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. 2016 Jun 10;17:34. doi: 10.1186/s12868-016-0271-x

Fig. 2.

Fig. 2

Percentage of PC12 cells with axons after 3-day culture in media conditioned by transgenic cells or in control media. (recGDNF) medium fortified with 1.25 ng/ml pre-pro-GDNF (SantaCruz); (HEK293/mGDNF) medium conditioned by HEK293/mGDNF/GFP with mGDNF/GFP adjusted to 1.25 ng/ml; (HEK293) medium conditioned by untransformed HEK293 cells; (control medium) unconditioned medium—serum-free DMEM. *p < 0.05 as compared with HEK293 and control medium