Molecular screening of pituitary adenomas for gene mutations and rearrangements.

Abstract excerpt

Although pituitary tumors arise as benign monoclonal neoplasms, genetic alterations have not readily been identified in these adenomas. We studied restriction fragment abnormalities involving the GH gene locus, and mutations in the p53 and H-, K- and N-ras genes in 22 human GH cell adenomas. Twenty two nonsecretory adenomas were also examined for p53 and ras gene mutations. Seven prolactinoma DNA samples were...

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