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. 2014 Apr 11;9(4):e94487. doi: 10.1371/journal.pone.0094487

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© 2014 Okada 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) Relative mRNA expression of EpCAM and claudin-7 in four thyroid cancer cell lines were quantitated by RT-PCR. Expression levels were normalized by β-actin. (B) Protein expression of EpCAM and claudin-7 were analyzed by western blotting. β-actin was demonstrated as an internal control.