This article refers to:
Liang C, Sun W, He H, et al. Int J Nanomedicine. 2018;13:209–220.
The authors have advised due to an error at the time of figure assembly, on page 217 is incorrect. The correct is shown below.
Figure 6 (A) Analysis of miR-135a expression by RT-PCR in different groups (*P<0.05). (B) Western blot analysis of the expression of SMAD5 and STAT6 levels in the C6 glioma model of different groups.
Abbreviations: RT-PCR, real-time polymerase chain reaction; mPEG -g-PEI, polyethylene glycol methyl ether grafted polyethylenimine; NC, negative control.
The authors apologize for this error and advise it does not affect the results of the paper.