# A Death Protein That Doesnt Kill: The Surprise Mechanism Behind Stem Cell Aging

- slug: a-death-protein-that-doesnt-kill-the-surprise-mechanism-behind-stem-cell-aging
- date: 2026-04-17
- category: Biotech & Life Sciences

A protein famous for executing cells has a secret second job: it quietly ages them instead. Researchers at the University of Tokyo and St. Jude just caught it in the act.

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