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. 2011 Aug 3;6(8):e23226. doi: 10.1371/journal.pone.0023226

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Borthwick et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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A) Explanted non-CF lung tissue was stained for CFTR (MATG1061 - TRITC/Red) and the epithelial marker E-cadherin (FITC/Green) with a nuclear counter stain (DAPI/Blue). CFTR is expressed only at the apical membrane of airway epithelial cells. Images acquired on a Leica confocal microscope (×40 magnification). B) Image acquired in A) showing CFTR (TRITC/Red) staining only.