FGF5 and nasopharyngeal carcinoma: [7] demonstrated that cisplatin (DDP) induces ferroptosis in NPC cells [7], but CAF-secreted fibroblast growth factor 5 (FGF5) inhibits this process by activating the FGFR2/Keap1/Nrf2/HO-1 pathway, thereby promoting chemoresistance.