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Immunofluorescence analysis of the full-length CFTR protein in wild-type (CFTR-WT) and CFTRW1282X FRT cells, untreated (Untr) or treated with 12 μM PTC124, NV848, NV930, or NV914 for 24 h. CFTR protein was revealed by a specific antibody (ab570-green). Nuclei (blue) were DAPI-stained and the cellular membrane was stained by WGA-Alexa 594 (red).
