Protein that helps suppress oral cancer diminishes with age

NEW YORK, N.Y., USA: Researchers at UCLA have found that a protein that serves as a suppressor of cancer diminishes in skin and mouth epithelial cells as the human body ages. Dr. No-Hee Park, dean of the UCLA School of Dentistry, and his research team have been studying p53, a tumor suppressor protein known as “the guardian of the genome” because of its involvement in DNA repair, cell cycle regulation and cellular deterioration.

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