Identification of estrogen-responsive DNA sequences by transient expression experiments in a human breast cancer cell line
- 1 January 1986
- journal article
- Published by Oxford University Press (OUP) in Nucleic Acids Research
- Vol. 14 (22) , 8755-8770
- https://doi.org/10.1093/nar/14.22.8755
Abstract
The expression of a hybrid gene formed by the promoter region of the Xenopus laevis vitellogenin gene B1 and the CAT coding region is regulated by estrogen when the gene is transfected into hormone-responsive MCF-7 cells. Furthermore, the 5' flanking region of the gene B1 alone can confer inducibility to heterologous promoters, although to a varying extent depending on the promoter used. Deletion mapping of he vitellogenin hormone-responsive sequences revealed that a 13 bp element 5'-AGTCACTGTGACC-3' at position -334 is essential for estrogen inducibility. We have shown previously that this 13 bp element is present upstream of several liver-specific estrogen-inducible genes.Keywords
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