We, the Publisher and Editor of Artificial Cells, Nanomedicine, and Biotechnology, are issuing an Expression of Concern for the following article:
Article title: Ras-PI3K pathway promotes osteosarcoma progression via regulating VRK1-mediated H2A phosphorylation at threonine 120
Authors: Xianlun Xu and Hao Yu
Journal: Artificial Cells, Nanomedicine, and Biotechnology
Bibliometrics: Volume 47, Number 01, pages 4274–4283
DOI: https://doi.org/10.1080/21691401.2019.1687506
After publication of this article, questions about the scientific integrity of the article content were brought to the Publisher and Editor’s attention. We have reached out to the authors requesting that they supply information that would confirm the article’s integrity, but the authors have not responded to our queries within the requested timeframe. Therefore, as we continue to work through the issues raised, we advise readers to interpret the information presented in the article with due caution.