p53

noun \ˌpē-ˌfif-tē-ˈthrē\

Definition of P53

: a tumor suppressor gene that in an inactivated form tends to be associated with a high risk of certain cancers

from p53, the protein made by the gene, from protein + 53, the gene's molecular weight

First Known Use: 1990

Medical Dictionary

noun \ˌpē-ˌfif-tē-ˈthrē\

: a tumor suppressor gene that in a defective form tends to be associated with a high risk of certain cancers (as of the colon, lung, and breast)

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