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Formation and turnover of long-chain fatty acid esters of 5-androstene-3 beta, 17 beta -diol in estrogen receptor positive and negative human mammary cancer cell lines in culture.

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Microsomal preparations derived from bovine placenta cotyledons, previously investigated as a convenient source of fatty acyl coenzyme A: estradiol-17 beta-acyl transferase, have been shown to acylate other steroids bearing 3 beta- or 17 beta-hydroxyl groups. In the presence of 0.1 mM oleoyl CoA,

A gene transcription signature of obesity in breast cancer.

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Obesity is thought to contribute to worse disease outcome in breast cancer as a result of increased levels of adipocyte-secreted endocrine factors, insulin, and insulin-like growth factors (IGFs) that accelerate tumor cell proliferation and impair treatment response. We examined the effects of

Carcinogenic activities of various steroidal and nonsteroidal estrogens in the hamster kidney: relation to hormonal activity and cell proliferation.

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The therapeutic use of estrogens has been associated with an increased risk of some of the most predominant, as well as less prevalent, cancers in women. The estrogen-induced renal tumor is one of the primary animal models to evaluate the carcinogenic properties of estrogens. Correlations were made

Ultrasonographic observation of the breast in early postmenopausal women during therapy with Cimicifuga foetida extract and sequential therapy with estrogen and progestin.

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BACKGROUND It is now recognized that Cimicifuga foetida (C. foetida) extract is effective in alleviating menopausal symptoms. But the durations reported were usually short. The aim of this study was to investigate the effects of C. foetida extract therapy and different estrogen and progesterone

Lack of selective killing by steroids in normal and malignant cells.

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Using a colony formation assay, the cytotoxic effects of steroids and an anti-steroid on an established human breast tumor line and two human diploid fibroblast strains were studied. Experiments involving 17 a-estradiol, 17 beta-estradiol, dexamethasone, cortisone, dihydrotestosterone, and the

Endogenous peroxidase: specific marker enzyme for tissues displaying growth dependency on estrogen.

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Data derived from a correlated morphological and biochemical study suggest the following: (a) estradiol-17beta, diethylstilbestrol, the estrogen antagonists nafoxidine (Upjohn 11,000), and Parke Davis C1628 induce synthesis of an endogenous peroxidase in the epithelium of target tissues like the

Androgen antagonistic effect of estramustine phosphate (EMP) metabolites on wild-type and mutated androgen receptor.

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Estramustine phosphate is used frequently, alone or in combination with other antitumor agents, for the treatment of hormone-refractory prostate cancer. Estramustine phosphate is metabolically activated in vivo, and its metabolites, estramustine, estromustine, estrone, and beta-estradiol inhibit the

A randomized controlled study examining the effect of exercise on inflammatory cytokine levels in post-menopausal women.

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BACKGROUND Elevated plasma levels of inflammatory cytokine are associated with body mass index, percent body fat and increased morbidity. Evidence suggests that higher levels of physical activity result in beneficial anti-inflammatory effects compared to a more sedentary lifestyle. Further,

Local release of steroid hormones, prostaglandin E2, and endothelin-1 from bovine mature follicles In vitro: effects of luteinizing hormone, endothelin-1, and cytokines.

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Local regulation of ovulation involves the interaction of LH and intrafollicular factors including steroids, prostaglandins, and peptides derived from endothelial cells, leukocytes, fibroblasts, and steroidogenic cells. To estimate the intrafollicular role of endothelin-1 (ET-1) and its possible

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