lycopene/cancro da mama

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Dietary and plasma lycopene and the risk of breast cancer.

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Lycopene is potentially effective in the prevention of breast cancer from laboratory and observational studies. Among 39,876 women initially free of cardiovascular disease and cancer, we first conducted a prospective cohort study of dietary lycopene and its food sources. Participants completed a

Selective inhibition of cell proliferation by lycopene in MCF-7 breast cancer cells in vitro: a proteomic analysis.

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Lycopene, a red pigmented carotenoid present in many fruits and vegetables such as tomatoes, has been associated with the reduced risk of breast cancer. This study sought to identify proteins modulated by lycopene during cell proliferation of the breast cancer cell line MCF-7 to gain an

Integrative review of lycopene and breast cancer.

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OBJECTIVE To perform an integrative research analysis of the literature regarding lycopene, its antioxidant capacity, and its nutritive and physiologic effects on breast cancer. METHODS Articles published from 1990-2004 using PubMed as the primary retrieval base. RESULTS Forty articles were

Effects of lycopene on the insulin-like growth factor (IGF) system in premenopausal breast cancer survivors and women at high familial breast cancer risk.

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Insulin-like growth factor-I (IGF-I) is an important growth factor associated with increased risk of premenopausal breast cancer. We conducted a randomized, placebo-controlled, double-blind, crossover trial to evaluate whether tomato-derived lycopene supplementation (30 mg/day for 2 mo) decreases

Expression profiling by whole-genome microarray hybridization reveals differential gene expression in breast cancer cell lines after lycopene exposure.

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The correlation between diet and variation in gene-expression is an important field which could be considered to approach cancer pathways comprehension. We examined the effects of lycopene on breast cancer cell lines using pangenomic arrays. Lycopene is derived predominantly from tomatoes and tomato

Modulation of gene methylation by genistein or lycopene in breast cancer cells.

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Dietary agents with chemopreventive potential, including soy-derived genistein and tomato-derived lycopene, have been shown to alter gene expression in ways that can either promote or potentially inhibit the carcinogenic processes. To begin to explore the mechanisms by which these agents may be

In vitro effects and mechanisms of lycopene in MCF-7 human breast cancer cells.

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Breast cancer adversely affects the health status of women; therefore, the prevention and treatment of breast cancer is of critical importance. Lycopene is known to possess several biological effects such as removal of free radicals, alleviation of biological oxidative injury, and inhibition of

Immunohistochemical expression of RARalpha, RARbeta, and Cx43 in breast tumor cell lines after treatment with lycopene and correlation with RT-QPCR.

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Lycopene, the major carotenoid found in tomatoes, is a potent antioxidant associated with the prevention of degenerative diseases such as breast cancer. This effect could be due to the interaction between lycopene and retinoic acid receptors as well as the stimulation of gap junction communication

Gene signature of breast cancer cell lines treated with lycopene.

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Among the micronutrients studied in relation between nutrition and cancer, lycopene appears to be a breast cancer preventive phytochemical candidate found in raw tomatoes and tomato-derived products. In order to investigate the responsiveness of breast cancer genes to lycopene and to better

Inhibitory effects of combination of lycopene and genistein on 7,12- dimethyl benz(a)anthracene-induced breast cancer in rats.

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Breast cancer is one of the most common cancers in women. Carotenoids and soy isoflavones have been postulated to have breast cancer preventive effects. We investigated the potential preventive effects of lycopene and genistein, alone and in combination, on breast cancer development in female Wistar

Lycopene acts through inhibition of IκB kinase to suppress NF-κB signaling in human prostate and breast cancer cells.

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We studied the effect of the potent dietary antioxidant lycopene on multiple points along the nuclear factor kappa B (NF-κB) signaling pathway in prostate and breast cancer cells. Lycopene significantly inhibited prostate and breast cancer cell growth at physiologically relevant concentrations of

Cytotoxic activity of poly-ɛ-caprolactone lipid-core nanocapsules loaded with lycopene-rich extract from red guava (Psidium guajava L.) on breast cancer cells

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The aims of this study were to produce poly-ɛ-caprolactone lipid-core nanocapsules containing lycopene-rich extract from red guava (LEG), to characterize those nanoparticles and to evaluate their cytotoxic effects on human breast cancer cells. Lipid-core nanocapsules containing the extract (nanoLEG)

Fractionation and Characterization of Lycopene-Oxidation Products by LC-MS/MS (ESI)+: Elucidation of the Chemopreventative Potency of Oxidized Lycopene in Breast-Cancer Cell Lines.

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Lycopene (LYC) has been correlated with the reduction of certain cancers and chronic diseases. However, the existence and biofunctionality of degraded, oxidized, and biotransformed LYC products in vivo have not been revealed. Therefore, this study aimed to screen and elucidate the potential

Lycopene and beta-carotene induce cell-cycle arrest and apoptosis in human breast cancer cell lines.

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Lycopene and beta-carotene are carotenoids widely distributed in fruits and vegetables, with potential anticancer activity. Epidemiological trials rarely provide evidence for the mechanisms of action of these compounds, and their biological effects at different times of treatment are still unclear.

Lycopene synergistically enhances quinacrine action to inhibit Wnt-TCF signaling in breast cancer cells through APC.

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We previously reported that quinacrine (QC) has anticancer activity against breast cancer cells. Here, we examine the mechanism of action of QC and its ability to inhibit Wnt-TCF signaling in two independent breast cancer cell lines. QC altered Wnt-TCF signaling components by increasing the levels

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