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Molecular Mechanisms of Polybrominated Diphenyl Ethers (BDE-47, BDE-100, and BDE-153) in Human Breast Cancer Cells and Patient-Derived Xenografts.

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Polybrominated diphenyl ethers (PBDEs) have been used as flame retardants in household materials. Their environmental persistence has led to continuous human exposure and significant tissue levels. Three PBDE congeners (BDE-47, BDE-100, and BDE-153) have been frequently detected in human serum.

A breast cancer case-control study of polybrominated diphenyl ether (PBDE) serum levels among California women.

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Polybrominated diphenyl ethers (PBDEs) are among the most persistent and pervasive global environmental contaminants. Their toxic and endocrine-disrupting properties have made them a focus of concern for breast cancer. Our objective was to evaluate the risk of breast cancer associated

Antiestrogenic effects of Z-1, 1-dichloro-2,3 diphenyl-2-(4-methoxyphenyl)cyclopropane(5a) on human breast cancer cells in culture.

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Compound 5a ([Z]-1, 1-Dichloro-2,3 diphenyl-2-(4-methoxyphenyl)cyclopropane) is a novel cyclopropyl compound which was shown to be a pure antiestrogen. In the present study, the antiproliferative activity of 5a was examined on estrogen receptor (ER)-positive MCF-7 and ER-negative MDA-MB-231 human

Adipose levels of polybrominated diphenyl ethers and risk of breast cancer.

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We conducted a case-control study to evaluate the risk of breast cancer associated with adipose concentrations of polybrominated diphenyl ethers (PBDEs) among women undergoing surgical breast biopsies in the San Francisco Bay Area of California (n=78 cases; 56 controls). Adipose tissue was analyzed

Synthesis of novel taspine diphenyl derivatives as fluorescence probes and inhibitors of breast cancer cell proliferation.

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Two novel taspine diphenyl derivatives (Ta-dD) were designed and synthesized by introducing different coumarin fluorescent groups into the basic structure of Ta-dD. The main advantage of these two compounds is that they can be used as fluorescence probes and inhibitors simultaneously. In the present

Metabolomics and lipidomics study unveils the impact of polybrominated diphenyl ether-47 on breast cancer mice.

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Polybrominated diphenyl ether-47 (BDE-47) is a congener of polybrominated diphenyl ethers (PBDEs) and relates to different health risks. However, in vivo study of the association between BDE-47 and breast cancer was scarce. In this study, we performed in vivo exposure of BDE-47 to breast cancer nude

Synthesis, characterization, and evaluation of cis-diphenyl pyridineamine platinum(II) complexes as potential anti-breast cancer agents.

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Although cisplatin is considered as an effective anti-cancer agent, it has shown limitations and may produce toxicity in patients. Therefore, we synthesized two cis-dichlorideplatinum(II) compounds (13 and 14) composed of meta- and para-N,N-diphenyl pyridineamine ligands through a reaction of the

Spiro-oxindole derivative 5-chloro-4',5'-diphenyl-3'-(4-(2-(piperidin-1-yl) ethoxy) benzoyl) spiro[indoline-3,2'-pyrrolidin]-2-one triggers apoptosis in breast cancer cells via restoration of p53 function.

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Breast cancer remains a significant health problem due to the involvement of multiple aberrant and redundant signaling pathways in tumorigenesis and the development of resistance to the existing therapeutic agents. Therefore, the search for novel chemotherapeutic agents for effective management of

2,2'-diphenyl-3,3'-diindolylmethane: a potent compound induces apoptosis in breast cancer cells by inhibiting EGFR pathway.

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Despite recent advances in medicine, 30-40% of patients with breast cancer show recurrence underscoring the need for improved effective therapy. In this study, by in vitro screening we have selected a novel synthetic indole derivative 2,2'-diphenyl-3,3'-diindolylmethane (DPDIM) as a potential anti-

Discovery and Biological Evaluations of Halogenated 2,4-Diphenyl Indeno[1,2-b]pyridinol Derivatives as Potent Topoisomerase IIα-Targeted Chemotherapeutic Agents for Breast Cancer.

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With the aim of developing new effective topoisomerase IIα-targeted anticancer agents, we synthesized a series of hydroxy- and halogenated 2,4-diphenyl indeno[1,2-b]pyridinols using a microwave-assisted single step synthetic method and investigated structure-activity relationships. The

Adipose tissue levels of polybrominated diphenyl ethers and breast cancer risk in Chinese women: A case-control study.

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Polybrominated diphenyl ethers (PBDEs) are suspected to be associated with breast cancer risk because of their estrogenic potencies. Epidemiological studies of PBDEs and breast cancer are scarce. Our study aimed to estimate the association between adipose-tissue PBDE concentrations and breast cancer

DNA- and BSA-binding studies and anticancer activity against human breast cancer cells (MCF-7) of the zinc(II) complex coordinated by 5,6-diphenyl-3-(2-pyridyl)-1,2,4-triazine.

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Binding studies of a mononuclear zinc(II) complex, [Zn(dppt)2Cl2] (dppt is 5,6-diphenyl-3-(2-pyridyl)-1,2,4-triazine), with DNA and bovine serum albumin (BSA) have been investigated under physiological conditions. The binding properties of the complex with fish sperm DNA (FS-DNA) have been

Phenolic metabolites of clomiphene: [(E,Z)-2-[4-(1,2-diphenyl-2-chlorovinyl)phenoxy]ethyl]diethylamine. Preparation, electrophilicity, and effects in MCF 7 breast cancer cells.

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The triarylethylene antiestrogen clomiphene was previously shown to undergo biotransformation to an active metabolite, 4-hydroxyclomiphene, and to 3-methoxy-4-hydroxyclomiphene plus the respective regioisomers of these, 4 and 5. We now report the synthesis and further chemical and biochemical

[The anti-estrogenic effect of 4-chloro-1,2-diphenyl-1-(4-[2-(N,N-dimethylamino)ethoxy]phenyl)1-butene (Toremifene) on the endocrine regulation in breast cancer patients].

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In a combined phase I-II study the hormonal effects of Toremifene were investigated in 15-15 patients at two dose levels: 60 mg and 300 mg per os, daily. Serum estradiol, progesterone, testosterone, follicle-stimulating hormone, luteinizing hormone, prolactin, human growth hormone were monitored by

Effect of a new anticancer agent, 1,4-dimethyl-1,4-diphenyl-2-tetrazene. on a transplantable mammarv adenocarcinoma (72j) and spontaneous mouse breast tumours.

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