Synthesis of Triphenylethylene Bisphenols as Aromatase Inhibitors That Also Modulate Estrogen Receptors

A series of triphenylethylene bisphenol analogues of the selective estrogen receptor modulator (SERM) tamoxifen were synthesized and evaluated for their abilities to inhibit aromatase, bind to estrogen receptor α (ER-α) and estrogen receptor β (ER-β), and antagonize the activity of β-estradiol in MC...

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Veröffentlicht in:Journal of medicinal chemistry 2016-01, Vol.59 (1), p.157-170
Hauptverfasser: Lv, Wei, Liu, Jinzhong, Skaar, Todd C, O’Neill, Elizaveta, Yu, Ge, Flockhart, David A, Cushman, Mark
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container_end_page 170
container_issue 1
container_start_page 157
container_title Journal of medicinal chemistry
container_volume 59
creator Lv, Wei
Liu, Jinzhong
Skaar, Todd C
O’Neill, Elizaveta
Yu, Ge
Flockhart, David A
Cushman, Mark
description A series of triphenylethylene bisphenol analogues of the selective estrogen receptor modulator (SERM) tamoxifen were synthesized and evaluated for their abilities to inhibit aromatase, bind to estrogen receptor α (ER-α) and estrogen receptor β (ER-β), and antagonize the activity of β-estradiol in MCF-7 human breast cancer cells. The long-range goal has been to create dual aromatase inhibitor (AI)/selective estrogen receptor modulators (SERMs). The hypothesis is that in normal tissue the estrogenic SERM activity of a dual AI/SERM could attenuate the undesired effects stemming from global estrogen depletion caused by the AI activity of a dual AI/SERM, while in breast cancer tissue the antiestrogenic SERM activity of a dual AI/SERM could act synergistically with AI activity to enhance the antiproliferative effect. The potent aromatase inhibitory activities and high ER-α and ER-β binding affinities of several of the resulting analogues, together with the facts that they antagonize β-estradiol in a functional assay in MCF-7 human breast cancer cells and they have no E/Z isomers, support their further development in order to obtain dual AI/SERM agents for breast cancer treatment.
doi_str_mv 10.1021/acs.jmedchem.5b01677
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Med. Chem</addtitle><description>A series of triphenylethylene bisphenol analogues of the selective estrogen receptor modulator (SERM) tamoxifen were synthesized and evaluated for their abilities to inhibit aromatase, bind to estrogen receptor α (ER-α) and estrogen receptor β (ER-β), and antagonize the activity of β-estradiol in MCF-7 human breast cancer cells. The long-range goal has been to create dual aromatase inhibitor (AI)/selective estrogen receptor modulators (SERMs). The hypothesis is that in normal tissue the estrogenic SERM activity of a dual AI/SERM could attenuate the undesired effects stemming from global estrogen depletion caused by the AI activity of a dual AI/SERM, while in breast cancer tissue the antiestrogenic SERM activity of a dual AI/SERM could act synergistically with AI activity to enhance the antiproliferative effect. 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subjects Antineoplastic Agents - chemical synthesis
Antineoplastic Agents - pharmacology
Aromatase Inhibitors - chemical synthesis
Aromatase Inhibitors - pharmacology
Catalytic Domain - drug effects
Cell Line, Tumor
DNA, Complementary - biosynthesis
DNA, Complementary - drug effects
Estrogen Receptor alpha - drug effects
Estrogen Receptor beta - drug effects
Female
Humans
Microsomes - drug effects
Microsomes - enzymology
Models, Molecular
Molecular Docking Simulation
Phenols - chemical synthesis
Phenols - pharmacology
Recombinant Proteins - chemical synthesis
Recombinant Proteins - pharmacology
RNA, Neoplasm - biosynthesis
RNA, Neoplasm - drug effects
Selective Estrogen Receptor Modulators - chemical synthesis
Selective Estrogen Receptor Modulators - pharmacology
Stereoisomerism
Stilbenes - chemical synthesis
Stilbenes - pharmacology
title Synthesis of Triphenylethylene Bisphenols as Aromatase Inhibitors That Also Modulate Estrogen Receptors
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