Retraction Note to: Cancer Gene Therapy https://doi.org/10.1038/s41417-021-00332-6, published online 14 April 2021

The Editor-in-Chief has retracted this article because it contains material that substantially overlaps with the following article [1]. Qixin Leng, Xinyan Geng, Jiaxi He, Haowu Jiang and Rui Sun have informed the journal that they were not involved in this article or aware of its submission.

Qixin Leng, Xinyan Geng, Jiaxi He, Haowu Jiang and Rui Sun agree to this retraction. Songhui Xu does not agree to this retraction, or the wording of the retraction. Donge Tang and Yong Dai have not responded to any correspondence from the editor/publisher about this retraction.