The developmentally regulated transcription factor AP-2 is involved in c-erbB-2 overexpression in human mammary carcinoma.

Abstract excerpt

Overexpression of the c-erbB-2/HER2 protooncogene in breast carcinoma is controlled not only by the degree of amplification of the gene but also at the level of gene transcription. Thus, whether or not the gene is amplified, the activity of the c-erbB-2 promoter is enhanced in overexpressing cells through the binding of an additional transcription factor, OB2-1, whose activity is increased in these lines. Here we...

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