Three separate labs report that p16INK4a, a protein known to be expressed in an age-dependent manner regulates ageing specifically in stem cells. Studying its role in regeneration of three different tissues, the blood, pancreas, and brain, the three groups separately found that p16INK4a is not only a biomarker, but an effector of ageing.
- Viktor Janzen
- Randolf Forkert
- David T. Scadden