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. 2015 Mar 27;10(3):e0108874. doi: 10.1371/journal.pone.0108874

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© 2015 Han 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 6 — After hepatogenic induction, urea production was significantly increased in cultures of differentiated RFP- and Oct4/Sox2-ATMSCs. Thus, the amount of urea produced by hepatocyte-like cells derived from Oct4/Sox2-ATMSCs was significantly higher than that of RFP-ATMSCs. Undifferentiated ATMSC and HepG2 Cells were used as negative and positive control, respectively. The experiments were repeated at least three times and similar findings were observed. Data represent the mean ± SD of three independent experiments. Statistical analysis was performed by ANOVA followed by Tukey’s post hoc test of the means (significant, **p < 0.01).