Frequent inactivation of thep16 gene in human pituitary tumors by gene methylation

Abstract excerpt

Rodent models of pituitary tumorigenesis have implicated the retinoblastoma (Rb) pathway in the development of pituitary tumors. Previously, we reported that loss of p16 expression rather than loss of Rb occurs in most human pituitary adenomas. This alteration in these tumors is not associated with p16 mutation or frequent homozygous p16 gene loss. Our laboratory has now demonstrated that in most human pituitary...

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