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. 2015 Aug 25;10(8):e0136448. doi: 10.1371/journal.pone.0136448

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© 2015 Yang 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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Fig 1 — (A and B) Expression of PTOV1 protein and mRNA in NPC cell lines (5-8F, CNE1, CNE2, Hone1, HK1, 6-10B and SUNE1) and NPEC were examined by western blotting (A) and real-time PCR (B). Expression levels were normalized to GAPDH. Error bars represent the standard deviation of the mean (SD), calculated from three parallel experiments. * P < 0.05.