Title : The tamoxifen-responsive estrogen receptor alpha mutant D351Y shows reduced tamoxifen-dependent interaction with corepressor complexes.

Pub. Date : 2001 Nov 16

PMID : 11553641






3 Functional Relationships(s)
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1 Several lines of evidence have indicated that tamoxifen promotes association between ERalpha and corepressors N-CoR or silencing mediator for retinoid and thyroid hormone receptor (SMRT). Tamoxifen nuclear receptor corepressor 1 Homo sapiens
2 Our results indicate that N-CoR/SMRT recognize and interact with helices H3 and H5 of the ERalpha ligand-binding domain in a 4-hydroxy tamoxifen-dependent manner. Tamoxifen nuclear receptor corepressor 1 Homo sapiens
3 The mutant ERalpha(D351Y), derived from a tamoxifen-stimulated tumor and containing an amino acid substitution at position 351 within H3, showed reduced interaction with N-CoR/SMRT and high tamoxifen-induced activation function-1 (AF-1) activity. Tamoxifen nuclear receptor corepressor 1 Homo sapiens