PTEN tyrosine phosphatase

Definition / meaning of PTEN tyrosine phosphatase

A protein that helps control many cell functions, including cell division and cell death. Mutations (changes) in the gene that makes PTEN tyrosine phosphatase are found in many types of cancer and other diseases. It is a type of tumor suppressor protein. Also called PTEN.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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