Editor
Tomohiro Mizutani
  • Faculty, Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University
Research fields
  • Stem Cell
In vitro Differentiation of Human iPSC-derived Retinal Pigment Epithelium Cells (iPSC-RPE)
Authors:  Agnieszka D’Antonio-Chronowska, Matteo D’Antonio and Kelly A. Frazer, date: 12/20/2019, view: 6472, Q&A: 0
Induced Pluripotent Stem Cells (iPSCs) serve as an excellent model system for studying the molecular underpinnings of tissue development. Human iPSC-derived retinal pigment epithelium (iPSC-RPE) cells have fetal-like molecular profiles. Hence, biobanks like iPSCORE, which contain iPSCs generated from hundreds of individuals, are an invaluable resource for examining how common genetic variants exert their effects during RPE development resulting in individuals having different propensities to develop Age-related Macular Degeneration (AMD) as adults. Here, we present an optimized, cost-effective and highly reproducible protocol for derivation of human iPSC-RPE cells using small molecules under serum-free condition and for their quality control using flow cytometry and immunofluorescence. While most previous protocols have required laborious manual selection to enrich for iPSC-RPE cells, our protocol uses whole culture passaging and yields a large number of iPSC-RPE cells with high purity (88-98.1% ZO-1 and MiTF double positive cells). The simplicity and robustness of this protocol would enable its adaption for high-throughput applications involving the generation of iPSC-RPE samples from hundreds of individuals.
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