Retraction.

Retraction: "K-Ras-PI3K regulates H3K56ac through PCAF to elevate the occurrence and growth of liver cancer," by Xianrui Gao, Zhaoling Cheng, Haifeng Yuan, Haiwang Zhao, J Cell Physiol. 2020; 3905-3915: The above article, published online on 22 October 2019 in Wiley Online Library (https://onlinelibrary.wiley.com/doi/full/10.1002/jcp.29284), has been retracted by agreement between the journal's Editor in Chief, Prof. Dr. Gregg Fields, and Wiley Periodicals LLC. The retraction has been agreed following an investigation based on allegations raised by a third party. Several flaws and inconsistencies between results presented and experimental methods described were found, the editors consider the conclusions of this article to be invalid. The authors collaborated in the investigation initially, but were not available for a final confirmation of the retraction.