Stress granules restrain ferroptosis by sequestering ferritin

Nature Cell Biology, Published online: 22 May 2026; doi:10.1038/s41556-026-01953-5 Ge, Wang, Zhao, Guo et al. report a role for stress granules in suppressing ferroptosis by sequestering ferritin upon irradiation and temozolomide treatment in glioblastoma stem cells, which may potentially be targeted for improved efficacy.