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. 2013 Aug 2;14:80. doi: 10.1186/1471-2202-14-80

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Copyright © 2013 Lang et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Changes of ERK and p-ERK in OEC treated rats. Compare with the sham group and the injury group, OECs graft can lead to a significant increase on the p-ERK expression both on the 14th day and the 21st day while there were no differences on the ERK expression among three groups (A). The quantitative analyses for ERK and p-ERK on the 14th day and the 21st day were showed in B-C. The images indicated that the p-ERK expression increase significantly (*P < 0.05) on the 14th day (B) and the 21st day (C).