P53 (TP53)

P53, produced by the TP53 gene, is a crucial protein that acts as a tumor suppressor, meaning it helps prevent cancer by monitoring and maintaining cell health. It detects DNA damage or abnormal cell growth, and signals cells to repair themselves or undergo programmed cell death if the damage is severe. When TP53 is faulty or mutated, its protective role weakens, increasing the risk of uncontrolled cell growth and cancer development. In essence, P53 functions as a cellular guardian, maintaining genetic stability and preventing tumor formation.