p73 tumor-suppressor activity is impaired in human thyroid cancer.

Abstract excerpt

The p73 protein is a member of the p53 family and, like p53, can induce cell-cycle arrest and apoptosis in response to DNA damage. Because the loss of p53 function is responsible for the progression of well-differentiated thyroid cancer to more aggressive phenotypes, we hypothesized that p73 might also be involved in thyroid carcinogenesis. We find that normal thyrocites do not express p73, whereas most thyroid...

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