, the authors found that the studied LEPI-1 cell line is not derived from the ARPE-19 RPE cell line of the human origin as described in the article but rather originates from the Madin-Darby canine ( I Canis familiaris i ) kidney cell line with the human MDR1 gene (MDCK-MDR1). [Extracted from the article]