APOPTOSIS and P53

Each and every cell has a predestined time to live, after which they withdraw themselves from the normal cellular activities and die. Generally Cells die through one of the two different processes : either they are killed by injurious agents such as mechanical damage or exposure to toxic chemicals; or they are killed by suicide. The pattern of death by suicidal changes in the cell is so orderly a process that it is sometimes termed as Programmed Cell Death or apoptosis.

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