Protein Kinase A-Dependent Synergism between GATA Factors and the Nuclear Receptor, Liver Receptor Homolog-1, Regulates Human Aromatase (CYP19) PII Promoter Activity in Breast Cancer Cells

Abstract excerpt

Cancers, including that of the breast, are the result of multiple contributing factors including aberrant gene expression. Indeed, the CYP19 gene encoding P450 aromatase, the key enzyme for estrogen biosynthesis, is up-regulated in breast tumors predominantly via the cAMP-responsive gonad-type PII promoter, ultimately leading to increased intratumoral estrogen production and tumor growth. Thus, identifying the...

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