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. 2015 Aug 18;10(8):e0135528. doi: 10.1371/journal.pone.0135528

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© 2015 Zhi 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 2 — Relative mRNA expression levels of stem cell markers Oct-4 and Sox-2 (A), EMT associated transcription factors Twist and Snail (B), and EMT markers E-cadherin, fibronectin, and vimentin (C) were determined by Real-time quantitative PCR and normalized to GAPDH expression. *, p<0.05; **, p<0.01.