Title : ErbB (HER) receptors can abrogate antiestrogen action in human breast cancer by multiple signaling mechanisms.

Pub. Date : 2003 Jan

PMID : 12538508






2 Functional Relationships(s)
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1 Here we show that transfection of ER-positive, HER2 gene-amplified BT-74 cells with an expression vector encoding dominant-negative (K179M) Akt1 partially restored the ability of tamoxifen to inhibit estradiol-stimulated ER reporter activity. Tamoxifen AKT serine/threonine kinase 1 Homo sapiens
2 Infection of MCF-7 cells with an adenovirus encoding myristoylated, constitutively active Akt induced ER reporter activity in the absence of estradiol and resulted in tamoxifen resistance of these cells in culture. Tamoxifen AKT serine/threonine kinase 1 Homo sapiens