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. 2017 Mar 6;13(5):2029–2035. doi: 10.3892/etm.2017.4183

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Copyright: © Yu et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 4. — ELISA assay of cell secretion. (A) BDNF and (B) GDNF expression in supernatant of the three groups. The overall trend is that the co-culture group has a higher expression than the Schwann cell group, which has a higher expression than the neural stem cell group. *P<0.05, **P<0.01. BDNF, brain-derived neurotrophic factor; GDNF, glial cell-derived neurotrophic factor; NSC, neural stem cells; SC, Schwann cells.