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NrF2/ARE and NF-κB pathway regulation may be the mechanism for lutein inhibition of human breast cancer cell.

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OBJECTIVE Though lutein can inhibit cancer cell proliferation via alleviating oxidative injury, the molecular mechanisms of lutein involvement in the NrF2/antioxidant response element (ARE) and NF-κB pathways remain poorly understood. METHODS MTT, flow cytometry, quantitative real-time PCR (qRT-PCR)

Lutein inhibits breast cancer cell growth by suppressing antioxidant and cell survival signals and induces apoptosis

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Reduced risk of breast cancer upon intake of lutein-rich food supplements creates an interest to investigate the molecular mechanism underlying the growth inhibitory potential of lutein in MCF-7 and MDA-MB-231 cells. Lutein purified from Spinacia oleracea was identified by high-performance liquid

Carotenoid Lutein Selectively Inhibits Breast Cancer Cell Growth and Potentiates the Effect of Chemotherapeutic Agents through ROS-Mediated Mechanisms.

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Increasing evidence suggests that dietary carotenoids may reduce the risk of breast cancer. However, anti-breast cancer effects of carotenoids have been controversial, albeit understudied. Here, we investigated the effects of specific carotenoids on a wide range of breast cancer cell lines, and

Lutein inhibits proliferation, invasion and migration of hypoxic breast cancer cells via downregulation of HES1.

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An intratumoral hypoxic microenvironment is frequently observed in solid tumors, including breast cancer. Lutein, a plant-derived compound and non-vitamin A carotenoid, has been demonstrated to possess multiple protective properties including anti-inflammation, anti-oxidative stress and antitumor

[Estradiol-17beta, sex steroid-binding globulin and the cellular and humoral immunity indices in young women with breast cancer].

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Blood serum levels of sex steroid-binding globulin (SSBG), free and SSBG- and albumin-binding fractions of estradiol-17 beta as well as some indexes of cellular and humoral immunity were compared in 25 young female patients with stage 1-3 breast cancer and controls. No significant difference in SSBG

Premenopausal plasma carotenoids, fluorescent oxidation products, and subsequent breast cancer risk in the nurses' health studies.

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High levels of circulating carotenoids are hypothesized to reduce breast cancer risk, potentially due to their antioxidant properties. However, little is known about the relationship between carotenoid exposure earlier in life and risk. We examined associations of premenopausal plasma carotenoids

Responsiveness of carotenoids to a high vegetable diet intervention designed to prevent breast cancer recurrence.

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Epidemiological studies suggest that a high vegetable diet may reduce risk for breast cancer and may also improve prognosis after the diagnosis of breast cancer. Circulating carotenoids may serve as a biomarker of vegetable and fruit intake, although several factors affect their bioavailability from

Carotenoids, alpha-tocopherols, and retinol in plasma and breast cancer risk in northern Sweden.

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OBJECTIVE Using a nested case-referent design we evaluated the relationship between plasma levels of six carotenoids, alpha-tocopherol, and retinol, sampled before diagnosis, and later breast cancer risk. METHODS In total, 201 cases and 290 referents were selected from three population-based cohorts

Circulating carotenoids, mammographic density, and subsequent risk of breast cancer.

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Mammographic density is one of the strongest predictors of breast cancer risk. Recently, it has been suggested that reactive oxygen species may influence breast cancer risk through its influence on mammographic density. In the current study, we addressed this hypothesis and also assessed if the

Plasma carotenoids, retinol, and tocopherols and risk of breast cancer.

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The roles of carotenoids, retinol, and tocopherols in breast cancer etiology have been inconclusive. The authors prospectively assessed the relations between plasma alpha-carotene, beta-carotene, beta-cryptoxanthin, lycopene, lutein/zeaxanthin, retinol, alpha-tocopherol, and gamma-tocopherol and

Dietary carotenoids and risk of breast cancer in Chinese women.

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There has been considerable interest in the role of carotenoids in the chemoprevention of cancer. However, the protective effect of carotenoids on breast cancer has been inconclusive. To investigate whether intake of lycopene, alpha-carotene, beta-carotene, beta-cryptoxanthin, and lutein/zeaxanthin

A study on serum carotenoid levels in breast cancer patients of Indian women in Chennai (Madras), India.

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Two-hundred and six breast cancer cases were histologically confirmed breast cancer diagnoses at the Cancer Institute in Chennai (Madras), India. One-hundred and fifty hospital controls were patients who had cancer at any site other than breast and gynecological organs, and 61 healthy controls were

Plasma carotenoid- and retinol-weighted multi-SNP scores and risk of breast cancer in the National Cancer Institute Breast and Prostate Cancer Cohort Consortium.

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BACKGROUND Dietary and circulating carotenoids have been inversely associated with breast cancer risk, but observed associations may be due to confounding. Single-nucleotide polymorphisms (SNPs) in β-carotene 15,15'-monooxygenase 1 (BCMO1), a gene encoding the enzyme involved in the first step of

Prospective study of carotenoids, tocopherols, and retinoid concentrations and the risk of breast cancer.

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Previous prospective studies have raised the possibility that the antioxidantproperties of carotenoids and vitamin E (alpha-tocopherol) and the role of vitamin A (retinol) in cellular differentiation may be associated with a reduced risk of subsequent breast cancer. To investigate the association

Ethanolic extracts of black cohosh (Actaea racemosa) inhibit growth and oestradiol synthesis from oestrone sulphate in breast cancer cells.

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Extracts of black cohosh (Actaea racemosa) and soy are used as 'natural' alternatives to conventional hormone replacement therapy (HRT) and there is some evidence that soy may protect against breast cancer by inhibiting the production of active oestrogens. This study compares the action of ethanolic

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