Aug 9, 2023

Renowned tumor suppressor has prominent role in tissue repair, study finds

Posted by in categories: biotech/medical, genetics

A protein famed among scientists and clinicians for its ability to suppress the development of many types of tumors may just be moonlighting as a cancer fighter, a recent study by researchers at Stanford Medicine found. The study, conducted in laboratory mice, suggests that the protein, p53, instead evolved to promote the repair of tissues and cells after injury.

The surprising finding is like learning that your favorite bit actor is actually an Oscar-winning director who dabbles in performance on the weekends.

“This turns what we thought we knew about p53 on its head,” said Laura Attardi, Ph.D., professor of radiation oncology and of genetics. “We need to consider that p53’s role as a tumor suppressor may be secondary to a more basic role in repairing damage to tissues.”

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