Premature termination codon read-through drugs offer opportunities for treatment of multiple rare genetic diseases including cystic fibrosis. We here analyzed the read-through efficacy of PTC124 and G418 using human cystic fibrosis intestinal organoids.
G418-mediated read-through induced only limited CFTR function, but functional restoration of CFTR by PTC124 could not be confirmed. These studies suggest that better read-through agents are needed for robust treatment of nonsense mutations in cystic fibrosis.

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doi.org/10.1016/j.jcf.2015.07.007, hdl.handle.net/1765/82097
Journal of Cystic Fibrosis
Erasmus MC: University Medical Center Rotterdam