Loss of heterozygosity on chromosome 16q, expression of her2/neu and p53 mutations in endometrial cancer. 1995
We analyzed endometrial adenocarcinomas for mutations of the p53 anti-oncogene, expression of the HER2/neu oncogene and for loss of heterozygosity on chromosome 16q. p53 mutations were found in 3 of 25 tumors. Elevated expression of HER2/neu found in 7 of 24 tumors involves a mechanism other than gene amplification. LOH on chromosome 16q22-24 was observed in 4 of 13 informative tumors. Four of 25 endometrial tumors exhibited two or more alterations. Tumors with the highest HER2/neu protein level exhibited a negative progesterone receptor status. Accumulation of these changes may determine the biological behaviour of a subset of endometrial tumors.
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