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Do flavonoid intakes of postmenopausal women with breast cancer vary on very low fat diets?

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In the Women's Intervention Nutrition Study (WINS), a very low-fat eating pattern decreased breast cancer recurrence. We assessed whether the women's flavonoid intakes varied on the very low fat diet. A total of 550 randomly selected WINS participants who had been treated with conventional therapy

Associations between serum concentration of flavonoids and breast cancer risk among Chinese women

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Purpose: In vitro and in vivo studies suggested that flavonols, flavones, flavanones and flavan-3-ols have preventive effects on breast carcinogenesis. Epidemiological evidence about the associations between these flavonoid biomarkers and

Proliferative effects of flavan-3-ols and propelargonidins from rhizomes of Drynaria fortunei on MCF-7 and osteoblastic cells.

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The proliferative effects of thirty Oriental medicinal herbs on MCF-7 (estrogen-sensitive breast cancer cell line) and ROS 17/2.8 osteoblast-like cells were determined using the MTT assay. Methanol extracts from several herbs was found to show proliferative activity on the above two cell lines in

The relationships between biological activities and structure of flavan-3-ols.

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Flavan-3-ols are involved in multiple metabolic pathways that induce inhibition of cell proliferation. We studied the structure-activity relationship of gallic acid (GA) and four flavan-3-ols: epigallocatechin gallate (EGCG), epigallocatechin (EGC), catechin (C), and epicatechin (EC). We measured

A new flavan-3-ol dimer from Ficus spragueana leaves and its cytotoxic activity.

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BACKGROUND Isolation and structure elucidation of flavan-3-ol constituents from the leaves of Ficus spragueana and their cytotoxic activity. METHODS Different open silica gel column chromatographic techniques with different solvent systems were used for the separation of the constituents of the

Dietary consumption of phytochemicals and breast cancer risk in Mexican women.

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OBJECTIVE To perform an evaluation of selected phytochemicals intake and breast cancer (BC) risk in Mexican women. METHODS We conducted hospital-based case-control study. METHODS Mexico City between 1994 and 1996. METHODS A total of 141 histologically confirmed BC cases were age-matched (+/-3 years)

Association between flavonoids, flavonoid subclasses intake and breast cancer risk: a case-control study in China.

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Anti-tumor effect of dietary flavonoids has been sustained by laboratory experiments, but epidemiological studies with breast cancer risk remained inconsistent and insufficient. This study aimed to investigate the associations between total and subclasses of flavonoid and breast cancer risk among

Flavonoid intake and breast cancer risk: a case--control study in Greece.

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Flavonoids have been investigated for possible inverse associations with various chronic degenerative diseases, but there are no epidemiologic data concerning a possible association between several of the main flavonoid categories and breast cancer risk. We have applied recently published data on

Flavonoids and breast cancer risk in Italy.

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Few epidemiologic studies have investigated the potential relation between flavonoids and breast cancer risk. We have applied recently published data on the composition of foods and beverages in terms of six principal classes of flavonoids (i.e., flavanones, flavan-3-ols, flavonols, flavones,

Dietary flavonoid intake and breast cancer risk among women on Long Island.

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Flavonoids are found in a variety of foods and have anticarcinogenic properties in experimental models. Few epidemiologic studies have examined whether flavonoid intake is associated with breast cancer in humans. In this study, the authors investigated whether dietary flavonoid intake was associated

Flavonoids, flavonoid subclasses and breast cancer risk: a meta-analysis of epidemiologic studies.

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BACKGROUND Studies have suggested the chemopreventive effects of flavonoids on carcinogenesis. Yet numbers of epidemiologic studies assessing dietary flavonoids and breast cancer risk have yielded inconsistent results. The association between flavonoids, flavonoid subclasses (flavonols,

Evidence for an association of dietary flavonoid intake with breast cancer risk by estrogen receptor status is limited.

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BACKGROUND Results from preclinical studies suggest that flavonoids, which are ubiquitous in plant-based diets, lower breast cancer risk. Epidemiologic studies of flavonoid intake and breast cancer risk, however, are limited, and few investigated associations with the more aggressive estrogen

Phthalate exposure, flavonoid consumption and breast cancer risk among Mexican women.

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To evaluate if selected phthalate exposure and flavonoid intake interact on breast cancer (BC) risk. Interviews and urine samples were obtained from 233 women with histologically confirmed BC and 221 healthy controls matched by age and place of residence, from various states of northern Mexico.

Suppression of oncoprotein Her-2 and DNA damage after treatment with Flavan-3- ol vitis labrusca extract.

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Hepatocellular carcinoma and breast cancer are the most prevalent cancers in the world with high morbidity and mortality. Although there are effective drugs for treating advanced stages of liver and breast cancers, the prognosis for patients with liver cancer remains poor, and patients with breast

Phytochemistry of the mopane, Colophospermum mopane.

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The polyphenolic pool of the heartwood of the mopane, Colophospermum mopane Kirk ex J. Leonard, exhibits extreme diversity and complexity. It comprises a variety of monomeric flavonoids, e.g. flavan-3-ols, flavan-3,4-diols including the mopanols and peltogynols, flavonols, dimeric proanthocyanidins,

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