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Effects of lutein from marigold extract on immunity and growth of mammary tumors in mice.
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The effects of dietary lutein from marigold extract on the development and growth of a transplantable murine mammary tumor and on lymphocyte function were investigated. Mice were fed a diet containing 0.1% or 0.4% of lutein. In experiment 1, mice were fed the diets for 3 weeks and infused with
The influence of di-acetylation of the hydroxyl groups on the anti-tumor-proliferation activity of lutein and zeaxanthin.
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Lutein and zeaxanthin have various activities such as anti-age-related macular degeneration, anticataract, anticancer and cardiovascular diseases risk lowering, etc.; however, few studies have been reported on the role of free hydroxyl groups in the antitumor effects of lutein and zeaxanthin. The
Lutein, lycopene, and their oxidative metabolites in chemoprevention of cancer.
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Numerous epidemiological studies have demonstrated that consuming large quantities of fruits and vegetables reduces the risk for several types of human cancers. Carotenoids are abundant in fruits and vegetables and have been extensively studied as cancer preventive agents. A proposed mechanism of
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
Dietary lutein from marigold extract inhibits mammary tumor development in BALB/c mice.
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High levels of dietary lutein can inhibit mammary tumor growth in mice. However, the antitumor effect of low levels of dietary lutein on mammary tumors is unavailable. Female BALB/c mice and the WAZ-2T (-SA) mammary tumor cell line were used in two experiments. A preliminary tumor cell dose
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
Dietary Lutein Plus Zeaxanthin Intake and DICER1 rs3742330 A > G Polymorphism Relative to Colorectal Cancer Risk.
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It is unclear whether dietary lutein/zeaxanthin intake in colorectal cancer is associated with microRNA processing involved in DICER1 cleavage for messenger RNA translation. We investigated whether dietary lutein/zeaxanthin intake affects colorectal cancer risk in patients with a DICER1 rs3742330
Anti-oxidative, anti-tumor-promoting, and anti-carcinogensis activities of nitroastaxanthin and nitrolutein, the reaction products of astaxanthin and lutein with peroxynitrite.
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Astaxanthin captured peroxynitrite to form nitroastaxanthins. 15-Nitroastaxanthin was a major reaction product of astaxanthin with peroxynitrite. Here, the anti-oxidative, anti-tumor-promoting, and anti-carcinogensis activities of 15-nitroastaxanthin were investigated. In addition to astaxanthin,
Lutein Inhibits Cell Growth and Activates Apoptosis via the PI3K/AKT/mTOR Signaling Pathway in A549 Human Non-Small-Cell Lung Cancer Cells.
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Cancer, the uncontrolled growth of cells, is a major disease that threatens the worldwide population. Among all cancer types, lung cancer has the highest morbidity rate, with a survival rate of less than 5%. Various studies have focused on discovering a potent anticancer drug that will increase the
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
Effect of lutein and doxorubicin combinatorial therapy on S180 cell proliferation and tumor growth.
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OBJECTIVE
Multidrug resistance and toxicity significantly compromise the therapeutic efficacy for sarcomas. We aimed at evaluating the effect of lutein-doxorubicin (DOX) combinatorial therapy on inhibiting S180 (Sarcoma 180) cell proliferation and tumor growth.
METHODS
S180 cells in logarithmic
Dietary lutein modulates growth and survival genes in prostate cancer cells.
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Lutein is a carotenoid pigment present in fruits and vegetables that has anti-inflammatory and antitumor properties. In this study, we examined the effect of lutein on proliferation and survival-associated genes in prostate cancer (PC-3) cells. We found that in vitro culture of PC-3 cells with
Vascular endothelial growth factor (VEGF) and its receptor VEGFR-2 are highly expressed in ovarian granulosa cell tumors.
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OBJECTIVE
Ovarian granulosa cell tumors (GCTs) are hormonally active sex cord stromal tumors accounting for 3-5% of all ovarian cancers. These tumors are generally diagnosed at an early stage but there is a high risk of recurrence, associated with high mortality. Treatment of recurrent GCTs is
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
Evaluation of the effect of blackcurrant products on gut microbiota and on markers of risk for colon cancer in humans.
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The purpose of this study was to determine in healthy humans whether First Leaf (FL; composed of blackcurrant extract powder, lactoferrin and lutein) and Cassis Anthomix 30 (CAM30; blackcurrant extract powder) can positively modify the colonic microbiota by enhancing the growth of the beneficial
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