Retraction to: Cancer Cell Int (2018) 18:165 https://doi.org/10.1186/s12935-018-0665-1

The authors have retracted this article [1] because Figure 4a has been duplicated from Figure 5d in a previously published article [2]. In addition, the article contains sections that substantially overlap with the following articles (amongst others) [3,4,5]. The data reported in this article are therefore unreliable. Author Hong Ke stated on behalf of all co-authors that they agree to this retraction.