PIK3R3, part of the regulatory domain of PI3K, is upregulated in sarcoma stem-like cells and promotes invasion, migration, and chemotherapy resistance
Cell Death & Disease (2021) - Comments
pubmed: 34321458  doi: 10.1038/s41419-021-04036-5  issn: 2041-4889 

Changhwan Yoon, Jun Lu, Sandra W. Ryeom, M. Celeste Simon, Sam S. Yoon