Transcriptomics

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High-throughput screening for modulators of CFTR activity applying an organotypic functional assay based on genetically engineered Cystic Fibrosis disease-specific iPSCs


ABSTRACT: Organotypic culture systems from disease-specific induced pluripotent stem cells (iPSCs) exhibit obvious advantages compared to immortalized cell lines and primary cell cultures but implementation of iPSC-based high throughput (HT) assays is still technically challenging. Here we demonstrate the development and conduction of an organotypic HT Cl-/I- exchange assay using Cystic Fibrosis (CF) disease-specific iPSCs. The introduction of a halide sensitive YFP variant enabled automated quantitative measurement of Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) function in iPSC-derived intestinal epithelia. CFTR function was partially rescued by treatment with VX-770 and VX-809, and seamless gene correction of the p.Phe508del mutation resulted in full restoration of CFTR function. The identification of a series of validated primary hits that improve the function of p.Phe508del CFTR from a library of ~ 42.500 chemical compounds demonstrates that the advantages of complex iPSC-derived culture systems for disease modelling can also be utilized for drug screening at a true HT format.

ORGANISM(S): Homo sapiens

PROVIDER: GSE129168 | GEO | 2019/05/11

REPOSITORIES: GEO

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