Retraction to: Cancer Gene Therapy https://doi.org/10.1038/cgt.2017.32, published online 13 October 2017

The authors have retracted this article as the authors were unable to repeat the results in further experiments. Image irregularities were also noted in figures 2C and 3C. The authors have therefore lost confidence in the results and conclusions presented in this article. All authors agree to this retraction.