Loading metrics Open Access Peer-reviewed Research Article Citation: Liu M, Liao X, Wang F, Jiao P, Wang Z (2026) PTPRE promotes gastric cancer cell resistance to 5-fluorouracil by inhibiting ferroptosis via the Src/FAK/TRIB3 axis. PLoS One 21(6): e0351846. https://doi.org/10.1371/journal.pone.0351846 Editor: Marwan Salih Al-Nimer, University of Diyala College of Medicine, IRAQ Received: November 9, 2025; Accepted: May 29, 2026; Published: June 18, 2026 Copyright: © 2026 Liu et al.